Complete set for a seed drill including at least one seeding unit, a door storage device and associated seed drill

Abstract

Assembly for a seed drill comprising at least one seeding element, storage device for a door and associated seed drill. The invention relates to an assembly for a seed drill comprising a seeding element and a hopper (2), the seeding element comprising a distribution device and a frame element connected to the distribution device, the distribution device comprising a sealed housing comprising a fixed part and a movable door (7) removable between an open position in which the door (7) is removed from the fixed part and a closed position, a distribution element for a plurality of granular elements arranged to distribute a plurality of granular elements in a discrete and singular manner, the assembly is characterized in that it comprises a storage device (9) for the door (7) configured to allow the removable mounting of the door (7) with the hopper (2) and / or the frame element in the open position of the door (7).Figure to be published with the abbreviation: Fig. 9.

Description

Title of the invention: Assembly for a seed drill comprising at least one seeding element, a storage device for a door and an associated seed drill

[0001] The present invention relates to the field of assemblies for a seed drill comprising at least one seeding element, the field of door storage devices and the field of seed drills.

[0002] The invention thus relates more generally to the field of single-seed sowing, also called precision sowing, that is to say, sowing seeds one by one in rows. Single-seed sowing finds its application in the cultivation of maize, beets, soybeans, or similar crops.

[0003] A precision seed drill generally consists of a frame onto which seeding units, most often between 4 and 12 or even more, are mounted using a parallelogram linkage. The spacing between these seeding units varies depending on the crop, preferably between 37.5 centimeters and 80 centimeters, but allows for the formation of clearly distinct rows. For this reason, it is common to refer to this type of planting as row cropping, as opposed to crops such as wheat where the spacing is much smaller.

[0004] In a known manner, a single-seed seed distribution device generally operates in the manner stated below.

[0005] A sealed, two-part housing comprises a perforated distribution disc, preferably driven by a motor, which forms a distribution element for a plurality of granular elements. The distribution disc divides the housing into two chambers with different air pressures, thus creating a pressure difference, which can be positive or negative, on either side of the perforated distribution disc. The housing is connected to a blower that allows the pressure difference to be adjusted according to the type of seed, the feed speed, and other parameters.

[0006] At the bottom of the perforated distribution disc, i.e., at the bottom of the housing, there is a reservoir area for granular elements, for example seeds, which is most often supplied by a hopper. These seeds are in contact with the rotating perforated distribution disc, which, as it rotates, carries the seeds one by one into its perforations.

[0007] The diameter and shape of the perforations in the distribution disc are designed to accommodate a single granular element, for example a seed; the retention of the granular element in the perforation is achieved by the difference in Pressure is exerted between the two sides of the distribution disc. The perforations are often bordered by special shapes, such as raised and / or recessed areas, designed within the distribution disc to guide and / or direct the seeds towards the perforation. These areas around the perforations are commonly called agitators.

[0008] Once the seeds are distributed into the perforations of the distribution disc, a selection system eliminates excess seeds to prevent duplicates, as several seeds can sometimes end up in a single perforation, which is undesirable. This selection can be achieved using teeth, brushes, or similar fixed devices located outside and / or inside the seed path. As a result, the excess seeds fall back into the reserve area.

[0009] Once the seeds have been selected, they are transported to the final distribution zone, which is generally located in the last quarter turn of the distribution disc, where the pressure difference is eliminated. This absence of pressure difference causes the seed to exit the perforation and the distribution system towards the ground. Seed ejection can be assisted by a roller that reduces the pressure difference and may also push the seed out of the perforation using small prongs.

[0010] In certain situations, the movable door of the sealed housing must be opened, for example to change the distribution disc and / or to carry out a cleaning and / or maintenance operation and / or empty the seeds and / or adjust the operating settings of the distribution device.

[0011] To do this, in the dispensing device, the operator unscrews the movable door from the fixed part by hand to a certain angle, for example, one-eighth of a turn. Once unscrewed and therefore in an open position, the operator has the movable door in their hands and generally places it on the ground to free their hands to work on the fixed part of the housing.

[0012] The movable door is therefore exposed to dust, dirt, etc. The operator may even inadvertently step on it, which can present a risk to his safety and obviously damage the movable door.

[0013] If he tries to balance it on the hopper lid, then it is not held in a stable and secure position, and risks falling to the ground, which will damage it and the components in the movable door.

[0014] The operator can, in theory, go and store the door in a storage box located at the front of the seed drill or on the tractor, but this solution is not practical, especially since he will have to do it for each seeding element; some machines can have about twenty, which is particularly tedious.

[0015] Publication EP4335271A1 illustrates these disadvantages by the fact that the door is totally removable and no storage solution is provided.

[0016] The present invention aims to overcome at least one of these drawbacks.

[0017] The invention aims to provide a door storage solution that is practical so that an operator can easily and quickly store the door when it is in an open position.

[0018] To this end, the invention relates to an assembly for a seed drill comprising at least one seeding element and optionally at least one hopper,

[0019] the seeding element comprising at least:

[0020] - a distribution device,

[0021] - a chassis element configured to be mounted on a beam chassis of the seed drill and being connected to the distribution device,

[0022] the distribution device comprising at least:

[0023] - a watertight housing comprising at least one fixed part and one movable door removable between an open position in which the door is removed from the fixed part and a closed position,

[0024] - a distribution element for a plurality of granular elements arranged to to distribute in a discrete and singular manner a plurality of granular elements, the distribution element being disposed inside the housing to separate the interior of the housing into a first chamber and a second chamber, which are distinct, the first chamber being configured to receive all or part of the plurality of granular elements, the door closing at least the first chamber or the second chamber in its closed position,

[0025] the fixed part or the door of the housing further includes an inlet for granular elements opening into the first chamber,

[0026] optionally the hopper being arranged to store a plurality of granular elements and being connected to the inlet of granular elements at least by means of conduction,

[0027] The assembly is characterized in that it further comprises at least one door storage device configured to allow the removable mounting of the door with the hopper and / or the frame element in the door opening position.

[0028] The invention also relates to a distribution device housing door for an assembly according to the invention, characterized in that it includes the second hooking element integrated into or disposed on the second external wall of the door.

[0029] The invention also relates to a hopper for an assembly according to the invention, characterized in that it includes the first attachment element integrated into or disposed on the first external wall of the hopper.

[0030] The invention also relates to a seeding element for an assembly according to the invention, characterized in that the chassis element comprises the first hooking element.

[0031] The invention also relates to a door storage device for an assembly according to the invention, characterized in that it comprises the first hooking element configured to be integrated into or disposed on the first external wall of the hopper and / or on the chassis element and the second hooking element configured to be integrated into or disposed on the second external wall of the door and being configured to be coupled with the first hooking element in the coupling position.

[0032] The invention also relates to a seed drill comprising at least the assembly including at least one seeding element, at least one hopper and a frame-beam, characterized in that the assembly is according to the invention.

[0033] The invention will be better understood from the following description, which relates to several preferred embodiments, given by way of non-limiting examples, and explained with reference to the accompanying schematic drawings, in which:

[0034] [Fig-1] [Fig.1] represents a perspective view of the distribution device according to the invention of a seed drill assembly according to the invention comprising a second attachment element in the form of a sleeve,

[0035] [Fig.2] [Fig.2] represents a perspective view of a door of the device distribution of [Fig. 1] including the second attachment element in the form of a sleeve,

[0036] [Fig.3] [Fig.3] represents a side view of the door of [Fig.2],

[0037] [Fig.4] [Fig.4] represents a perspective and underside view of the door of the [Fig.2],

[0038] [Fig.5] [Fig.5] represents a perspective view of a variant of the dispensing device door comprising the second latching element in the form of a sleeve and a second magnet,

[0039] [Fig.6] [Fig.6] represents a perspective view of a variant of an individual hopper of a seed drill assembly according to the invention without a first attachment element,

[0040] [Fig. 7] [Fig. 7] shows a side view of a variant of an individual hopper of a seed drill assembly according to the invention, with a first attachment element in the form of a hook,

[0041] [Fig.8] [Fig.8] represents a perspective view of a detail of [Fig.7] showing the first attachment element in the form of a hook,

[0042] [Fig.9] [Fig.9] represents a perspective view of the individual hopper of [Fig.7] and the door of [Fig.2] with the first and second hooking elements in the coupling position,

[0043] [Fig. 10] [Fig. 10] represents a perspective view of a variant of an individual hopper of a seed drill assembly according to the invention with a first attachment element in the form of a first magnet,

[0044] [Fig. 11] [Fig. 11] represents a perspective view of a variant of the intermediate hopper of a seed drill assembly according to the invention without a first attachment element,

[0045] [Fig. 12] [Fig. 12] shows a perspective view of an intermediate hopper variant of a seed drill assembly according to the invention with a first attachment element and the gate with the second attachment element, the first attachment element and the second attachment element are in the coupling position,

[0046] [Fig. 13] [Fig. 13] shows a perspective view of a seed drill assembly according to an embodiment variant of the invention comprising the individual hopper of [Fig. 7] and a distribution device comprising the gate illustrated in [Fig. 2],

[0047] [Fig. 14] [Fig. 14] represents a perspective view of a seed drill assembly according to an alternative embodiment of the invention comprising the intermediate hopper with the first attachment element in the form of a hook and the distribution device comprising the gate illustrated in [Fig. 2],

[0048] [Fig. 15] [Fig. 15] represents a perspective view of a seed drill assembly according to an alternative embodiment of the invention comprising the intermediate hopper of [Fig. 11], the distribution device comprising the gate illustrated in [Fig. 5] and the first attachment element in the form of the first magnet mounted on a chassis element.

[0049] An assembly for a seed drill comprises at least one seeding element 1 and optionally at least one hopper 2, 2',

[0050] the seeding element 1 comprising at least:

[0051] - a distribution device 3,

[0052] - a chassis element 4 configured to be mounted on a beam frame of the seed drill and being connected to the distribution device 3,

[0053] the distribution device 3 comprising at least:

[0054] - a watertight housing 5 comprising at least one fixed part 6 and a movable door 7 removable between an open position in which the door 7 is removed from the fixed part 6 and a closed position POFF,

[0055] - a distribution element for a plurality of granular elements arranged to to distribute a plurality of granular elements in a discrete and unique manner, the distribution element being disposed inside the housing 5 to separate the interior of the housing 5 in a first chamber and a second chamber, which are separate, the first chamber being configured to receive all or part of the plurality of granular elements, the door 7 closing at least the first chamber or the second chamber in its closed position POFF,

[0056] the fixed part 6 or the door 7 of the housing 5 further includes an inlet of granular elements opening into the first chamber,

[0057] optionally the hopper 2, 2' being arranged to store a plurality of granular elements and being connected to the inlet of granular elements at least by conduction means 8.

[0058] According to the invention, the assembly is characterized in that it further comprises at least one storage device 9 for the door 7 configured to allow the removable mounting of the door 7 with the hopper 2, 2' and / or the frame element 4 in the opening position of the door 7.

[0059] Advantageously, this configuration allows for the storage of the door 7 on certain components of the seeding element 1, thus placing it as close as possible to the operator. When removed from the fixed part 6 and during storage, the door 7 can be reversibly mounted on the hopper 2, 2' and / or on the frame element 4. It can then be reversibly removed from the hopper 2, 2' and / or the frame element 4, and, if necessary, reattached to the fixed part 6 in the closed position (POFF). As a result, the invention provides a practical storage solution for the door 7, allowing an operator to easily and quickly store the door 7 when it is in the open position. Other advantages also arise from the invention.Indeed, the operator does not need to move far or contort themselves between the seeding units 1 to store the door 7, resulting in time savings and increased practicality. The door 7 remains clean and is not on the ground. The solution is adaptable to all types of hoppers 2 and 2' and all types of machine configurations. Full access to the control box 5 is maintained with a complete opening when the door 7 is removed.

[0060] Preferably, the storage device 9 of the door 7 includes at least a first hooking element 10 integrated into or disposed on a first external wall 11, 11' of the hopper 2, 2' and / or of the frame element 4 and a second hooking element 12 integrated into or disposed on a second external wall 13 of the door 7 and configured to be coupled with the first hooking element 10 in a PC coupling position.

[0061] Advantageously, in this preferred example the storage device 9 allows the door 7 to be hung at the level of the hopper 2, 2' and / or the frame element 4. As a result, the solution provides safe and stable storage of the door 7. Assembly / disassembly has the advantage of being done without the use of tools.

[0062] Preferably according to a first embodiment, the first attachment element 10 includes a hook 14 and the second attachment element 12 includes a sleeve 15 into which the hook 14 is inserted in the coupling position PC so as to achieve a mechanical coupling.

[0063] Advantageously, industrialization is simple and inexpensive. Furthermore, the addition of the hook 14 does not result in any loss of volume at the hopper 2, 2'. Advantageously, the sleeve 15 can also perform another function for the operation of the distribution device 3. For example, the sleeve 15 can also serve as an air exhaust duct for the distribution device 3.

[0064] Preferably according to a second alternative embodiment, the first attachment element 10 comprises a first magnet 16 or a first magnetizable part and the second attachment element 12 comprises a second magnet 17 or a second magnetizable part, the first magnet 16 and the second magnet 17 or the first magnet 16 and the second magnetizable part or the first magnetizable part and the second magnet 17 being magnetized to each other in the coupling position PC so as to achieve a magnetic coupling.

[0065] Advantageously, industrialization is simple and inexpensive. Furthermore, the addition of the first magnet 16 or the first magnetizable part does not induce any loss of volume at the hopper 2, 2'.

[0066] Preferably, the invention extends to a second attachment element 10 which includes a sleeve 15 and a second magnet 17.

[0067] Preferably, the assembly comprises a single seeding element 1 associated with a single hopper 2, 2' individual or intermediate and a single storage device 9.

[0068] Alternatively, the assembly comprises a plurality of seeding elements 1 and a plurality of individual hoppers 2 and a plurality of storage devices 9, each seeding element 1 being associated with a hopper 2 so as to form a sub-assembly and comprising a dedicated storage device 9 for each door 7.

[0069] Advantageously, in both of the aforementioned cases, each door 7 is associated with a storage device 9. For example, during storage, each door 7 can be mounted by the storage device 9 on each hopper 2 or each door 7 can be mounted by the storage device 9 on each frame element 4. Preferably, each door 7 has a second hanging element 12 and each hopper 2 or each frame element 4 has a first hanging element 10.

[0070] Alternatively, the assembly comprises a plurality of seeding elements 1, a single central reservoir (not shown) and a plurality of intermediate hoppers 2', each seeding element 1 being connected to the central reservoir and a plurality of storage devices 9, each seeding element 1 being associated with a hopper 2' intermediate so as to form a subset and comprising a dedicated storage device 9 for each door 7.

[0071] Advantageously, in this configuration, during storage, each door 7 can be mounted by the storage device 9 on each frame element 4, or the plurality of doors 7 can be mounted by the storage device 9 on the intermediate hoppers 2'. In the latter case, each door 7 preferably has a second hanging element 12, and the intermediate hoppers 2' each have a first hanging element 10.

[0072] According to a possible variant not shown, the assembly may comprise a plurality of seeding elements 1, each associated with the same central reservoir and at least one storage device 9. This variant is not, however, compatible with all types of seeds, as some types of seeds require the use of intermediate hoppers 2'. In order to offer a more versatile solution, the solution with intermediate hoppers 2' is therefore preferred.

[0073] The invention also relates to a door 7 of a housing 5 of a distribution device 3 for an assembly according to the invention, characterized in that it includes the second hooking element 12 integrated into or disposed on the second external wall 13 of the door 7.

[0074] The invention also relates to a hopper for an assembly according to the invention, characterized in that it comprises the first attachment element 10 integrated into or disposed on the first external wall 1 of the hopper 2, 2'.

[0075] The invention also relates to a seeding element for an assembly according to the invention, characterized in that the chassis element 4 comprises the first hooking element 10.

[0076] The invention also relates to a storage device 9 for the door 7 for an assembly according to the invention, characterized in that it comprises the first hooking element 10 configured to be integrated into or disposed on the first external wall 11, 11' of the hopper 2, 2' and / or of the frame element 4 and the second hooking element 12 configured to be integrated into or disposed on the second external wall 13 of the door 7 and being configured to be coupled with the first hooking element 10 in the coupling position PC.

[0077] The invention also relates to a seed drill comprising at least the assembly including at least one seeding element 1, at least one hopper 2, 2' and a frame-beam, characterized in that the assembly is according to the invention.

[0078] The seeding element 1 comprises at least the distribution device 3 and the chassis element 4.

[0079] The hopper 2, 2' allows for the storage of granular elements, for example seeds or inputs in granular form. The hopper 2, 2' forms a container preferably closed by a lid 23.

[0080] The hopper 2, 2' can be individual, intermediate, or central. In the case of an individual hopper 2, it is associated with a single seeding unit 1 and is connected to the inlet. If a central reservoir is provided for storing the granular elements, the connection to the inlet is preferably made via an intermediate hopper 2' which is connected on one side to the inlet by conduits 8 and on the other side to the central reservoir by additional conduit-type conduits 8'. Alternatively, if only a central reservoir is provided without an intermediate hopper 2' forming a central hopper, then the connection to the inlet is made by other conduit-type conduits. Again, alternatively, an individual hopper 2 can be used in parallel with a connection between a central reservoir and the seeding units 1.In this configuration, both the individual hopper 2 and the central reservoir are connected to the seed inlet. Their use is then selective, depending on the type of seed being sown. It may be advantageous to use seed feeding via a central reservoir when sowing certain types of seeds and feeding via individual hopper 2 for sowing other types of seeds. These situations are defined by the characteristics of the seeds being sown, for example, their size or the presence or absence of coatings and / or treatments on the seeds. In this alternative configuration, the individual hopper 2 may have dimensions similar to the individual hoppers 2 used in the other configurations, or be smaller, for example, with dimensions similar to the intermediate hoppers 2'.

[0081] The distribution device 3 comprises the housing 5 and the distribution element, which is preferably usually in the form of a perforated distribution disc driven in rotation, preferably by a motor. The distribution disc separates the housing into two chambers, the first chamber and the second chamber, in which the air pressures are preferably different. The first and second chambers preferably have a substantially cylindrical shape. The door 7 preferably receives the distribution disc, but this example is not limiting.

[0082] The housing 5 comprises the fixed part 6 and the door 7, which is movable relative to the fixed part 6 and allows the housing 5 to be opened to provide access to its interior or closed. The door 7 thus assumes either an open position or a closed position (POFF). In the open position, the door 7 can be completely withdrawn from the fixed part 6. The door 7 is preferably cylindrical in shape and has a flat bottom.

[0083] The chassis element 4 is mechanically connected to the distribution device 3 preferably to the fixed part 6 of the housing 5. It preferably includes at least one parallelogram hook 31 configured to be connected to the beam chassis (not shown) and optionally a support cradle 30 configured to be connected to the hopper 2, 2'.

[0084] The conduction means 8 serve to connect the hopper 2, 2' to the first chamber (not shown) of the housing 5 and thus open onto the inlet (not shown). The conduction means 8 preferably comprises at least one conduit, and preferably a lower conduit (not shown) and an upper conduit 8a. The lower conduit opens into the first chamber via the inlet. The upper conduit 8a is intended to be connected to the hopper 2, 2' and to the lower conduit.

[0085] The storage device 9 has the function of allowing the door 7 to be mounted and dismounted reversibly on the hopper 2, 2' and / or on the chassis element 4.

[0086] In a preferred example, the storage device 9 preferably comprises a subassembly including the first attachment element 10 and the second attachment element 12. In this case, assembly / disassembly has the advantage of being tool-free. This example is not limiting, and other solutions could be envisaged, including those involving the use of tools, such as screw assembly.

[0087] The first hooking element 10 and the second hooking element 12 are intended to cooperate with each other in the coupling position PC and have the function of allowing the hooking of the door 7 to the hopper 2, 2' and / or to the chassis element 4.

[0088] The first external wall 11 of the hopper 2, 2' preferably has four lateral external faces 18, 19, 19', 20, a lower external face 21 and an upper external face 22. The upper external face 22 is preferably provided with the cover 23. The upper external face 22 may include an inlet 29 connected to the additional conduction means 8'. The lower external face 21 preferably includes an outlet 26 which may be connected to the conduction means 8 and in particular to the upper conduit 8a.

[0089] Preferably, the first hooking element 10 is mounted on the lower external face. This results in easy access when the operator is facing the dispensing device 3. Alternatively, the first hooking element 10 can be mounted on one of the lateral external faces, the upper external face, or on the cover.

[0090] The first external wall 11' of the chassis element 4 includes an external wall of the parallelogram of attachment 31 and / or of the support cradle 30.

[0091] Preferably, the first attachment element 10 is mounted on the outer wall of the attachment parallelogram 31 and / or the support cradle 30.

[0092] The second external wall 13 of the door 7 preferably has an overall circular cylinder shape with a bottom.

[0093] Preferably, the second attachment element 12 is mounted on the outside side of the bottom.

[0094] The first attachment element 10 and / or the second attachment element 12 can be fixed respectively to the first external wall 11, 11' and to the second external wall 13 by means of fixing.

[0095] In this case, the first attachment element 10 and the second attachment element 12 are parts added respectively to the door 7 and to the hopper 2, 2' and / or to the chassis element 4.

[0096] The hook 14 may include a mounting section 27 connected to the first outer wall 11 of the hopper 2, 2' and / or the frame element 4, for example by screwing, and an insertion section 28 which rests on the first outer wall 11 and extends vertically. The mounting section 27 may be U-shaped and the insertion section 28 may be tooth-shaped, centered on the base of the U.

[0097] The sleeve 15 preferably has a channel 24 into which the insertion section 28 of the hook 14 can be inserted.

[0098] The sleeve 15 is preferably an added part which is fixed to the second external wall 13 of the door 7 by screwing.

[0099] Channel 24 and insertion section 28 have complementary shapes for this purpose.

[0100] The first magnet 16 or the second magnet 17 are in the form of a square-shaped plate, for example.

[0101] The second magnet 17 is mounted on the outer wall 25 of the sleeve 15 for example by gluing or screwing.

[0102] The first magnetizable part is preferably a portion of the hopper 2 and / or the chassis element 4 which is made of ferromagnetic material.

[0103] The second magnetizable part is preferably a portion of the door 7 made of ferromagnetic material.

[0104] Figure 1 illustrates the distribution device 3 according to the invention of the seed drill assembly according to the invention. The distribution device 3 comprises the sealed housing 5 including the fixed part 6 and the removable movable door 7 which is in the closed position (POFF). In addition, the second attachment element 12 is disposed on the second outer wall 13 of the door 7 and is in the form of a sleeve 15. The sleeve 15 is an added part which is fixed to the second outer wall 13 of the door 7 by screwing. The conduction means 8 are also visible and are connected to the first chamber of the housing 5. The upper conduit 8a is provided to be connected to outlet 26 of hopper 2, 2' and to the lower conduit which leads to the inlet.

[0105] Figures 2 to 4 illustrate the movable door 7 visible in [Fig. 1] with the second latching element 12, which is arranged on the second outer wall 13 of the door 7 and is in the form of a sleeve 15. The sleeve 15 is an added part that is fixed to the second outer wall 13 of the door 7 by screwing. The sleeve 15 has the channel 24.

[0106] Figure 5 illustrates another possible variant of the door 7 with the second latching element 12, which is located on the second outer wall 13 of the door 7 and consists of a sleeve 15 and a second magnet 17. The sleeve 15 is an added part that is screwed to the second outer wall 13 of the door 7. The second magnet 17 is mounted on the outer wall 25 of the sleeve 15.

[0107] Figure 6 illustrates a variant of an individual hopper 2 of a seed drill assembly according to the invention without a first attachment element 10. The first external wall 11 of the hopper 2 has four lateral external faces 18, 19, 20, a lower external face 21 and an upper external face 22. The upper external face 22 is provided with the cover 23. The lower external face 21 includes the outlet 26 which can be connected to the conduction means 8.

[0108] Fig. 7 illustrates a variant of an individual hopper 2 of a seed drill assembly according to the invention with a first hooking element 10 in the form of the hook 14. This variant differs from that of Fig. 6 by the addition of the hook 14 which is mounted on the front lateral external face 18.

[0109] Figure 8 illustrates in detail the first attachment element 10 in the form of the hook 14. The hook 14 comprises the mounting section 27 mounted on the front lateral outer face 18 of the first outer wall 11 by screwing and the vertically extending insertion section 28 which rests on the front lateral outer face 18 of the first outer wall 11. The mounting section 27 has a U-shape and the insertion section 28 has the shape of a tooth centered on the base of the U.

[0110] Figure 9 illustrates the individual hopper 2 of Figure 7 and the door 7 of Figure 2 with the first latching element 10 and the second latching element 12 in the PC coupling position. The storage device 9 of the door 7 allows the door 7 to be removably mounted with the individual hopper 2.

[0111] Fig. 10 illustrates a variant of an individual hopper 2 of a seed drill assembly according to the invention with a first hooking element 10 in the form of the first magnet 16. This variant differs from that of Fig. 6 by the addition of a first magnet 16 which is mounted on the front lateral external face 18.

[0112] Figure 11 shows a perspective view of a variant of the intermediate hopper 2' of a seed drill assembly according to the invention without a first element attachment. The first external wall 11 of the intermediate hopper 2' has four lateral external faces 18, 19', 20, a lower external face 21 and an upper external face 22. The upper external face 22 is provided with the cover 23 and an inlet 29 connected to the additional conduction means 8'. The lower external face 21 includes the outlet 26 which can be connected to the conduction means 8 and in particular to the upper conduit 8a.

[0113] Figure 12 shows a perspective view of a variant of the intermediate hopper 2' of a seed drill assembly according to the invention, with a first attachment element 10 and the gate 7 with the second attachment element 12. The intermediate hopper 2' differs from that of Figure 11 by the addition of a first attachment element 10, which is mounted on the front side face 18. The first attachment element 10 and the second attachment element 12 are in the coupling position PC. The storage device 9 of the gate 7 allows the gate 7 to be removably mounted with the intermediate hopper 2'.

[0114] Figure 13 illustrates a seed drill assembly according to an embodiment of the invention, comprising in particular the individual hopper 2 of Figure 7 with the first attachment element 10 in the form of a hook 14 and a seeding element 1 comprising a frame element 4 and in particular the distribution device 3 comprising the door 7 illustrated in Figure 2 in the closed position POFF with a second attachment element 12 in the form of a sleeve 15. The individual hopper 2 is mounted on the frame element 4 forming a support cradle 30. The frame element 4 further comprises a parallelogram attachment 31 configured to be connected to the beam frame.

[0115] Figure 14 illustrates a seed drill assembly according to an embodiment of the invention comprising the intermediate hopper 2' with the first attachment element 10 in the form of a hook 14 and a seeding element 1 comprising a frame element 4 and in particular the distribution device 3 comprising the door 7 illustrated in Figure 2 in the closed position POFF with a second attachment element 12 in the form of a sleeve 15. The intermediate hopper 2' is mounted on the frame element 4 forming a support cradle 30. The frame element 4 further comprises a parallelogram attachment 31 configured to be connected to the beam frame.

[0116] Figure 15 illustrates a seed drill assembly according to an alternative embodiment of the invention, comprising the intermediate hopper 2' of Figure 11 and a seeding element 1, including in particular a frame element 4 and the distribution device 3, comprising the gate 7 illustrated in Figure 5 in the closed position (POFF), with a second attachment element 12 in the form of a sleeve 15 and a second magnet 17. The intermediate hopper 2' is mounted on the frame element 4, forming a support cradle 30 and the first attachment element 10 in the form of the first magnet 16 is mounted on the outer wall of this chassis element 4 forming the support cradle 30 and corresponding to the first outer wall 11'. The chassis element 4 further includes a parallelogram attachment 31 configured to be connected to the beam chassis.

[0117] Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications remain possible, particularly with regard to the composition of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims

1.

2. Demands Assembly for a seed drill comprising at least one seeding unit (1) and optionally at least one hopper (2, 2'), the seeding unit (1) comprising at least: - a distribution device (3), - a chassis element (4) configured to be mounted on a beam chassis of the seed drill and connected to the distribution device (3), the distribution device (3) comprising at least: - a watertight housing (5) comprising at least a fixed part (6) and a movable door (7) removable between an open position in which the door (7) is removed from the fixed part (6) and a closed position (POFF), - a distribution element for a plurality of granular elements arranged to distribute a plurality of granular elements in a discrete and singular manner, the distribution element being disposed inside the housing (5) to separate the inside of the housing (5) into a first chamber and a second chamber, which are distinct, the first chamber being configured to receive all or part of the plurality of granular elements, the door (7) closing at least the first chamber or the second chamber in its closed position (POFF), the fixed part (6) or the door (7) of the housing (5) further includes an inlet for granular elements opening into the first chamber, - optionally the hopper (2, 2') being arranged to store a plurality of granular elements and being connected to the arrival of granular elements at least by means of conduction (8), The assembly is characterized in that it further comprises at least one storage device (9) for the door (7) configured to allow the removable mounting of the door (7) with the hopper (2, 2') and / or the frame element 4 in the open position of the door (7). The assembly according to claim 1 is characterized in that the storage device (9) for the door (7) comprises at least one first a hooking element (10) integrated into or disposed on a first external wall (11, 11') of the hopper (2, 2') and / or of the frame element (4) and a second hooking element (12) integrated into or disposed on a second external wall (13) of the door (7) and configured to be coupled with the first hooking element (10) in a coupling position (PC).

3. Assembly according to claim 2, characterized in that the first hooking element (10) comprises a hook (14) and in that the second hooking element (12) comprises a sleeve (15) into which the hook (14) is inserted in the coupling position (PC) so as to achieve a mechanical coupling.

4. Assembly according to claim 2 or claim 3, characterized in that the first latching element (10) comprises a first magnet (16) or a first magnetizable part and the second latching element (12) comprises a second magnet (17) or a second magnetizable part, the first magnet (16) and the second magnet (17) or the first magnet (16) and the second magnetizable part or the first magnetizable part and the second magnet (17) being magnetized to each other in the coupling position (PC) so as to achieve magnetic coupling.

5. Assembly according to any one of claims 1 to 4, characterized in that it comprises a single seeding element (1) associated with a single individual or intermediate hopper (2, 2') and a single storage device (9).

6. Assembly according to any one of claims 1 to 4, characterized in that it comprises a plurality of seeding elements (1) and a plurality of individual hoppers (2) and a plurality of storage devices (9), each seeding element (1) being associated with a hopper (2) so as to form a subassembly and comprising a dedicated storage device (9) for each door (7).

7. Assembly according to any one of claims 1 to 4, characterized in that it comprises a plurality of seeding elements (1), a single central reservoir and a plurality of intermediate hoppers (2'), each seeding element (1) being connected to the central reservoir and a plurality of storage devices (9), each seeding element (1) being associated with an intermediate hopper (2') so as to form a subassembly and comprising a dedicated storage device (9) for each door (7).

8. Door (7) of housing (5) of distribution device (3) for an assembly according to any one of claims 2 to 7, characterized in that it comprises the second hooking element (12) integrated into or disposed on the second outer wall (13) of the door (7).

9. Hopper for an assembly according to any one of claims 2 to 7, characterized in that it comprises the first hooking element (10) integrated into or disposed on the first external wall (11) of the hopper (2, 2').

10. Seeding element for an assembly according to any one of claims 2 to 7, characterized in that the chassis element (4) comprises the first hooking element (10).

11. Storage device (9) for the door (7) for an assembly according to any one of claims 2 to 7, characterized in that it comprises the first hooking element (10) configured to be integrated into or disposed on the first external wall (11, 11') of the hopper (2, 2') and / or of the frame element (4) and the second hooking element (12) configured to be integrated into or disposed on the second external wall (13) of the door (7) and being configured to be coupled with the first hooking element (10) in the coupling position (PC).

12. Seed drill comprising at least the assembly comprising at least one seeding element (1), at least one hopper (2, 2') and a frame-beam, characterized in that the assembly is according to any one of claims 1 to 7.

Images