Method, attachment arm and device for attaching a carrier of an agricultural aid to an elongated structure

Abstract

The invention relates to a method for attaching a carrier of an agricultural aid, such as a pest control carrier, to an elongated structure, such as a wire, a cable, a rope or an elongated plant structure The invention further relates to an attachment arm for attaching the carrier of the agricultural aid to an elongated structure. The invention also relates to a device for attaching the carrier of the agricultural aid to an elongated structure. The invention further relates to the use of such a device for attaching the carrier of the agricultural aid to an elongated structure.

Description

[0001] Method, attachment arm and device for attaching a carrier of an agricultural aid to an elongated structure

[0002] Back ground

[0003] The invention relates to a method for attaching a carrier of an agricultural aid, such as a pest control carrier, to an elongated structure, such as a wire, a cable, a rope or an elongated plant structure. The invention further relates to an attachment arm for attaching the carrier of the agricultural aid to an elongated structure. The invention also relates to a device for attaching the carrier of the agricultural aid to an elongated structure. The invention further relates to the use of such a device for attaching the carrier of the agricultural aid to an elongated structure.

[0004] In agriculture, including horticulture, the use of materials supporting plant health and other aids is common, for example for the protection of plants against pests and diseases. For agricultural plants, in particular crops, pest control is of importance for the yield and / or quality of the plant as a whole or parts thereof as an agricultural product. Pest control for plants, in particular crops, is of importance for example in the field of vegetable and / or fruit and / or ornamentals, including flowers, growers.

[0005] Agricultural pests for example can be controlled by using chemical pesticides and / or by the use of a biocontrol agent (BCA), such as natural enemies, such as predatory insects and / or predatory mites. BCA’s may be provided to plants to biologically control pests. The chemical pesticides and / or bioagents can be provided to a plant by sprinkling and / or by using a pest control carrier. Many pest control carriers comprise a carrier element for carrying a pest control agent, such as a chemical pesticide or a BCA, and an attachment zone for attachment to a plant or a different elongated structure used in the cropping environment, such as a cord or a string. Pest control carriers currently used are for example the EN-Strip product of Koppert (Berkel en Rodenrijs, Netherlands) and similar products on which host eggs parasitized by parasitic wasps are immobilized. Further examples of pest control carriers are sachets containing predatory mites, such as the Ulti-mite range of products of Koppert (Berkel en Rodenrijs, Netherlands) and similar products. In addition, sticky traps, such as the Horiver range of products of Koppert (Berkel en Rodenrijs, Netherlands), which combine attraction of pest individuals with a surface containing an adhesive for capturing attracted pest individuals, and similar products can also be considered as pest control carriers.

[0006] Currently, pest control carriers are manually attached to a plant. Hence, attaching or placing a pest control carrier to a plant is labour-intensive.

[0007] Summary of the invention

[0008] The present invention aims to provide and improvement to the abovementioned drawback. Thereto a first aspect of the invention is a method for attaching a carrier for an agricultural aid, in particular a pest control carrier, to an elongated structure, in particular to an elongated plant structure, such as a branch, stem or stalk, comprising the steps of: a) providing a carrier for an agricultural aid having a body comprising a carrying element, for carrying the agricultural aid, and an attachment zone for attachment to the elongated structure, wherein said attachment zone comprises a receiving opening for receiving the elongated structure, and a slot in the body of the attachment zone connecting the receiving opening with the exterior of the attachment zone, wherein at least part of the attachment zone is deformable under a force for allowing at least the slot to deform between an initial configuration and a number of deformed configurations, wherein the configuration of the slot in the initial configuration differs from the configuration in the number of deformed configurations, preferably such that the size of the slot is smaller in the initial configuration than in the number of deformed configurations, b) providing a number of seizing elements suitable for retaining at least part of the body of the carrier and retaining the body of the carrier with the number of seizing elements, c) providing a number of positioning elements suitable for retaining at least part of the attachment zone of the carrier and retaining the attachment zone with the number of positioning elements, d) moving the number of positioning elements, the number of seizing elements and the carrier retained thereby towards an elongated structure to which the carrier is to be attached, in particular such that the slot is in position for passaging the elongated structure through the slot from the exterior of the attachment zone to the receiving opening, e) bringing the deformable attachment zone from the initial configuration to a deformed configuration by applying a force, such that at least part of the attachment zone of the carrier, retained by the number of seizing elements and the number of positioning elements, deforms from the initial configuration to a deformed configuration, wherein the configuration of the deformed slot in the deformed configuration allows the passaging of at least part of the elongated structure through the slot into the receiving opening, f) passaging at least part of the elongated structure through the deformed slot into the receiving opening of the attachment zone of the carrier, g) bringing the deformed attachment zone from the deformed configuration to a closed configuration, wherein in the closed configuration the configuration of the slot blocks the passage of the elongated structure through the slot from the receiving opening to the exterior of the attachment zone, thereby attaching the carrier for the agricultural aid to the elongated structure, wherein preferably the closed configuration is the initial configuration.

[0009] According to a second aspect, the invention relates to a mechanical attachment arm of claim 26 suitable for attaching a carrier of an agricultural aid to an elongated structure, such as a cable, a wire, a rope or an elongated plant structure, in particular a branch, stem or stalk.

[0010] A further aspect of the invention relates to a device of claim 38 for attachment of a carrier of an agricultural aid to an elongated structure.

[0011] Yet a further aspect of the invention relates to the use of the device of the invention for attaching a carrier of an agricultural aid to an elongated structure, in particular an elongated plant structure.

[0012] A still further aspect of the invention relates to the use of the attachment arm according to the invention in the production of a device according to any the invention. Detailed description of the invention

[0013] The method of the invention is for attaching a carrier of an agricultural aid to an elongated structure. Attachment of a carrier of an agricultural aid to an elongated structure may be referred to as hanging, suspension of or mounting of thecarrier to an elongated structure. As plants have many elongated structures, such as branches, stems and / or stalks and other elongated elements, such as sticks and wires, are frequently used in certain plant cultivation systems, such a method is useful for introducing / providing carriers of agricultural aids to a plant cultivation system, such as a horticulture production system, and maintaining them therein. An elongated structure should be understood to mean structure or a body having an elongated shape. The skilled person will know and understand the meaning of an elongated structure or body. According to certain embodiments an elongated structure or body is a structure or body of which the dimensions in one direction significantly exceeds the dimensions in the other two dimensions for example by a factor of at least 2, such as a factor of at least 3, 4, 5, 6, 7, 8, 9 or at least 10.

[0014] Preferably the elongated structure is an elongated plant structure, such as selected from a branch, stem or stalk. Alternatively, the elongated structure may be a wire or a strand, a rope or a cord. The elongated structure may for example be a substantially vertical structure, such as a vertical structure, along which a plant can grow, such as a vertical wire, strand or cord. Alternatively, the elongated structure may have an alternative orientation, such as a substantially horizontal orientation, for example a horizontal orientation or any orientation between horizontal and vertical.

[0015] In the method a carrier for an agricultural aid is provided. Reference to “a carrier for an agricultural aid” may be simplified with the term “carrier”. Within the context of the present invention the term agriculture should be understood to include horticulture. In agriculture, including horticulture, many different materials are provided as aids to support plant health. Agricultural aids, such as (biological) pest control agents, (supplementary) food sources for biological pest control agents, semiochemicals, are frequently provided on or in a carrier. In addition, electronic devices, like sensors, useful in agriculture, may also be considered to be agricultural aids. It may also be beneficial to attach such electronic devices to an elongated structure, such a wire, a cable or an elongated plant structure, in particular a branch, stem or stalk, present in a cropping system, The carrier for the agricultural aid, that can be attached to the elongated structure with the method of the invention, has a body comprising a carrying element for the agricultural aid. The agricultural aid most preferably is a pest control agent, such as a chemical pesticide, a biocontrol agent (BCA) or an adhesive for capturing and / or immobilizing pest individuals. Thus, for preferred embodiments the term “agricultural aid" may be substituted for "pest control agent” and the term “carrier for an agricultural aid” may be substituted for “pest control carrier”. The carrier for the agricultural aid in addition comprises an attachment zone for attachment to an elongated structure, in particular an elongated plant structure. The term 'comprise' and its conjugations as used in this patent document should be understood to mean not only 'comprise', but to also include in certain embodiments the expressions 'contain', 'substantially contain', 'formed by' and conjugations thereof.

[0016] The carrier element may be any element or structure suitable for carrying and / or holding the agricultural aid, in particular a pest control agent. Suitable carrier elements may for example comprise a surface to which an agricultural aid, such as a pest control agent is attached, e.g. by adhesive forces. This may be suitable for carrying immobile life stages of biocontrol agents, such as from parasitic wasps, for example mummies or eggs of host organisms parasitized with larvae and / or pupae of parasitic wasps. Parasitic wasps may for example be selected from a genus selected from Encarsia or Eretmocerus. Alternatively, according to some embodiments a pest control agent may be selected from an adhesive surface, such as used in known sticky traps. The pest control carrier for such embodiments may be selected from a surface suitable to carrying an adhesive suitable for trapping pest insects.

[0017] According to other embodiments, the carrier element may comprise a number of compartments suitable for holding a biocontrol agent, such as selected from predatory mites or predatory insects, such as selected from Coccinellidae, Staphylinidae, Cecidomyiidae, Syrphidae, Anthocoridae, Lygaidae, Miridae, Nabidae, Pentatomidae, Ampulicidae, Aphelenidae, Bethylidae, Braconidae, Diapriidae, Encyrtidae, Eulophidae, Figitidae, Mymaridae, Platygastridae, Pteromalidae, Scelionidae, Trichogrammatidae, Chrysopidae, Aeolothripidae, Phlaeothripidae, Thripidae, Phytoseiidae, Ascidae, Laelapidae, Macrochelidae, Parasitidae, Tydeidae, Cheyletidae, Cunaxidae, Erythraeidae, Stigmaeidae, Anystidae. When the carrier element comprises a number of compartments the pest control agent preferably is selected from a biocontrol agent, more preferably a biocontrol agent selected from parasitic wasps, predatory insects or predatory mites, preferably Phytoseiid predatory mites.

[0018] Within the context of the present invention the term “a number of” should be construed as meaning “one or more” or “at least one”. These terms therefore should be considered to have a synonymous meaning and are interchangeable. A number of and its synonymous terms according to certain embodiments, may refer to a plurality, such as, when appropriate, at least 2, 3, 4, 5, 6, 7, 8, 9 or 10, such as any number between 2-100. It should be understood however, that “a number of” and its synonymous terms according to certain embodiments may refer to “one”.

[0019] It is most preferred that the agricultural aid is a pest control agent, such as a chemical pesticide, a biocontrol agent (BCA) or an adhesive for capturing and / or immobilizing pest individuals. Many aspects of the invention in this description of the invention may be discussed with reference to a carrier for a pest control agent. It should be understood, however, that when in a certain context of the discussion relating to attaching a biological control carrier to an elongated structure, extrapolation to more general carriers of agricultural aids would be possible, such a more general implementation of the invention is envisaged.

[0020] The body of the carrier for the agricultural aid apart from the carrier element further comprises an attachment zone for attachment to an elongated body or structure. The carrier element and the attachment zone may be on a single element of the body, or they may be on separate, connected, elements. Thus, the body of the carrier for the agricultural aid may constitute a single element, or it may be an assembly of different parts connected to form the (combined) body.

[0021] The body of the attachment zone of the carrier for the agricultural aid preferably comprises an at least substantially flat plane, preferably provided in a substantially flat plate. It comprises a receiving opening, preferably in the at least substantially flat plane, preferably provided in a substantially flat plate. The receiving opening is suitable for receiving an elongated structure. Within the context of the present invention the term “at least substantially” preferably is “substantially”. For receiving the elongated structure, the receiving opening has an interior space suitable for receiving the elongated structure. The attachment zone further comprises a slot in the body of the attachment zone connecting the receiving opening, in particular the interior space of the receiving opening, with the exterior of the attachment zone. The slot may be a slit or an incision in the body of the attachment zone functioning as a passageway. The “slot”, preferably is a “slit” or an “incision” according to preferred embodiments. In addition, at least part of the attachment zone is deformable, preferably plastically or elastically deformable, under a force for allowing at least the slot to deform between an initial configuration, when a force is not applied, and a number of deformed configurations, wherein the configuration of the slot in the initial configuration differs from the configuration in the number of deformed configurations, preferably such that the size of the slot is smaller in the initial configuration than in the number of deformed configurations. The skilled person will understand that a flexibly bending body can assume more than one deformed configuration and that in fact a continuum of deformed configurations can exist between two reference configurations while deforming the flexible body. Thus the number of deformed configurations can be a plurality of deformed configurations.

[0022] According to certain embodiments, the configuration of the slot may be described by the size and / or diameter and / or shape of the slot. Hence, the size and / or diameter and / or shape of the slot in the initial configuration differs from the size and / or diameter and / or shape in the number of deformed configurations. Preferably, the size and / or diameter of the slot is smaller in the initial configuration than in the number of deformed configurations. The deformation preferably is elastic deformation. The skilled person will understand what should be understood with elastic deformation, in particular that elastic deformation is a reversible change in the shape or size of a material in response to an applied force, where the material at least partially returns to its original shape once the force is removed. It will be understood that in the deformation of the attachment zone, the attachment zone and the slot may take different deformed configurations and / or positions. Thus, a plurality of deformed configurations of the attachment zone and deformed configurations of the slot will exist. Preferably, the size of the slot in the initial configuration is smaller than the size in the number of deformed configurations. It is also preferred that the size of the slot in the closed configuration is smaller than the size in the number of deformed configurations. The size of the slot in the initial configuration may also differ from that in the closed configuration. In the closed configuration and preferably in the initial configuration the elongated structure preferably cannot pass through the slot preferably because the slot does not provide sufficient space or volume for the elongated structure to pass through. In particular, when in the initial configuration, and optionally in a number of deformed configurations, the elongated structure cannot pass through the slot. Hence, the elongated structure cannot enter (the interior space of) the receiving opening of the attachment zone from the exterior of the attachment zone. At the same time, in the closed configuration, and optionally in a number of deformed configurations, the elongated structure, when received in (the interior space of) the receiving opening of the attachment zone, cannot leave (the interior space of) the receiving opening of the attachment zone. The elongated structure may be moved through the deformed slot into the receiving opening by moving or displacing the attachment zone relative to the elongated structure, such that the elongated structure is moved from the exterior of the attachment zone into the receiving opening.

[0023] The slot extends between the receiving opening and the exterior of the body of the attachment zone. The slot has two opposing side walls extending between the receiving opening and the exterior of the body of the attachment zone. It should be recognized that when the body of the attachment zone at the position of the slot has a flat structure, such as an essentially flat plane, which is most preferred, the surface of the side walls will be relatively small. For such embodiments the opposing side walls may be considered to be side ridges. Thus, most preferably the side walls are side ridges. In the initial configuration the opposite side walls, or side edges, of the slot are close to each other such that an elongated structure, to which the carrier for the agricultural aid is to be attached, cannot easily pass through the slot and preferably cannot pass, in particular when the slot of the attachment zone would be moved towards the elongated structure in a direction having a directional component perpendicular to the axis of the elongated structure. For clarity, in case it would be considered that the elongated structure has multiple axes, the axis of consideration is the longest axis of the elongated structure. For close positioning in the initial position, the opposing side walls, or side ridges, of the slot preferably are in an adjacent position and more preferably are in an adjoining position.

[0024] According to certain embodiments, in the closed configuration the two opposing side walls, or side ridges, may be parallel to each other and / or be aligned. In a number of deformed configurations, the two opposing side walls, or side ridges, may be non-parallel and / or unaligned. In addition, in the number of deformed configurations the opposite side walls, or side ridges, are preferably at a distance from each other such that an elongated structure, to which the carrier for the agricultural aid is to be attached, can pass through the slot, in particular when the elongated structure relative to the slot, most preferably relative to the direction of the ridges, is moved in a direction having a directional component perpendicular to the axis of the elongated structure. For clarity, in case it would be considered that the elongated structure has multiple axes, the axis of consideration is the longest axis of the elongated structure. According to certain embodiments the distance between the opposing side edges thus is smaller in the locked state, and preferably also in the initial configuration, than in the number of deformed configurations. .

[0025] The receiving opening of the attachment zone may be deformable between the initial configuration and the number of deformed configurations, preferably wherein in the initial configuration the receiving opening has a closed configuration and in the number of deformed configurations the opening has an open configuration. More preferably, in the initial configuration and in the closed configuration the receiving opening has a closed shape. The deformation of the receiving opening, in particular the transition between an open shape and a closed shape, allows to relatively easy passage of an elongated structure through the opening of the attachment zone while providing proper attachment properties. The receiving opening of the attachment zone may have a curved shape, such as a circle or an oval, a star shape, a polygon shape, and the like. The receiving opening of the attachment zone may be larger in the number of deformed configurations than in the initial configuration and / or the closed configuration.

[0026] Optionally, the slot separates the attachment zone in a hooked portion and a remaining portion. Preferably, at least the hooked portion of the attachment zone is deformable under a force between the initial configuration and the number of deformed configurations. In the initial configuration, the hooked portion and the remaining portion may substantially be in plane. Preferably, in the initial configuration the hooked portion closes a circumferential edge of the receiving opening of the attachment zone of a carrier. In the number of deformed configurations, the hooked portion may be out of plane of the remaining portion. Preferably, in the number of deformed configurations the hooked portion opens a circumferential edge portion of the receiving opening of the attachment zone of a carrier.

[0027] In the method a number of seizing elements suitable for retaining at least part of the body of the carrier are provided and the body of the carrier is retained with the number of seizing elements. The number of seizing elements are suitable for retaining at least part of the body of the carrier. The term retain should be construed to include to hold in position. The seizing elements can thus be described as a holding elements. The number of seizing elements may be provided on a seizing structure. The seizing structure may be described as a holding structure. A seizing zone, where a number of seizing elements is located, on the holding structure may be described as a holding zone. Further, in the method a number of positioning elements are provided. The number of positioning elements are suitable for retaining at least part of the attachment zone of the carrier for the agricultural aid. The number of positioning elements may be provided on a positioning structure. The number of seizing elements and the number of positioning elements can be selected from any means suitable for retaining the surfaces of the carrier for the agricultural aid, such as preferably suction cups for retaining the carrier by means of suction. But the skilled person will understand, that the use of grabbing an / or clamping means is also possible. The part of the body retained by the number of seizing elements is preferably located at a distance from and / or adjacent to a part of the attachment zone retained by the number of positioning elements. Optionally, the part of the body retained by the number of seizing elements forms part of the attachment zone of the carrier. In that case, the number of seizing elements and the number of positioning elements may retain the attachment zone at different sides relative to the receiving opening. Preferably, the part of the body retained by the number of seizing elements and a part of the attachment zone retained by the number of positioning elements are preferably distant portions of the carrier. Preferably, the number of seizing elements and / or the number of positioning elements are configured to support a carrier upon attachment to an elongated structure.

[0028] The method comprises the step of moving the number of positioning elements, the number of seizing elements and the carrier retained thereby towards an elongated structure to which the carrier is to be attached, in particular such that the slot is in position for passaging the elongated structure through the slot from the exterior of the attachment zone to the receiving opening. In particular, the slot is in position for passaging the elongated structure through the slot when the slot is provided in a direction differing from the longitudinal direction of the elongated structure. Preferably, the slot is in position for passaging the elongated structure through the slot when the slot and / or the receiving opening are under an angle with respect to the longitudinal direction of the elongated structure.

[0029] The attachment zone of the carrier is deformable from the initial configuration to a deformed configuration by applying a force. The force may for example be a pushing force and / or a pulling force. The force may be exerted to a part of the carrier retained by the number of positioning elements and the number of retaining elements. In particular, the force is at least applied to a part of the attachment zone such that the configuration of the deformed slot in the deformed configuration allows the passaging of at least part of the elongated structure through the slot into the receiving opening.

[0030] The deformed attachment zone, in particular the deformed slot, is brought to a closed configuration. After step g), in the closed configuration, the elongated structure is provided in the receiving opening. The closed configuration may be the initial configuration. It is, however, also possible that the closed configuration differs from the initial configuration. In the closed configuration, the configuration of the slot is such that it blocks the passage of the elongated structure through the slot from the receiving opening to the exterior of the attachment zone in a direction having a directional component perpendicular to the longest axis of the elongated structure. In the closed configuration the elongated structure is locked in the receiving opening, thus attaching the carrier to the elongated structure. Optionally, the deformed attachment zone, in particular the slot, is actively converted from a deformed configuration to a closed configuration. This may for example be done by applying a force or a load. The force may for example be a pushing force and / or a pulling force. The force may be exerted to a part of the carrier retained by the number of positioning elements and / or the number of seizing elements.

[0031] Alternatively, the deformed attachment zone, in particular the deformed slot, may passively be converted from a deformed configuration to a closed configuration. This is in particular the case when the carrier, in particular at least the attachment zone, is made from elastic material. For these purposes the carboard used in the attachment card of pest control carriers such as the Ultimite and En-Strip products from Koppert (Berkel en Rodenrijs, NL) is sufficiently elastic.

[0032] The method is preferably executed as an automated attachment of a carrier to an elongated structure. In particular, at least part of the step b) to step g) are automated steps, more in particular at least step d) to step g) are automated steps. Optionally, steps a) to g) are sequential steps. Alternatively, step e) may be performed prior to step d) and / or step c) may be performed prior to step b).

[0033] Preferably, the body of the carrier comprises a centre part, preferably having an essentially flat plane, and the attachment zone in the initial configuration comprises an essentially flat plane where the receiving opening is located, wherein in the initial configuration, the plane of the attachment zone is substantially in plane with at least part of the centre part of the body of the carrier. In the initial configuration, the attachment zone of a carrier and / or the body of a carrier may be substantially flat. Optionally, in the closed configuration, the attachment zone of the carrier and / or the body of the carrier may be substantially flat. Optionally, in the initial configuration, the number of seizing elements and the number of positioning elements are at least partially aligned. Optionally, the number of seizing elements and / or the number of positioning elements are configured to (temporarily) maintain the attachment zone in the initial configuration. This configuration of a carrier contributes to a firm fixation to an elongated structure once attached. Furthermore, it contributes to a relatively easy way for retaining a carrier by a number of seizing elements and / or a number of positioning elements.

[0034] Preferably, in at least one deformed configuration, in particular in a number of deformed configurations, at least part of the attachment zone is at least partially out of plane of the body of the carrier. In particular, the body of the carrier comprises a centre part, preferably having an essentially flat plane, and the attachment zone in a number of deformed configurations comprises an irregular or deformed plane, wherein in at least one deformed configuration, the plane of the attachment zone is substantially out of plane of at least part of the centre part of the body of the carrier. In a number of deformed configurations, the attachment zone of a carrier is deformed relative to the initial configuration. Optionally, in a number of deformed configurations the attachment zone and / or the body of a carrier may be at least partially curved or folded. In particular, the slot of the attachment zone allows the attachment zone to deform, such as to curve or to fold. Preferably, the size of the slot at least at the exterior of the attachment zone is larger in the number of deformed configurations than in the initial configuration. This configuration of a carrier allows an easier passage of an elongated structure through the slot of the attachment zone. In particular, it simplifies the passage of an elongated structure through the slot towards the receiving opening of the attachment zone. It will be clear that in connection to this, reference is made to a movement of the elongated structure into the receiving opening having a direction with a directional component perpendicular to the longest axis of the elongated structure. Optionally, in a number of deformed configurations, the number of retaining elements and the number of positioning elements are at least partially unaligned. Optionally, the number of retaining elements and / or the number of positioning elements are configured to (temporarily) maintain the attachment zone in the number of deformed configurations.

[0035] Preferably, in step e) the attachment zone is transitioned from the initial configuration to a deformed configuration by pushing under a force at least part of the attachment zone to a part of the elongated structure to which the carrier is to be attached, such that the deformable attachment zone deforms from the initial configuration to a deformed configuration by applying said pushing force, wherein preferably at least during applying the pushing force the number of seizing elements and / or the number of positioning elements are positioned under an angle with respect to the elongated structure to which the carrier is to be attached, and wherein the angle is preferably smaller than 90 degrees. In particular, the number of retaining elements and / or the number of positioning elements are provided under an angle with respect to the longitudinal direction of the elongated structure to which the carrier is to be attached. Instead of pushing, the attachment zone may be attached to an elongated structure by sliding, shoving, angling down, and the like. In particular, by attaching the deformed slot on the elongated structure to which the carrier is to be attached. Optionally, during applying the pushing force the attachment zone and / or the slot is provided under an angle with respect to the elongated structure, in particular with respect to the longitudinal direction of the elongated structure, to which the carrier is to be attached, and wherein the angle is preferably smaller than 90 degrees. Optionally, during steps e) and f) the number of retaining elements and / or the number of positioning elements are provided under an angle with respect to elongated structure to which the carrier is to be attached. In this embodiment, step e) and step f) are preferably simultaneously performed. This embodiment allows for an efficient and relatively simple way of attaching a carrier to an elongated structure.

[0036] Preferably, at least during step e) to step g) a number of seizing elements and a number of positioning elements retain a carrier on the same side of the carrier, in particular on the same frontal side of the carrier. In this embodiment, the number of seizing elements and the number of positioning elements are preferably suction cups for retaining the carrier by means of suction. This embodiment contributes to a relatively easy way of retaining the carrier for attaching a carrier to an elongated structure.

[0037] Preferably, during or after step f) and / or during or after step g) the number of seizing elements and / or the number of positioning elements are substantially perpendicular to a longitudinal direction of an elongated structure to which the carrier is attached. In particular, the number of retaining elements and / or the number of positioning elements extend in a substantially perpendicular direction with respect to the elongated structure to which the carrier is attached during or after step f) and / or during or after step g). Consequently, at least part of the attachment zone of the carrier retained by the number of seizing elements and the number of positioning elements is provided substantially perpendicular to the elongated structure to which the carrier is attached. Preferably, the receiving opening of the attachment zone of the carrier is at least partially located between the number of seizing elements and the number of positioning elements. Hence, during or after step f) and / or step g), the receiving opening of the attachment zone is provided such that at least part of the elongated structure is provided between the number of seizing elements and / or the number of positioning elements, and preferably such that at least part of the elongated structure is received in the receiving opening of the attachment zone. This embodiment contributes to an efficient way of attaching the carrier to an elongated structure.

[0038] Preferably, in step e) and / or step g) the attachment zone is transitioned from the initial configuration to a number of deformed configurations by displacement, in particular rotation, of the number of seizing elements and the number of positioning elements, with respect to each other. Preferably, during step f) the number of retaining elements and the number of positioning elements are displaced, in particular rotated, with respect to each other. In particular, in step e) and / or step g) the number of positioning elements displace, in particular rotate, with respect to the number of retaining elements. During step e) and / or step g) the carrier is retained by both the number of retaining elements and the number of positioning elements. Hence, displacement of the number of retaining elements and the number of positioning elements with respect to each other provides a force for deformation of the attachment zone. In step e) the displacement of the number of retaining elements and the number of positioning elements provides a deformation of the attachment zone from the initial configuration to a number of deformed configurations. In step g) the displacement of the number of retaining elements and the number of positioning elements provides a deformation of the attachment zone from a number of states to the closed configuration. If during step f) the number of retaining elements and the number of positioning elements are displaced, in particular rotated, with respect to each other, the attachment zone is provided in a deformed configuration allowing an easier passaging of an elongated structure through the deformed slot into the receiving opening of attachment zone of the carrier. In the number of deformed configurations, the receiving opening of the attachment zone has preferably an open shape which further simplifies the attachment of the carrier to an elongated structure.

[0039] Preferably, a number of positioning elements have a receiving space, such as a groove, for receiving at least a part of an attachment zone, in particular at least part of the deformable part of the attachment zone, of a carrier and / or wherein a number of retaining elements have a receiving space, such as a groove, for receiving at least part of the body of the carrier. Optionally, the receiving space has a tapered or converging shape. Preferably, the receiving space comprises an open end for receiving the carrier and a closed end opposing the open end for retaining the carrier. The receiving space tapers or converges from the open end to the closed end. A tapered or converging shape simplifies both receiving a carrier while providing sufficient retaining properties.

[0040] The number of positioning elements preferably comprise a first leg having a body and a second leg having a body substantially parallel to the first leg, and a connecting bar in between positioned in the same plane, wherein the area spanned between the first and second leg and the connecting bar can receive at least part of the receiving opening of the attachment zone, and wherein connected grooves are provided in the first leg, the second leg and the connecting bar, wherein further the groove in the first leg crosses the body of the first leg. The area spanned between the first and second leg allows the passaging of an elongated structure between the first leg and the second leg. Preferably, when a carrier is retained by the number of positioning elements, the slot is free from contact with the first leg, the second leg and the connecting bar. Optionally, the slot is located at the opposite side of the connecting bar of the area spanned between the first and second leg and the connecting bar. Upon attachment of the carrier, at least part of the attachment zone which at least partially overlaps with the area spanned between the first and second leg will deform from the initial configuration to a number of deformed configurations. Thereafter or simultaneously, the elongated structure can pass through the slot and / or be received in the receiving opening of the attachment zone of the carrier and be brought in the area spanned between the first and second leg and the connecting bar. The connected grooves provided in the first leg, the second leg and the connecting bar are preferably configured for retaining the carrier. More preferably, the connected grooves are configured for retaining the carrier at distant portions, in particular at different sides of the receiving opening.

[0041] The first leg may be movable, preferably pivotable, relative to the connecting bar. Preferably, the first leg and the connecting bar are connected at a pivot point. This embodiment contributes to a simplified attachment of a carrier to an elongated structure. In particular, by simplifying retaining and / or releasing the carrier by the number of positioning elements. Preferably, in step e) the number of retaining elements and / or the number of positioning elements are displaced, in particular rotated, with respect to the elongated structure to which the carrier is to be attached while at least part of the attachment zone of the carrier retained by the number of retaining elements and the number of positioning elements is in a deformed configuration, wherein in said deformed configuration passaging of the elongated structure through the deformed slot to the receiving opening is possible. Displacement of the number of retaining elements and / or the number of positioning elements relative to the elongated structure may allow the slot and / or the receiving opening to deform for allowing the elongated structure to relatively easily pass through the deformed slot and be received in the receiving opening.

[0042] Preferably, in step g) the number of retaining elements and / or the number of positioning elements is displaced, in particular rotated, with respect to the elongated structure to which the carrier is to be attached, while at least part of the attachment zone of the carrier retained by the number of retaining elements and / or the number of positioning elements deforms from the deformed configuration to the closed configuration. Displacement of the number of retaining elements and / or the number of positioning elements relative to the elongated structure may allow the slot and / or the receiving opening to deform for blocking the elongated structure to pass through the deformed slot.

[0043] Preferably, the number of retaining elements and the number of positioning elements are displaceable relative to each other between a number of unaligned positions, preferably 1 or 2 unaligned positions, more preferably a single unaligned position and a number of aligned positions, preferably a single aligned position. The number of retaining elements and the number of positioning elements are preferably displaced relative to each other from between a number of unaligned positions to an aligned configuration prior to or during step b) or prior to or during step c). In an unaligned position, either a number of positioning elements or a number of retaining elements is configured to retain a part of the carrier. Preferably, in an aligned position, the carrier is retained by both a number of retaining elements and a number of positioning elements. Preferably, a number of retaining elements are displaceable relative to a number of positioning elements between a number of unaligned positions and a number of aligned positions. This embodiment provides a relatively easy way for retaining and / or releasing the carrier, in particular automatic retaining and / or releasing, by both the number of retaining elements and the number of positioning elements. Displacement of the number of positioning elements and the number of retaining elements relative to each other from an aligned position to an unaligned position provides a gradual attachment of the carrier to the elongated structure. Optionally, step e) to step g) are performed in an aligned position of the number of retaining elements and the number of positioning elements. Providing an aligned position of the number of retaining elements and the number of positioning elements during step e) to step g) provides or contributes to a stable attachment of a carrier to a plant.

[0044] The carrier may first be retained by the number of retaining elements in an unaligned position and after that the retaining elements and positioning elements are displaced from the unaligned position, in which the carrier is retained, to an aligned position, while during the aligning displacement the attachment zone is retained by the number of positioning elements, wherein the aligning displacement is performed prior to or during step b) and / or prior to or during step c).

[0045] For example, if step b) is performed prior to step c), a number of retaining elements first retain at least part of the body of the carrier, wherein a number of positioning elements and a number of retaining elements are provided in an unaligned position. Thereafter, a number of positioning elements and a number of retaining elements mutually displace such that a number of positioning elements and a number of retaining elements are in an aligned position. Hence, a number of positioning elements are configured to retain the attachment zone of the carrier. In this case, the number of retaining elements provide a number of positioning elements with the carrier already retained by the number of retaining elements, in particular such that a number of positioning elements are capable to retain or receive at least part of the attachment zone of the at least one carrier already retained by the number of retaining elements.

[0046] Alternatively, if step c) is performed prior to step b), a number of positioning elements retains an attachment zone of a carrier, wherein a positioning elements and a number of retaining elements are provided in an unaligned position. Thereafter, a number of positioning elements and a number of retaining elements mutually displace such that a number of positioning elements and a number of retaining elements are in an aligned position. Hence, a number of retaining element are configured to retain at least part of the body of the carrier already retained by the number of positioning elements. In this case, a number of positioning elements provide a number of retaining elements with the carrier already retained by the number of positioning elements, in particular such that a number of retaining elements are capable to retain or receive at least part of the body of the at least one carrier already retained by the number of positioning elements.

[0047] The method preferably comprises step h) of providing connecting elements for connecting parts of the body of the attachment zone and locking the attachment zone in a closed configuration with the connecting elements, wherein step h) is performed after step g). Optionally, the connecting elements are configured to connect the attachment zone to at least an adjacent part of the body of the carrier. The connecting elements may for example be staples, tie wraps, an adhesive, and the like. Providing connecting elements provides a more secure fixation of the carrier to an elongated structure.

[0048] The method preferably comprises step i) of releasing the body of the carrier from the number of retaining elements and releasing the attachment zone from the number of positioning elements and moving the number of retaining element and the number of positioning elements in a direction away from the elongated structure after the carrier is attached to the elongated structure Step i) is preferably performed after step g) and / or after step h) if applied. After step i), the number of retaining elements and the number of positioning elements may be brought back in a starting position, in particular such that the at least part of the method can be performed again at least starting from step b). Optionally, first the attachment zone is released from the number of positioning elements and thereafter the body of the carrier is released from the number of retaining elements. Alternatively, first the body of the carrier is released from the number of retaining elements and thereafter the attachment zone is released from the number of positioning elements.

[0049] The method preferably comprises an unalignment step, wherein during step i) the number of retaining elements and the number of positioning elements displace relative to each other from an aligned position to an unaligned position and wherein during the unalignment step the attachment zone is released from the number of positioning elements retaining it. Step i) is preferably performed during or after step g). Preferably, a number of retaining elements displace with respect to a number of positioning elements, more preferably the number of retaining elements displace in a direction away from the elongated structure to which the carrier is attached. This embodiment contributes to a gradual attachment of the carrier to the elongated structure.

[0050] The method preferably comprises step j) of detecting one carrier from a batch of carriers by at least one primary detector, wherein step j) is performed prior to step b) or step c). The primary detector may for example be a sensor or an imaging detector. An imaging detector may for example be provided with image processing software for detecting one carrier from a batch of carriers.

[0051] The method preferably further step k) of selecting one detected carrier from a batch of carriers by a number of retaining elements and / or a number of positioning elements, wherein step k) performed simultaneously with or after step j). This embodiment contributes to automating the attachment of a carrier to a plant, which contributes to an easier and less time invasive way of the process of attachment of a carrier to a plant.

[0052] The method preferably comprises step I) of detecting an elongated structure to which the carrier is to be attached by at least one secondary detector. Preferably, step I) is performed prior to step d). The secondary detector and the primary detector of step j) may be the same detector. Hence, the secondary detector may for example be a sensor or an imaging detector. An imaging detector may for example be provided with image processing software for detecting at least part of a plant, in particular an elongated part of a plant, to which the carrier is to be attached. This embodiment contributes to automating the attachment of a carrier to a plant, which contributes to an easier and less time invasive way of the process of attachment of a carrier to a plant.

[0053] Preferably, at least steps a) to g) are iterated for attaching a plurality of carriers to a number of elongated structures. Optionally, at least steps a) to i) are iterated for attaching a plurality of carriers to at least one plant and / or for attaching carriers to a plurality of plants. It is possible that steps a) to i) and steps j) to k) are iterated. Preferably, the method steps performed are iterated such that a plurality of carriers are attached to an elongated structure or such that a plurality of carriers are attached to a plurality of elongated structures. This embodiment contributes to a less labour-invasive and an easier way of attaching a carrier to a plant.

[0054] Preferably, a number of retaining elements is suitable for retaining at least part of the body of the carrier by means of suction, in particular vacuum suction, and / or clamping. Thereto, the number of retaining elements may comprise a suction cup or a clamping element configured for retaining a part of a body of the carrier. Preferably, the number of retaining elements is configured to temporarily retain a primary portion of the carrier, such that the carrier can be attached to the elongated structure.

[0055] Preferably, a number of positioning elements is suitable for retaining the attachment zone of the carrier by means of suction, in particular vacuum suction, and / or clamping. Thereto, the number of positioning elements may comprise a suction cup or a clamping element configured for retaining the attachment zone of the carrier. Preferably, the number of positioning elements is configured to temporarily retain the attachment zone of the carrier, such that the carrier can be attached to the elongated structure.

[0056] According to a second aspect, the invention relates to an attachment arm, suitable for attaching a carrier for an agricultural aid, in short a carrier, to an elongated structure. The elongated structure may be a cable, a wire or an elongated plant structure, in particular a branch, stem or stalk. The carrier that suitably can be attached to the elongated structure by using the attachment arm has a body comprising a carrying element for carrying the agricultural aid and an attachment zone for attachment to the elongated structure. The attachment zone of the carrier comprises a receiving opening for receiving an elongated structure, and a slot connecting the receiving opening with the exterior of the attachment zone. At least part of the attachment zone is deformable under a force for allowing at least the slot to deform between an initial configuration and a number of deformed configurations. The configuration of the slot in the initial configuration differs from the configuration in the number of deformed configurations, preferably such that the size of the slot is smaller in the initial configuration than in the number of deformed configurations. This makes the access space to the receiving opening larger in the number of deformed configurations relative to the initial configuration.

[0057] The attachment arm comprises: a seizing structure, comprising a number of seizing elements for retaining at least part of the body of the carrier, a positioning structure, comprising a number of positioning elements for retaining at least part of the attachment zone of the carrier. The number of positioning elements and the number of seizing elements have a number of aligned positions, wherein a free area is formed between the positioning structure and the retaining structure for leaving at least part of the receiving opening of the attachment zone of the carrier uncovered, when retained by the number of retaining elements and the number of positioning elements.

[0058] Preferably, the attachment arm according to the second aspect of the invention, is used in the method according to the first aspect of the invention. Optionally, the attachment arm is used in a part of the method steps according to the first aspect of the invention. The attachment arm allows to attach or place a carrier to an elongated structure in a less labour-intensive way. In particular, the attachment arm provides less manual actions for attaching a carrier to an elongated structure.

[0059] Preferably, the attachment arm according to invention, comprises a number of drive systems for displacing, in particular rotating and / or linear displacing, the retaining structure and the positioning structure relative to each other between a number of aligned positions and a number of unaligned positions of the number of retaining elements and the number of positioning elements and a number of unaligned positions between the number of retaining elements and the number of positioning elements. In particular, in an unaligned position at least one retaining element and at least one positioning element are in an unaligned position and / or in an aligned position at least one retaining element and at least one positioning element are in an aligned position. Preferably, a number of drive systems is connected to the retaining structure and / or the positioning structure. Preferably, the number of retaining elements and the number of positioning elements are displaceable relative to each other between a number of unaligned positions, preferably 1 or 2 unaligned positions, more preferably a single unaligned position and a number of aligned positions, preferably a single aligned position. The retaining structure may comprise a retention portion, wherein the number of retaining elements are provided. Hence, by displacing the retaining structure and the positioning structure relative to each other the retention portion displaces relative to the positioning structure between a number of aligned positions and a number of unaligned positions. In addition or alternatively thereto, a number of drive systems is connected to a number of retaining elements and / or a number of positioning elements for displacing a number of retaining elements relative to the retaining structure and / or for displacing a number of positioning elements relative to the positioning structure, respectively. The number of drive systems connected to the number of retaining elements and / or the number of positioning elements is configured for displacing number of retaining elements and the number of positioning elements relative to each other between a number of aligned positions and a number of unaligned positions. In particular, in an unaligned position, either a number of positioning elements or a number of retaining elements is configured to retain a part of the carrier. Preferably, in an aligned position, the attachment arm is configured to retain a carrier by both a number of retaining elements and a number of positioning elements. Preferably, a number of retaining elements are displaceable relative to a number of positioning elements between a number of unaligned positions and a number of aligned positions. This embodiment allows a simplification for retaining and / or releasing a carrier.

[0060] Preferably, in the attachment arm according to a second aspect of the invention, a number of positioning elements have a receiving space, such as a groove, for receiving at least a part of an attachment zone, in particular at least part of the deformable part of the attachment zone, of a carrier and / or wherein a number of retaining elements have a receiving space, such as a groove, for receiving at least part of the body of the carrier. Optionally, the receiving space has a tapered or converging shape. Preferably, the receiving space comprises an open end for receiving a carrier and a closed end opposing the open end for retaining a carrier. The receiving space preferably tapers or converges from the open end to the closed end. A tapered or converging shape simplifies both receiving a carrier while providing sufficient retaining properties. Preferably, in the attachment arm according to a second aspect of the invention, the positioning element comprises a first leg and a second leg with a position substantially parallel to the first leg, and a connecting bar in between the first and second leg, positioned in the same plane, wherein the area spanned between the first and second leg and the connecting bar can receive at least part of the receiving opening of the attachment zone, and wherein connected grooves are provided in the first leg, the second leg and the connecting bar— wherein further preferably the groove in the first leg extends across the body of the first leg. The connected grooves provided in the first leg, the second leg and the connecting bar are preferably configured for retaining the attachment zone of the carrier. More preferably, the connected grooves are configured for retaining the carrier at distant portions, in particular at different sides of the receiving opening of the attachment zone. Preferably, the attachment arm comprises a connected groove extending between the first leg, second leg and connecting bar. When the groove in the first leg extends across the body of the first leg, this groove preferably is configured such that the attachment zone of the carrier can pass through it to transition it into the space spanned between the first leg, the second leg and the connecting bar.

[0061] The first leg may be movable, preferably pivotable, in the plane of the connecting bar and the second leg, such that it can move out of the substantially parallel position with the second leg, wherein preferably the positioning structure comprises a resilient element, such as a spring, connected to the first leg and a further part of the positioning structure, wherein said resilient element exerts a force directed to keep the first leg in the substantially parallel position. In particular, said force is a pre-tension needed to be overcome to move, in particular pivot, the first leg out of the substantially parallel position with the second leg.

[0062] Preferably, the first leg and the positioning structure are connected at a pivot point. The positioning structure may comprise a longitudinal axis extending in a longitudinal direction of the positioning structure. The pivot point may have an axis of rotation extending in a direction perpendicular to said longitudinal axis of the positioning structure. The first leg may be rotatable around said axis of rotation. When the first leg is in the plane of the connecting bar and the second leg the attachment arm is in a receiving configuration configured for receiving and / or releasing the carrier. When the first leg is out of the substantially parallel position with the second leg the attachment arm the attachment arm is in a retaining configuration configured for retaining the carrier. Preferably, in the receiving configuration, the carrier is retained by the second leg and / or the positioning structure. Preferably, in the retaining configuration, the carrier is retained by the first leg, the positioning structure and / or the first leg and / or the connecting bar. This embodiment contributes to a simplified attachment of a carrier to an elongated structure. In particular, by simplifying retaining and / or releasing the carrier by the number of positioning elements.

[0063] Preferably, the attachment arm according to a second aspect of the invention, further comprises a number of drive systems for rotating the number of positioning elements and the number of retaining elements relative to each other in a number of aligned positions. In particular, the positioning structure and the retaining structure are configured such that the number of positioning elements and the number of retaining elements can be rotated relative to each other in the aligned position, wherein the attachment arm further comprises a number of drive systems to drive said rotation. The number of drive systems are preferably connected to the retaining structure and / or the positioning structure.

[0064] Preferably, the attachment arm according to the second aspect of the invention, comprises a connecting structure connected to the seizing structure and the positioning structure. The connecting structure preferably comprises a track along which the retaining structure is displaceable, in particular for positioning a number of retaining elements and a number of positioning elements between the number of aligned positions and the number of unaligned configuration. The track may be referred to as a rails. It is imaginable that the track or rails extends in a longitudinal direction of the support structure for displacing the retaining element in a longitudinal direction of the support structure. Optionally, the retaining element comprises guiding elements configured to co-act with the track or rails, in particular such that the retaining element smoothly and / or gradually displaces with respect to the support structure between the aligned configuration and the unaligned configuration. The track and / or the retaining element preferably comprises positioning elements for positioning the retaining element with respect to the support structure on predetermined locations. The positioning elements may be positioning openings configured to co-act with at least a part of the retaining element. The retaining element may for example comprise an extending element configured to co-act with at least one positioning opening to lock the retaining element on predetermined positions, in particular with respect to the track and / or the support structure. Therewith, a predetermined aligned configuration and / or unaligned configuration can be generated.

[0065] Preferably, in the attachment arm according to the second aspect of the invention, a number of retaining elements of the retaining structure are substantially in plane with a number of positioning elements of the positioning structure for retaining the carrier on one and the same side. Preferably, the number of retaining elements and the number of positioning elements are configured for retaining the carrier on one and the same frontal side of the carrier. In this embodiment, the number of retaining elements and the number of positioning elements are preferably suction cups for retaining the carrier by means of suction. This embodiment contributes to a relatively easy way of retaining a carrier for attaching a carrier to an elongated structure.

[0066] Preferably, in the attachment arm according to the second aspect of the invention, at least one positioning element is a suction cup or a clamping element for retaining at least part of an attachment zone of a carrier. Preferably, the number of positioning elements is configured to temporarily retain the attachment zone of the carrier, such that the carrier can be attached to the elongated structure.

[0067] Preferably, in the attachment arm according to the second aspect of the invention, at least one retaining element is a suction cup or a clamping element for retaining at least part of the body of a carrier. Preferably, the number of retaining elements is configured to temporarily retain a primary portion of the carrier, such that the carrier can be attached to the elongated structure.

[0068] Preferably, the attachment arm according to the second aspect of the invention, further comprises a connecting structure extending from the retaining structure and / or the positioning structure configured to be connected to a support structure of a device for attachment of a carrier for an agricultural aid, such as a pest control carrier, to an elongated structure. It will be clear that the attachment arm of the invention is only an element, but a relevant element, of a device that is suitable for attaching a carrier for an agricultural aid to an elongated structure. According to a third aspect, the invention thus relates to a device for attachment of a pest control carrier to an elongated structure. The device comprises:

[0069] - a support structure;

[0070] - an attachment arm according to any of the claims 26-38 connected to said support structure, preferably via a connecting structure;

[0071] - a number of drive systems, preferably connected to the support structure, configured for displacing the seizing structure and / or the positioning structure in a direction away from the support structure suitable for bringing the carrier, when retained by a number of seizing elements and / or a number of positioning elements, towards an elongated structure to which the carrier is to be attached.

[0072] According to certain preferred embodiments the number of drive systems is further configured for displacing, in particular rotating, at least a part of the seizing structure and / or at least part of the positioning structure with respect to the support structure and preferably each other such that the slot of the attachment zone of a carrier, when retained by a number of seizing elements and a number of positioning elements, deforms from the initial configuration to a number of deformed configurations.

[0073] The device preferably comprises at least one detector for detecting an elongated structure, such as a wire, a cable or an elongated plant structure, in particular a branch, stem or stalk, to which the carrier is to be attached. Such a detector may be an optical detector, such as an image detector, preferably incorporated in an imaging unit further comprising an image processing unit. In addition, the device preferably comprises a control unit connected to at least one drive system and the detector, preferably the imaging unit, configured for controlling the at least one drive system. The processing unit in such an embodiment preferably is programmed to execute a sequence of steps that in a coordinated way detects a carrier for an agricultural aid to be attached to an elongated structure, retains the carrier, detects an elongated structure to which the carrier is to be attached, moves the carrier to the elongated structure and activates the necessary elements on the attachment arm to attach the carrier to the elongated structure. The processing unit thus combines detecting and activating functions. Apart from imaging sensors other sensor types can be used.

[0074] The support structure is preferably robust for creating a counterforce for the displacement of the retaining structure and / or positioning structure. Optionally, the connecting structure is configured to be displaced by at least one drive system. It is envisaged that at least one drive system is configured for displacing, in particular rotating, the positioning structure and the seizing structure with respect to each other for attaching the carrier to an elongated structure. Preferably, a number of drive systems is configured for both displacing at least one seizing structure and / or at least one positioning structure with respect to each other and for displacing, in particular rotating, at least a part of the positioning structure with respect to the support structure. Optionally, the at least one drive system comprises a first drive unit for displacing the seizing element and / or the positioning element with respect to each other for positioning the seizing structure and the positioning structure between an aligned configuration and an unaligned configuration, and a second drive unit for displacing, in particular rotating, at least a part of the positioning structure with respect to the support structure for attaching the carrier to the elongated structure. The device according to the invention allows to attach a carrier for an agricultural aid without or with less manual actions. Preferably, the device according to the invention provides an automatic or semi-automatic attachment of such a carrier to an elongated structure.

[0075] In the attachment arm of the device, displacement, in particular rotation, of the seizing structure and the positioning structure with respect to each other provides the force for deformation of the attachment zone between the initial configuration and a number of deformed configurations. The deformed configuration and the initial configuration according to this embodiment are provided by the degree of displacement of the seizing structure and the positioning structure with respect to each other. Hence, the attachment zone is provided in the deformed configuration when the primary portion of the carrier retained by the seizing structure, in particular a number of retention elements thereon, and the attachment zone retained by the positioning structure are mutually displaced, in particular rotated, with respect to each other such that at least part of the attachment zone is at least partially out of plane of at least a centre part of the body of the carrier. Alternatively, the attachment zone is provided in the initial configuration when the primary portion of the carrier retained by the seizing structure, in particular a number of retention elements thereon, and the attachment zone retained by the positioning structure are at least partially in plane with at least a centre part of the body of the pest control carrier.

[0076] The at least one drive system may comprise a motor, in particular an electromotor, for displacing, in particular rotating, at least a part of the positioning element with respect to the support structure. Optionally, the drive system comprises a secondary motor, in particular a secondary electromotor, for displacing the at least one seizing structure and / or at least one positioning structure with respect to each other for positioning the retention portion and the positioning element between an aligned configuration and an unaligned configuration.

[0077] Preferably, at least one drive system is further configured to displace the seizing structure and / or the positioning structure in a direction towards the support structure, in particular after a pest control carrier is attached to the plant. Optionally, the device is configured to alternati ngly displace the seizing structure and the positioning structure in a direction towards the support structure, in particular after a carrier is attached to the elongated structure. Preferably, the at least one drive system is configured to consecutively displace the seizing structure and the positioning structure in a direction towards the support structure.

[0078] Optionally, the positioning structure in the attachment arm of the device has a substantially L-shape, wherein preferably the receiving portion extends along the L- shape. In that embodiment, the receiving portion is configured to receive two side edges of the attachment zone of a carrier. The positioning structure may have a substantial (inverted) U-shape, wherein the receiving portion extends along the U- shape. In that embodiment, the receiving portion is configured to receive three side edges of the attachment zone of a pest control carrier. It is imaginable that the receiving portion has a substantially tapered shape, wherein the receiving portion preferably diverges to an open end. This allows the receiving portion to relatively easy receive the attachment zone of a pest control carrier while providing sufficient retaining properties.

[0079] The device may further comprise at least one detector for detecting an elongated structure, in particular at least an elongated part of the plant or a wire, onto which the pest control carrier is to be attached. The detector may be connected to the support structure, the retaining element and / or the positioning element. The detector may for example be a sensor or an imaging detector. An imaging detector may for example be provided with image processing software for detecting at least part of a plant, in particular an elongated structure, to which the carrier is to be attached. This embodiment contributes to automating the attachment of a carrier to an elongated structure, which contributes to an easier and less time invasive way of the process of attachment of a carrier to an elongated structure.

[0080] The device according to the invention further comprises a control unit, directly or indirectly, connected to the at least one drive system and the detector, configured for controlling the at least one drive system, wherein the at least one drive system is configured to be activated when the detector detects an elongated structure onto which the pest control carrier is to be attached. This embodiment further contributes to automating the attachment of a carrier to a an elongated structure, which contributes to an easier and less time invasive way of the process of attachment of a carrier to an elongated structure.

[0081] The attachment arm of the device is connected to the support structure, and wherein at least one drive system is configured for displacing, in particular rotating, the attachment arm with respect to the support structure for attaching the carrier to the elongated structure, such as at least one elongated part of a plant or a wire. The attachment arm preferably comprises a connecting structure for connecting the attachment arm to the support structure. The connecting structure preferably extends in a direction away from the retaining element and / or the positioning element. The connecting structure is preferably in connection with at least one drive system for displacing, in particular rotating, the attachment arm with respect to the support structure. The positioning structure and the seizing structure are displaceable, in particular rotatable, upon displacement of the attachment arm relative to the support structure. The device preferably comprises a secondary retaining element configured to provide the attachment arm with a carrier. The at least one drive system may be configured to displace the secondary retaining element with respect to the attachment arm for positioning the retention portion of the secondary retaining arm between an aligned and an unaligned configuration with respect to the positioning structure.

[0082] According to a fourth aspect, the invention relates to the use of the device according to the third aspect of the invention for attaching a pest control carrier to an elongated structure, in particular an elongated plant structure. It is clear that such a use is the intended use of the device and that the attachment arm has a relevant function in this use.

[0083] According to a fifth aspect, the invention relates to the use of an attachment arm according to the second aspect of the invention in the production of a device according the third aspect of the invention. It is clear that the attachment arm is a relevant part of the device of the invention. In the use in the production of a device according the invention, the attachment arm can be functionally connected to other elements of the device. The functional connection may preferably comprise a physical connection.

[0084] The invention will be further described with reference to the attached figures which present several exemplary embodiments of the attachment arm of the invention.

[0085] - Figure 1 schematically shows a side view of an embodiment of an attachment arm according to the present invention for attaching a carrier for an agricultural aid, in particular a pest control carrier, to an elongated structure,

[0086] - Figures 2a-2e schematically present the attachment arm of figure 1 in its use in a method for attaching a pest control carrier to an elongated structure,

[0087] - Figures 3a and 3b schematically show a side view of an alternative embodiment of a positioning element according to the present invention, - Figure 4 schematically shows a perspective rear view of another embodiment of the attachment arm according to the present invention,

[0088] - Figure 5 schematically shows a perspective view of yet another embodiment of the attachment arm according to the present invention,

[0089] - Figure 6 schematically shows a perspective view of a further alternative embodiment of an attachment arm according to the present invention, and

[0090] - Figure 7 schematically shows a perspective view of yet a further embodiment of an attachment arm according to the present invention.

[0091] Within these figures, similar reference numbers correspond to similar or equivalent elements or features.

[0092] Figure 1 shows a side view of an attachment arm 1 for attaching a pest control carrier to an elongated structure, such as a branch, stem or stalk of a plant, according to present invention. The device 1 comprises a support structure 2. A seizing structure 3, here a seizing arm is slidably connected to the support structure 2. The seizing structure 3 comprises a seizing section 4 for retaining a pest control carrier (not shown). The shown seizing section 4 is provided on an end side of the retaining element 3. The seizing section 4 may comprise at least one retention element 7. The shown embodiment comprises two retention elements 7. The retention elements 7 are provided on an outer surface of the seizing section 4. In the shown embodiment, the retention elements 7 are suction cups 7 configured to retain a pest control carrier by means of suction using an under pressure. The device 1 further comprises a positioning structure 5. The positioning structure 5 is connected to the support structure 2. In the shown example, the positioning structure 5 is connected to the support structure 2 through a drive structure 6b. The shown positioning structure 5 and the seizing structure 3 are provided at a distance from each other. The positioning structure 5 and the siezing structure 3 of the shown embodiment are parallel to each other. The positioning structure 5 comprises a receiving portion 8 for receiving at least a part of a pest control carrier. In the shown embodiment, the receiving portion 8 is a slot 8. The positioning structure 5 of the shown embodiment is L-shaped, however other shapes are suitable. The device 1 further comprises a drive system 6 for moving and / or rotating the seizing structure 3 and / or the positioning structure with respect to the support structure 2 and each other. Figure 1 shows the seizing section 4 of the seizing structure 3 and the positioning structure 5 in a configuration which is longitudinally unaligned, but rotationally aligned. The drive system 6 is configured to displace the seizing structure 3 and the positioning structure 5 with respect to the support structure 2, and preferably with respect to each other. Preferably, the seizing structure 3 is displaceable along a longitudinal direction L of the support structure 2. The support structure 2 of the shown embodiment comprises a track 9 or a rails along which the seizing structure 3 is displaceable. Optionally, the seizing structure 3 is configured to slide on the track 9. Preferably, at least between a longitudinally aligned configuration and a longitudinally unaligned configuration of the seizing section 4 and the positioning structure 5. The track 9 of the shown embodiment comprises positioning elements 10 for positioning the seizing structure 3 on predetermined positions. In the shown embodiment, the positioning elements 10 are openings configured to co-act with at least a part of the seizing structure 3. The seizing structure 3 may for example comprise a protruding element configured to co-act with at least one positioning opening 10 to lock the seizing structure 3 on a predetermined position, in particular with respect to the track 9 and / or the support structure 2. The drive system 6 of the shown embodiment is connected to the support structure 2. In the shown embodiment, the drive system 6 comprises a first drive structure 6a configured to displace the seizing structure 3 with respect to the positioning structure 5. The first drive structure 6a of the shown embodiment comprises a pinion 16a and a rack 16b. However, other drive structures may be suitable. The rack 16b is connected to the seizing structure 3 and the pinion 16a is connected to the support structure 2. Rotation of the pinion 16a allows the linear movement of the rack 16b and with that a linear displacement of the seizingstructure 3 with respect to the support structure 2 and / or the positioning structure 5. The first drive structure 6a may further comprise a motor 16c, in particular an electromotor, configured to actuate the first drive structure 6a. In the shown embodiment, a motor 16c is connected to the pinion 16a, in particular to an axis of rotation of the pinion 16a, for rotating the pinion 16a. In another embodiment, it is envisaged that a motor 16c is connected to the rack 16b for driving linear movement of the rack 16b. The drive system 6 of the shown embodiment further comprises a second drive structure 6b. The second drive structure 6b is configured for displacing and / or rotating at least a part of the positioning structure 5 with respect to the support structure 2 and the seizing structure and its elements. The second drive structure 6b may for example be a motor, preferably an electromotor. Figures 2a-2e schematically show the use of the attachment arm of figure 1 in a method for attaching a pest control carrier 20 to an elongated structure. The pest control carrier 20 is a an Ultimite-type sachet as marketed by Koppert (Berkel and Rodenrijs NL) containing predatory mites as pest control agent. It comprises a body B having an attachment zone A for attachment to a plant, in particular to an elongated part of the plant. The attachment zone A comprises a receiving opening A2for receiving an elongated structure, in particular an elongated part of the plant or a wire or a similar structure. The attachment zone A is deformable under a force between an initial configuration and a number of states. The attachment zone A of the shown pest control carrier 20 further comprises an incision A3 serving as slot, which runs from the edge of the receiving opening A2to the exterior edge of the attachment zone A (see in particular figures 2c, 2e), allowing at least a part of the attachment zone A to deform between an initial configuration and a number of deformed configurations under a force. The incision A3separates the attachment zone A at least in a hooked portion A1 and in an upright portion A . The shown incision A3 extends from the opening A2of the attachment zone A.

[0093] Figure 2a shows the attachment arm 1 in a longitudinally unaligned configuration, wherein the retention elements 7 (not visible) of the seizing structure 3 and the positioning structure 5 are unaligned by longitudinal unallignment. The pest control carrier 20 is retained by the seizing structure 3 on a primary portion P of the body of the pest control carrier 20. The shown primary portion P is located at a transition area between the pest control carrying portion S and the attachment zone A. However, other primary portions on the body may also be suitable. The seizing structure 3 (and its elements) and the positioning structure 5 (and its elements) are located at a distance from each other. The seizing structure 3 and the positioning structure 5 are parallel to each other. The shown embodiment shows the pest control carrier 20 in an initial configuration, wherein the attachment zone A is in plane with a centre part of the body B of the pest control carrier 20. In particular, the attachment zone A and the entire body B are located in essentially the same plane. The shown attachment zone A is in plane with the pest control carrying portion S, in particular with a centre part of the pest control carrying portion S. In the shown initial configuration, the attachment zone A is substantially flat. Furthermore, the opening A2of the attachment zone A has a closed configuration. The shape of the shown receiving opening A2is substantially round, in particular circular. Additionally, the hooked portion Ai is in plane with the upright portion A4 of the attachment zone A. The hooked portion A1 is in plane with the centre part of the body B of the pest control carrier 20, in particular with the pest control carrying portion S.

[0094] Figure 2b shows the device 1 in an aligned configuration, wherein the seizing section 4 (not visible) of the seizing structure 3 where its retention elements 7 (not visible) are located is aligned with the positioning structure 5. Relative to the unaligned configuration of figure 2a, the seizing structure 3 and the positioning structure 5 are mutually displaced. In particular, the seizing structure 3 is displaced in longitudinal direction L of the support structure 2, such that its seizing section 4 (containing the seizing elements 7) and the positioning structure 5 are (substantially) aligned. In the shown embodiment, the seizing structure 3 is displaced along the track 9 from the unaligned configuration (figure 2a) to the aligned configuration (figure 2b). It is, however, also possible that together with or instead of the displacement of the seizing structure 3 the positioning structure 5 is configured to be displaced with respect to the support structure 2 and / or the seizing structure 3 to shift between an aligned configuration and a unaligned configuration. In the aligned configuration of figure 2b, the pest control carrier 20 is retained by the seizing structure 3 on a primary portion P of the pest control carrier 20 and a part of the attachment zone A of the pest control carrier 20 is retained by the positioning structure 5. The shown positioning structure 5 is an L-shaped structure containing a receiving slot in its vertical and horizontal arms via which the attachment zone of the pest control carrier can move into the space spanned by the legs of the L-shaped positioning structure when transitioning from the unaligned configuration to the aligned configuration. The positioning structure 5 of the shown embodiment retains the attachment zone A on two sides. In particular, at least the side edges of the hooked portion A1 are retained by the positioning structure 5. A receiving portion of the shown positioning structure 5 received a part of the attachment zone A of the pest control carrier 20, in particular two sides of the attachment zone A, more in particular the side edges of the hooked portion A1. In the shown aligned configuration, the slot of the attachment zone of the pest control carrier 20 is (still) in an initial configuration. Figure 2c shows the attachment zone A of the pest control carrier 20 in a deformed configuration. The attachment zone A is deformed with respect to the initial configuration as shown in figures 2a and 2b. The positioning structure 5 is displaced, in particular rotated, with respect to the support structure 2. Hence, the part of the attachment zone A retained by the positioning structure 5 is displaced, in particular rotated, with respect to the support structure 2. The positioning structure 5 is also displaced, in particular rotated, with respect to the seizing structure 3, in particular with respect to the seizing section 4 (and its retention elements 7). Hence, the part of the attachment zone A retained by the positioning structure 5 is displaced, in particular rotated, with respect to the part of the pest control carrier 20 retained by the seizing structure 3, in particular the retention portion 4. The positioning structure 5 is rotated with respect to the support structure 2. In the shown deformed configuration, a part of the attachment zone A, in particular the part of the attachment zone A retained by the positioning structure 5, is rotated out of plane of a centre part of the body B of the pest control carrier 20 and / or out of plane with the (centre part of) pest control carrying portion S. In the shown embodiment, the hooked portion Ai is out of plane of the centre part of the body B of the pest control carrier 20 and / or out of plane with the (centre part of) pest control carrying portion S. In the shown deformed configuration, the hooked portion Ai is out of plane of the upright portion A4. The hooked portion Ai retained by the positioning structure 5 is displaced, in particular rotated, together with the positioning structure 5. The opening A2of the attachment zone A is deformed with respect to the initial configuration. The opening A2of the attachment zone A has deformed from a closed configuration in the initial configuration to an open configuration in the shown deformed configuration. Additionally, the opening A2is larger in the deformed configuration than in the initial configuration, such that the step of attaching the pest control carrier 20 to a plant is simplified. The incision A3provides a separation between the deformed portion, here the hooked portion Ai, and a nondeformed portion, here the upright portion A4, of the attachment zone A. Hence, in the shown deformed configuration, the attachment zone A is not flat. Additionally, the hooked portion Ai is in out of plane with the upright portion A4of the attachment zone A. In the shown embodiment, the attachment arm 1 is in an longitudinally aligned configuration wherein the seizing elements 7 of the seizing structure and the seizing elements (the receiving slot) of the L-shaped positioning structure 5 are essentially on the same longitudinal position. Therewith, the attachment arm 1 , in particular the seizing elements 7 of the seizing structure 3, provide sufficient counterforce for the force applied, here a rotational force, for the deformation of the attachment zone A between the initial configuration to the deformed configuration.

[0095] Figure 2d shows the attachment zone A of the pest control carrier 20 back in the initial configuration. The attachment zone A has formed back into the initial configuration relative to a deformed configuration as shown in figure 2c. for this the positioning structure 5 is displaced, in particular rotated, back to the initial position by actuation of the motor 6b. Hence, the part of the attachment zone A retained by the positioning structure 5 is displaced, in particular rotated, back to the initial position. In particular, the hooked portion Ai of the attachment zone A is formed back into the initial position. An elongated structure C is present in the opening A2of the attachment zone A of the pest control carrier 20 In the situation of figure 2c the elongated structure C, has passed via the deformed slot into the opening A2of the attachment zone A of the pest control carrier 20. The movement of the elongated structure is thus in a direction having a directional component perpendicular to its longest axis, preferably an essentially perpendicular direction. After entry of the elongated structure in the receiving opening, the slot created by the incision A3 of the attachment zone A isformed back into the initial configuration, by rotation actuated by motor 6b, wherein the slot has again a closed configuration. Additionally, the receiving opening A2is smaller than in the deformed configuration as shown in figure 2c. By transitioning the attachment zone A from the deformed configuration to the initial configuration, the pest control carrier 20 is attached to the elongated structure C.

[0096] Figure 2e shows the device 1 in a longitudally unaligned configuration, wherein the seizing section 4 of the seizing structure 3 and the positioning structure 5 are mutually displaced to a unaligned configuration. The attachment zone A of the pest control carrier 20 is in the initial configuration. In the shown unaligned configuration, the retention elements 7 released the primary portion P of the pest control carrier 20. The attachment zone A of the pest control carrier 20 supports on the elongated structure C protruding through the receiving opening A2. The retaining section 4 has been displaced in the direction away from the positioning structure 5. In an alternative embodiment, the positioning structure 5 may be displaced in a direction away from the retaining section 4. In a next step, the positioning structure 5 move away from the attachment zone to releases the attachment zone A of the pest control carrier 20, such that the pest control carrier 20 is attached to the plant C. In the embodiment of figures 2e the free direction of movement for the L-shaped positioning structure 5 is in the upper direction, such that the attachment zone A of the pest control carrier moves away from the L-shaped positioning structure 5.

[0097] Figures 3a and 3b schematically show a side view of an alternative embodiment of the positioning structure 50 according to the present invention. This alternative positioning structure 50 of figures 3a and 3b has a similar functionality as the positioning structure 5 of the embodiment of figures 1 , 2a-2e with some added features, as explained below. The positioning structure 50 comprises a receiving portion 58 configured to receive a part of the attachment zone A of the pest control carrier 20. The positioning structure 50 comprises a static portion 53 and a moveable portion 52. The static portion 53 is substantially L-shaped. The static portion 53 comprises a receiving portion 58 or a slot suitable to receive the flat plate-like body of the receiving zone A of the pest control carrier 20. Preferably, at least a part of the static portion 53, in particular at least a part of the inner surface of the static portion 53, comprises a receiving portion 58. Optionally, the entire inner surface of the static portion 53 comprises a receiving portion 58. The moveable portion 52 is moveable with respect to the static portion 53. In the shown embodiment, the moveable portion 52 is substantially straight. It is possible that at least a part of the moveable portion 52 comprises a receiving space for receiving at least a part of the attachment zone A of the pest control carrier 20. In particular, the moveable portion 52 is pivotally or rotatably connected to the static portion 53. The static portion 53 and / or the moveable portion 52 comprise a pivot point 51 or an axis of rotation around which the moveable portion 52 is rotatable or pivotable. The moveable portion 52 and / or the static portion 53 may comprise a resilient element, such as a spring. A resilient element, such as a spring, may connect the moveable portion 52 and the static portion 53. The positioning structure 50 is preferably connected to the support structure 2 of the attachment arm 1 according to the invention at an end side 56 of the static portion 53.

[0098] Figure 3a shows the positioning structure 50 in a receiving configuration, wherein the positioning structure 50 is configured to receive at least a part of the attachment zone A of the pest control carrier 20. In the receiving configuration, the moveable portion 52 is at least partially aligned with an upper side 54 of the static portion 53. In the receiving configuration, the moveable portion 52 makes an angle with an upright portion 55 of the static portion 52. In the receiving configuration, the static portion 53 and the moveable portion 52 are configured such that a pest control carrier 20 can easily enter the positioning structure 50, in particular the receiving portion 58 of the positioning structure 50. In the shown receiving configuration, two sides of the attachment zone A of the pest control carrier 20 are received by the positioning structure 50.

[0099] Figure 3b shows the positioning structure 50 in a retaining configuration, wherein the positioning structure is configured to retain at least a part of the attachment zone A of the pest control carrier 20. In the retaining configuration, the moveable portion 52 is at least partially parallel to an upright portion 55 of the static portion 53. In the retaining configuration, the moveable portion makes an angle with an upper side 54 of the static portion 53. In the retaining configuration, the static portion 53 and the moveable portion 52 are configured such that a pest control carrier 20 is retained by the positioning structure 50, in particular in the receiving portion 58 of the positioning structure 50. In the embodiment of figure 3b the movable portion 52 also contributes to retaining the attachment zone A, in that this movable portion 52 also contains a receiving slot suitable for receiving the plate-like body of the attachment zone A. In the shown receiving configuration, the attachment zone A of the pest control carrier 20 is thus retained by the positioning structure 50 at two sides interacting with the slot in the movable part 52 and the upper part 54. In the retaining configuration the attachment zone A can be deformed from the initial configuration and returned to the intial state, similar to what is shown in figures 2a-2e, by rotation of the positioning structure 50. For releasing the the attachment zone A from the positioning structure, the movable part 52 can be moved to align with the upper part 54 and the positioning structure 50 can be moved away from the attachment zone A to release the attachment zone A. For automated movement the movable part 52 may be connected to a drive system, such as a drive system including a motor, preferably an electro motor, and a control unit. The advantage of this embodiment is that the attachment zone attached to the elongated structure can be release from the positioning structure in the opposite direction of entry (as indicated by the arrows in figure 3a). This simplifies the procedure of seizing-attachment-release of the carrier.

[0100] In an alternative of the embodiment of figures 3a and 3b, the movable part 52, similar to the vertical part of positioning structure 5 of the embodiment of figures 1 , 2a-2e, may be configured with a slot which crosses the leg of movable part 52. This allows the body of the attachment zone to enter the space between the movable part 52, the upper part 54 and the upright portion 55 of the static part 53 via the opening of the slot in movable part 52. Thus, the attachment zone can enter into the retaining position of the positioning structure 5 while the movable part 52 is in a position having a direction non-parallel to the upper part 54, similar to the position in figure 3b. In this embodiment the attachment zone attached to the elongated structure can still be release from the positioning structure in the opposite direction of entry. For this embodiment the opening of the movable part need not be driven by sperate mechanical means. Using the elongated structure positioned in the receiving opening A2, the movable part 52 can be pushed open while moving positioning structure. Using a resilient element, such as a spring, the movable part can return to a position substantially perpendicular to the upper part 54.

[0101] Figure 4 schematically shows a perspective rear view of another embodiment of the attachment arm 40 according to the present invention. The attachment arm 40 comprises a support structure 42 to which a positioning structure 45 and a seizing structure 43 are connected. The seizing structure 43 comprises a seizing section 44 where the pest control carrier 20 is retained at a primary portion P by retention elements 47, in this case suction cups. The positioning structure 45 (and its elements 48) is located at a distance from the seizing structure 43 (and its elements 44, 47). The positioning structure 45 is substantially L-shaped. The positioning structure 45 comprises retention elements 48 which retain the attachment zone A of the pest control carrier 20. The retention elements 48 may for example be suction cups. In the shown embodiment, the retention elements 48 are configured to retain the attachment zone A at the hooked portion Ai. The positioning structure 45 and the seizing structure 43 when retain the pest control carrier 20 leave the incision A3 of the attachment zone A free. This allows the attachment zone A to deform and / or to increase the size of the incision A3under the application of a force. The device 40 further comprises a drive system 46 that can rotatably move the position structure 45 relative to the seizing structure 43 and its elements 44, 47 to apply this force. In the shown embodiment, the drive system 46 is connected to the support structure 42 and to the seizing structure 43 and / or the positioning structure 45. It will be clear that also with this embodiment of figure 4 the sequence of seizing-deforming-releasing the attachment zone a of the pest control carrier 20 can be performed to attach the pest control carrier to an elongated structure.

[0102] Figure 5 schematically shows a perspective view of yet another embodiment of the attachment arm 60 according to the present invention. The attachment arm 60 comprises a support structure 62 to which a positioning structure 65 and a seizing structure 63 are connected. The seizing structure 63 is provided as a support bar for supporting a primary portion P of a pest control carrier. The positioning structure 65 is located at a distance from the seizing structure 63. The positioning structure 65 comprises retention elements 68 for retaining at least part of the attachment zone A of the pest control carrier 20. The retention elements 68 may for example be suction cups. In the shown embodiment, the retention elements 68 are configured to retain the attachment zone A at the hooked portion Ai. The positioning structure 65 and the seizing structure 63 when retaining the pest control carrier 20 leave the incision A3 of the attachment zone A free. This allows the attachment zone A to deform and / or to increase the size of the incision A3under the application of a force. The shown retaining structure 63 provides a resistance force on the primary portion P of the pest control carrier 20. When the attachment zone A deforms by displacing, in particular rotating, the positioning structure 65 with respect to the support structure 62 and / or the seizing structure 63, the seizing structure 63 provides a resistance force on the primary portion P. In particular, the seizing structure 63 supports the primary portion P of the pest control carrier 20. Therewith, the device 60 allows the attachment zone A to deform between a closed shape and a number of deformedstates and back. The attachment arm 60 further comprises a drive system 66. In the shown embodiment, the drive system 66 is connected to the support structure 62 and to the positioning structure 65.

[0103] Figure 6 schematically shows a perspective view of a further embodiment of an attachment arm 70 according to the present invention. The attachment arm 70 comprises a positioning structure 75 and a seizing structure 73. The shown attachment arm 70 has an open shape, in particular a U-shape or a C-shape. The positioning structure 75 and the seizing structure 73 are located at a distance from each other. The seizing structure 73 comprises a seizing portion 74, wherein the shown seizing portion 74 comprises retention elements 77. The positioning structure 75 and the seizing structure 73, in particular the seizing portion 74, are in an aligned configuration. The distance between the positioning structure 75 and the seizing structure 73 preferably corresponds to the distance between an attachment zone A and a primary portion P of a pest control carrier 20 when a pest control carrier is retained by the attachment arm 70. The attachment arm 70 further comprises retention elements 77, 78, in particular the positioning structure 75 comprises a first pair of retention elements 78 and the seizing structure 73 comprises a second pair of retention elements 77. The retention elements 77, 78 are provided on one outer surface the attachment arm 70. The first pair of retention elements 78 is preferably configured for retaining a pest control carrier 20 at an attachment zone A. The second pair of retention elements 77 is preferably configured for retaining a pest control carrier 20 at a primary portion P. The shown retention elements 77, 78 may for example be suction cups. However, other retention elements may also be suitable. The attachment arm 70 further comprises a groove 72 for passaging an elongated structure, to which a pest control carrier 20 is to be attached. Preferably, at least a part of the groove 72 overlaps with the receiving opening of an attachment zone A of a pest control carrier 20 when retained by the positioning structure 75 and / or the seizing structure 73, in particular the seizing portion 74 and the retention elements 77 located there. The attachment arm 70 further comprises a connecting structure 71 for connecting the attachment arm 70 to a support structure of a device according to the invention for attaching a pest control carrier to an elongated structure. The connecting structure 71 is preferably in connection with a drive system for displacing, in particular rotating, the attachment arm 70 with respect to a support structure. Hence, both the positioning structure 75 and the seizing structure 73 are displaceable, in particular rotatable, upon activation by a drive system.

[0104] For attachment of a pest control carrier retained by the attachment arm 70, the seizing structure 73 and the positioning structure 75 are brought towards an elongated structure under an angle with respect to the elongated structure to which the pest control carrier is to be attached. In particular, the entire attachment arm 70 is provided under an angle with respect to the elongated structure on which the pest control carrier is to be attached. By pushing, in particular sliding, the attachment zone of the pest control carrier retained by the attachment arm 70 to the elongated structure to which the pest control carrier is to be attached, the part of the attachment zone making contact with that part of the elongated structure will deform from an initial configuration to a deformed configuration. Preferably, the groove 72 of the attachment arm 70 is first brought into contact with the elongated structue, in particular such that at least part of the attachment zone which at least partially overlaps with the groove 72 of the attachment arm 70 will deform upon contact with the elongated structure to which the pest control carrier is to be attached. Once the elongated structurehas passed through or is received in the receiving opening of the attachment zone of the pest control carrier, the attachment zone forms back from the deformed configuration to the initial configuration. Eventually, the attachment arm 70, in particular the seizing structure 73 and the positioning structure 75 release the pest control carrier when attached to the plant.

[0105] Figure 7 schematically shows a perspective view of a further embodiment of an attachment arm 80 according to the present invention. The attachment arm 80 comprises a positioning structure 85 and a seizing structure 83. The shown attachment arm 80 has an open shape, in particular a U-shape or a C-shape. The positioning structure 85 and the seizing structure 83 are located at a distance from each other. The seizing structure 83 comprises a seizing portion 84, wherein the shown seizing portion 84 comprises a receiving portion 87 or a receiving space. The positioning structure 85 and the seizing structure 83, in particular the seizing portion 84, are in an aligned configuration. The distance between the positioning structure 85 and the seizing structure 83 preferably corresponds to the distance between an attachment zone and a primary portion of the pest control carrier when a pest control carrier is retained by the attachment arm 80. The attachment arm 80 further comprises receiving portions 87, 88, in particular receiving spaces. The receiving portions 87, 88 of the shown embodiment are interconnected. The receiving portions 87, 88 of the shown embodiment together form a slot for receiving a part of the pest control carrier. The receiving portions 87, 88 are provided between two opposing frontal sides of the attachment arm 80. It is preferred that at least one receiving portion 87, 88 has a tapered shape allowing to clamp on at least a part of the pest control carrier, in particular the attachment zone, when receiving it in the respective receiving portion 87, 88. According to certain embodiments clamping may further be facilitated mechanically by a motorized mechanical drive system driving the positioning structure and the seizing structure such that the space of the receiving portions 87, 88 is narrowed. The attachment arm 80 further comprises a groove 82 for passaging a part of an elongated structure, to which a pest control carrier is to be attached. Preferably, at least a part of the groove 82 overlaps with the receiving opening of an attachment zone of a pest control carrier when retained by the positioning structure 85 and / or the seizing structure 83, in particular the seizing section 84. The attachment arm 70 further comprises a connecting structure 81 for connecting the attachment arm 80 to a support structure of a device according to the invention for attaching a pest control carrier to an elongated structure. The connecting structure 81 is preferably in connection with a drive system for displacing, including rotating, the attachment arm 80 with respect to a support structure. Hence, both the positioning structure 85 and the seizing structure 83 are displaceable, in including rotatable, upon activation by a drive system. It is preferred that a device for attaching a carrier for an agricultural aid, such as a pest control carrier, to an elongated structure comprises, a part from the attachment arm 80, a secondary retaining structure (not shown) for retaining a second primary portion of the carrier. The attachment arm 80 can be used for attachment of a carrier for an agricultural aid, such as a pest control carrier, to an elongated structure similar to what is described for the embodiment of figure 6.

[0106] It will be clear that the invention is not limited to the exemplary embodiments which are illustrated in the figures and described here, but that countless variants are possible within the framework of the attached claims, which will be obvious to the person skilled in the art. In this case, it is conceivable for different inventive concepts and / or technical measures of the above-described variant embodiments to be completely or partly combined without departing from the inventive idea described in the attached claims.

Claims

Claims1 . Method for attaching a carrier for an agricultural aid, in particular a pest control carrier, to an elongated structure, such as a wire, a cable, a rope or an elongated plant structure, in particular a branch, stem or stalk, comprising the steps of: a) providing a carrier for an agricultural aid having a body comprising a carrying element, for carrying the agricultural aid, and an attachment zone for attachment to the elongated structure, wherein said attachment zone comprises a receiving opening for receiving the elongated structure, and a slot in the body of the attachment zone connecting the receiving opening with the exterior of the attachment zone, wherein at least part of the attachment zone is deformable under a force for allowing at least the slot to deform between an initial configuration and a number of deformed configurations, wherein the configuration of the slot in the initial configuration differs from the configuration in the number of deformed configurations, preferably such that the size of the slot is smaller in the initial configuration than in the number of deformed configurations, b) providing a number of seizing elements suitable for retaining at least part of the body of the carrier and retaining the body of the carrier with the number of seizing elements, c) providing a number of positioning elements suitable for retaining at least part of the attachment zone of the carrier and retaining the attachment zone with the number of positioning elements, d) moving the number of positioning elements, the number of seizing elements and the carrier retained thereby towards an elongated structure to which the carrier is to be attached, in particular such that the slot is in position for passaging the elongated structure through the slot from the exterior of the attachment zone to the receiving opening, e) bringing the deformable attachment zone from the initial configuration to a deformed configuration by applying a force, such that at least part of the attachment zone of the carrier, retained by the number of seizing elements and the number of positioning elements, deforms from the initial configuration to a deformed configuration, wherein the configuration of thedeformed slot in the deformed configuration allows the passaging of at least part of the elongated structure through the slot into the receiving opening, f) passaging at least part of the elongated structure through the deformed slot into the receiving opening of the attachment zone of the carrier, g) bringing the deformed attachment zone from the deformed configuration to a closed configuration, wherein in the closed configuration the configuration of the slot blocks the passage of the elongated structure through the slot from the receiving opening to the exterior of the attachment zone, thereby attaching the carrier for the agricultural aid to the elongated structure, wherein preferably the closed configuration is the initial configuration.

2. Method according to claim 1 , wherein the body of the carrier comprises a centre part, preferably having an essentially flat plane, and the attachment zone in the initial configuration comprises an essentially flat plane where the receiving opening is located, wherein in the initial configuration, the plane of the attachment zone is substantially in plane with at least part of the centre part of the body of the carrier.

3. Method according to any of the preceding claims, wherein in at least one deformed configuration at least part of the attachment zone is at least partially out of plane relative to the body of the carrier.

4. Method according to any of the preceding claims, wherein in step e) the attachment zone is transitioned from the initial configuration to a deformed configuration by pushing under a force at least part of the attachment zone to a part of the elongated structure to which the carrier is to be attached, such that the deformable attachment zone deforms from the initial configuration to a deformed configuration by applying said pushing force, wherein preferably at least during applying the pushing force the number of seizing elements and / or the number of positioning elements are provided under an angle with respect to the elongated structure to which the carrier is to be attached, and wherein the angle is preferably smaller than 90 degrees.

5. Method according to any of the preceding claims, wherein at least during step e) to step g) a number of seizing elements and a number of positioningelements retain a carrier on one and the same side of the carrier, in particular on one and the same frontal side of the carrier.

6. Method according to any of the preceding claims, wherein during or after step f) and / or during or after step g) the number of seizing elements and / or the number of positioning elements are substantially perpendicular to a longitudinal direction of an elongated structure to which the carrier is attached.

7. Method according to any of the preceding claims, wherein in step e) and / or step g) the attachment zone is transitioned from the initial configuration to a number of deformed configurations by displacement, in particular rotation, of the number of seizing elements and the number of positioning elements, with respect to each other.

8. Method according to any of the preceding claims, wherein a number of positioning elements have a receiving space, such as a groove, for receiving at least a part of an attachment zone, in particular at least part of the deformable part of the attachment zone, of a carrier and / or wherein a number of seizing elements have a receiving space, such as a groove, for receiving at least part of the body of the carrier.

9. Method according to claim 8, wherein the positioning element comprises a first leg having a body and a second leg having a body substantially parallel to the first leg, and a connecting bar in between positioned in the same plane, wherein the area spanned between the first and second leg and the connecting bar can receive at least part of the receiving opening of the attachment zone, and wherein connected grooves are provided in the first leg, the second leg and the connecting bar, wherein further preferably the groove in the first leg crosses the body of the first leg.

10. Method according to any of the claims 8-9, wherein the first leg is movable, preferably pivotable, relative to the connecting bar.11 . Method according to any of the preceding claims, wherein in step e) the number of seizing elements and / or the number of positioning elements aredisplaced, in particular rotated, with respect to the elongated structure to which the carrier is to be attached while at least part of the attachment zone of the carrier retained by the number of seizing elements and the number of positioning elements is in a deformed configuration, wherein in said deformed configurationd passaging of the elongated structure through the deformed slot to the receiving opening is possible.

12. Method according to any of the preceding claims, wherein in step g) the number of seizing elements and / or the number of positioning elements is dispaced, in particular rotated, with respect to the elongated structure to which the carrier is to be attached, while at least part of the attachment zone of the carrier retained by the number of seizing elements and / or the number of positioning elements deforms from the deformed configuration to the closed configuration.

13. Method according to any of the preceding claims, wherein the number of seizing elements and the number of positioning elements are displaceable relative to each other between a number of unaligned positions, preferably 1 or 2 unaligned positions, more preferably a single unaligned position and a number of aligned positions, preferably a single aligned position.

14. Method according to claim 13, wherein the carrier is first retained by the number of seizing elements in an unaligned position and after that the seizing elements and positioning elements are displaced from the unaligned position, in which the carrier is retained, to an aligned position, while during the aligning displacement the attachment zone is retained by the number of positioning elements, wherein the aligning displacement is performed prior to or during step b) and / or prior to or during step c).

15. Method according to any of the preceding claims, comprising step h) of providing connecting elements for connecting parts of the body of the attachment zone and locking the attachment zone in a closed configuration with the connecting elements, wherein step h) is performed after step g).

16. Method according to any of the preceding claims, comprising step i) of releasing the body of the carrier from the number of seizing elements and releasingthe attachment zone from the number of positioning elements and moving the number of seizing element and the number of positioning elements in a direction away from the elongated structure after the carrier is attached to the elongated structure.

17. Method according to claim 16, wherein first the attachment zone is released from the number of positioning elements and thereafter the body of the carrier is released from the number of seizing elements.

18. Method according to claim 16, wherein first the body of the carrier is released from the number of seizing elements and thereafter the attachment zone is released from the number of positioning elements.

19. Method according to any of the claims 16-18 and any of the claims 13-14, comprising an unalignment step, wherein during step i) the number of seizing elements and the number of positioning elements displace relative to each other from an aligned position to an unaligned position and wherein during the unalignment step the attachment zone is released from the number of positioning elements retaining it.

20. Method according to any of the preceding claims, comprising step j) of detecting one carrier from a batch of carriers by at least one primary detector, wherein step j) is performed prior to step b) or step c).21 . Method according to claim 18, comprising step k) of selecting one detected carrier from a batch of carriers by a number of seizing elements and / or a number of positioning elements, wherein step k) performed simultaneously with or after step j).

22. Method according to any of the preceding claims, comprising step I) of detecting an elongated structure to which the carrier is to be attached by at least one secondary detector.

23. Method according to any of the preceding claims, wherein at least steps a) to g) are iterated for attaching a plurality of carriers to a number of elongated structures.

24. Method according to any of the preceding claims, wherein a number of seizing elements is suitable for retaining at least part of the body of the carrier by means of suction, in particular vacuum suction, and / or clamping.

25. Method according to any of the preceding claims, wherein a number of positioning elements is suitable for retaining the attachment zone of the carrier by means of suction, in particular vacuum suction, and / or clamping.

26. Attachment arm, suitable for attaching a carrier for an agricultural aid to an elongated structure, such as a cable, a wire or an elongated plant structure, in particular a branch, stem or stalk, said carrier having a body comprising a carrying element for carrying an agricultural aid, such as a pest control agent, and an attachment zone for attachment to an elongated structure, wherein said attachment zone comprises a receiving opening for receiving the elongated structure, and a slot connecting the receiving opening with the exterior of the attachment zone, wherein at least part of the attachment zone is deformable under a force for allowing at least the slot to deform between an initial configuration and a number of deformed configurations, wherein the configuration of the slot in the initial configuration differs from the configuration in the number of deformed configurations, preferably such that the size of the slot is smaller in the initial configuration than in the number of deformed configurations, the attachment arm comprising:- a seizing structure, comprising a number of seizing elements for retaining at least part of the body of the carrier,- a positioning structure, comprising a number of positioning elements for retaining at least part of the attachment zone of the carrier, wherein a number of positioning elements and a number of seizing elements have a number of aligned positions, wherein in a number of aligned positions of the number of seizing elements and the number of positioning elements, a free area is formed between the positioning structure and the seizing structure for leaving at least part of the receiving opening of the attachment zone of the carrier uncovered, when retained by the number of seizing elements and the number of positioning elements.

27. Attachment arm according to claim 26, wherein the number of seizing elements and the number of positioning elements apart from the aligned position have a number of unaligned positions and the seizing structure and positioning structure are designed to be displaceable relative to each other, such as by rotation and / or by a substantially linear displacement, to move the number of seizing elements and the number of positioning elements between the number of unaligned positions and the aligned position, wherein the device further comprises a number of drive systems configured to drive the displacement of the seizing structure and positioning structure between the number of unaligned positions and the aligned position of the number of seizing elements and the number of positioning elements.

28. Attachment arm according to any of the claims 26-27, wherein a number of positioning elements have a receiving space, such as a groove, for receiving at least a part of an attachment zone, in particular at least part of the deformable part of the attachment zone, of a carrier and / or wherein a number of seizing elements have a receiving space, such as a groove, for receiving at least part of the body of the carrier.

29. Attachment arm according to claim 28, wherein the positioning element comprises a first leg and a second leg with a position substantially parallel to the first leg, and a connecting bar in between the first and second leg, positioned in the same plane, wherein the area spanned between the first and second leg and the connecting bar can receive at least part of the receiving opening of the attachment zone, and wherein connected grooves are provided in the first leg, the second leg and the connecting bar, wherein further preferably the groove in the first leg extends across the body of the first leg.

30. Attachment arm according to any of the claims 28-29, wherein the first leg is movable, preferably pivotable, in the plane of the connecting bar and the second leg, such that it can move out of the substantially parallel position with the second leg, wherein preferably the positioning structure comprises a resilient element, such as a spring, connected to the first leg and a further part of the positioning structure, wherein said resilient element exerts a force directed to keep the first leg in the substantially parallel position.31 . Attachment arm according to any of the claims 26-30, further comprising a number of drive systems for rotating the number of positioning elements and the number of seizing elements relative to each other between aligned and rotated positions.

32. Attachment arm according to any of the claim 26-31 , wherein the support structure comprises mechanical driving means, such as a track, along which the seizing structure is displaceable, in particular for positioning a number of seizing elements and a number of positioning elements between the aligned configuration and an unaligned configuration.

33. Attachment arm according to claim 32, wherein the driving means and / or the seizing structure comprises locator elements for locating the seizing structure with respect to the support structure on predetermined locations.

34. Attachment arm according to any of the claims 26-33, wherein a number of seizing elements of the seizing structure are substantially in plane with a number of positioning elements of the positioning structure for retaining the carrier on the same side.

35. Attachment arm according to any of the claims 26-34, wherein at least one positioning element is a suction cup or a clamping element for retaining at least part of an attachment zone of a carrier.

36. Attachment arm according to any of the claims 26-35, wherein at least one seizing element is a suction cup or a clamping element for retaining at least part of the body of a carrier.

37. Attachment arm according to any of the claims 26-36 further comprising a connecting structure extending from the seizing structure and / or the positioning structure configured to be connected to a support structure of a device for attachment of a carrier of an agricultural aid to an elongated structure.

38. Device for attachment of a carrier of an agricultural aid, in particular a pest control carrier, to an elongated structure, such as a wire, a cable or an elongated plant structure, in particular a branch, stem or stalk, said device comprising:- a support structure;- an attachment arm according to any of the claims 26-38 connected to said support structure, preferably via a connecting structure;- a number of drive systems configured for displacing the seizing structure and / or the positioning structure in a direction away from the support structure suitable for bringing the carrier, when retained by a number of seizing elements and / or a number of positioning elements, towards an elongated structure to which the carrier is to be attached.

39. Device according to claim 38, wherein at least one drive system is connected to the support structure.

40. Device according to any of the claims 38-39, comprising at least one detector for detecting an elongated structure, in particular an elongated plant structure, to which the carrier is to be attached.41 . Device according to any of the claims 38-40, comprising a control unit, directly or indirectly, connected to at least one drive system and the detector, configured for controlling the at least one drive system, wherein the at least one drive system is configured to be activated when the detector detects an elongated structure to which the carrier is to be attached.

42. Use of the device according to any of the claims 38-41 for attaching a carrier of an agricultural aid, in particular a pest control carrier, to an elongated structure, such as a wire, a cable or an elongated plant structure, in particular a branch, stem or stalk.

43. Use of an attachment arm according to any of the claims 26-37 in the production of a device for attachment of a carrier of an agricultural aid, in particular a pest control carrier, to an elongated structure, such as a wire, a cable, rope or anelongated plant structure, in particular a branch, stem or stalk, wherein said device preferably is a device according to any of the claims 38-41 .

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