Suspension system
The suspension device addresses issues of slat breakage and detachment by central arrangement and resilient connection, enhancing spring properties and comfort through point-elasticity and adjustable damping, suitable for beds and furniture.
Patent Information
- Application Number
- DE102024116237
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2024-05-22
- Filing Date
- 2024-06-11
- Publication Date
- 2025-12-24
- Estimated Expiration
- 2044-06-11
AI Technical Summary
Existing suspension systems for beds and furniture face issues such as spring slats breaking or splintering under high bending moments, detachment from caps, and inadequate spring action due to slats striking a contact surface, particularly with long slats, compromising the suspension system's integrity and comfort.
A suspension device with a receiving section and a resilient connecting section that allows spring slats to be arranged centrally, reducing the need for large clearances and enabling both deflection and compression, featuring a point-elastic spring effect, adjustable damping, and flexible installation, using thermoplastic materials for durability.
Enhances the spring properties of the suspension system, improves comfort and ergonomic support, allows for adaptable firmness, and prevents slat detachment, ensuring stable and comfortable use even in limited spaces.
Smart Images

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Abstract
Description
[0001] The present invention relates to a suspension device for suspending at least one spring slat of a suspension system, in particular for use in a suspension system of a bed or a piece of furniture.
[0002] Suspension devices of the aforementioned type are particularly known as caps that serve to receive a spring slat at its end. These caps fix or hold the spring slats and also enable suspension. Consequently, the caps serve to attach spring slats of a suspension system to a piece of furniture or a frame, whereby the spring slats are attached to the furniture via the caps on opposing frame members or on opposite frame members. The spring slats engage with their end faces in the cavity of the respective caps. This generally results in a secure hold of the spring slats on the cap assembly.
[0003] It is also known that in the case of a bed or furniture suspension system, the sprung slats are rigidly connected to a frame or apron via non-springy connecting elements. The spring properties of the suspension system are then ensured solely by the sprung slats themselves. Furthermore, it is known to place the interconnected sprung slats onto a frame or apron without any corresponding connection to the frame or apron.
[0004] Below the spring slats, a clearance is required in the unclamped areas of the spring slat so that the spring slats can bend under pressure without hitting a disturbing surface.
[0005] In practice, however, it has been observed that the spring slats can break or splinter when bent or subjected to high bending moments, as the forces acting on the slats under load can no longer be adequately transferred to the substructure. This occurs particularly with very long spring slats, which can provide a suspension width of more than 1.4 m. The length of the spring slat can, if necessary, determine the width of the suspension. With these long spring slats, in addition to damage during use, especially due to the high bending moment, it has also been observed that when using end caps, the spring slats can detach from the caps during operation, thus compromising the spring properties of the suspension. Furthermore, an unwanted detachment of the spring slats from the caps can damage the entire suspension system.
[0006] Another problem arises from the fact that the spring slats can strike a contact surface on the underside of the spring suspension. In this case, the spring action is not sufficiently guaranteed.
[0007] DE 10 2015 218 061 B3 relates to a firmness adjustment device for a three-slat arrangement of a slatted frame for a bed, comprising a holding area and a support area, wherein the holding area has at least one receptacle through which at least one upper slat extends, and at least one retaining bracket for fixing the firmness adjustment device to the three-slat arrangement, which is adjustable between a closed position in which it overlaps at least one of the upper slats and closes the respective receiving chamber, and an open position in which it opens the respective receiving chamber along its circumference so that it is accessible through a circumferential opening, and wherein the respective retaining bracket is secured in the closed position by means of a locking device.
[0008] DE 298 10 728 U1 relates to a hardness control fitting for slatted bed bases consisting of two spring slats running at the top, at a defined distance to guide a hardness control slider, and a third spring slat running downwards, offset centrally between the upper slats, which serves as a stop slat for a hardness control slider.
[0009] FR 2 693 642 A1 relates to a device for the central suspension of a slatted frame with pre-bent slats between the longitudinal beams of the frame of the slatted frame.
[0010] DE 93 18 233 U1 relates to a coil spring mattress in the form of a slatted frame, the slat-shaped springs of which are made of wood and / or plastic are connected to the slatted frame frame at their free ends via fastening means, wherein in at least one zone of the coil spring mattress wooden slats are arranged one above the other with a clear vertical distance and are connected to each other to form a spring group.
[0011] DE 20 2013 104 754 U1 relates to an upholstered furniture spring slat for supporting a mattress or upholstered pad on a seat or reclining furniture, with at least one solid core profile bar and a support profile made of plastic, which has a wide contact surface on its upper side.
[0012] The object of the present invention is now to avoid or at least substantially reduce the aforementioned disadvantages of the prior art.
[0013] The aforementioned problem is solved by a suspension device according to claim 1. The dependent claims represent preferred embodiments of the suspension device.
[0014] The suspension device according to the invention is provided for the suspension, and in particular also for the support, of a spring strip of a sub-suspension.
[0015] Preferably, the suspension device serves to cushion the spring slat and consequently also contributes in particular to an improvement in lying comfort.
[0016] In particular, the suspension device according to the invention is used for the suspension of a bed or a piece of furniture.
[0017] The suspension device has a support section for placement on or above a support surface of the bed or furniture.
[0018] For the purposes of the present invention, "furniture" means, in particular, any furnishing item that has a seating and / or lying surface. "Bed" means, in particular, any furnishing item with a lying surface.
[0019] The contact surface can be designed as a continuous, closed surface or as a plate. Unlike in the prior art, no particularly large clearance is required below the spring slats; instead, the spring slats can be arranged with or at a distance from the contact surface that corresponds, in particular, at least substantially to the height of the suspension device. The suspension properties, which previously could only be achieved by deflection of the spring slats, can now be achieved not only by deflection of the spring slats but also by compression of the suspension device. In this way, deflection of the spring slats can be reduced, which also reduces the distance between the spring slats and the contact surface. The suspension device according to the invention preferably prevents the spring slats from striking the contact surface during use.
[0020] Furthermore, the suspension device comprises a receiving section for mounting on the spring strip and a resilient connecting section between the receiving section and the support section. The receiving section and the support section may be resilient, but this is not mandatory. The resilient properties of the suspension device can be ensured, in particular, by means of the connecting section. The connecting section may, in particular, be flexible and / or elastic, at least in certain areas.
[0021] According to the invention, the receiving section has a spring strip opening on at least part of its two longitudinal sides for arranging the spring strip. The longitudinal sides of the receiving section are, in particular, those sides through which spring strips can be guided in the assembled state, so that the longitudinal sides of the receiving section can face the longitudinal direction of the spring strip.
[0022] Unlike the caps known from the prior art, the suspension devices according to the invention do not serve to receive an end face of the spring strip, but are arranged in the central area – i.e., in the area between the end faces of the spring strip. Therefore, the spring strip can extend beyond both longitudinal sides of the receiving section when assembled.
[0023] This design can result in the receiving area being open on both sides, particularly on its longitudinal sides facing the direction of the spring strip. The opening of the receiving area is to be understood as allowing the spring strip to be positioned through it. The opening is therefore a through-opening. In this way, the receiving area is preferably accessible to the spring strip on both of its longitudinal sides such that, in the assembled state, the spring strip projects from both longitudinal sides of the suspension device.
[0024] In particular, the spring strip opening of the receiving area can be designed to be at least partially open or completely closed with respect to its cross-section, so that in particular the spring strip can be partially and completely surrounded by the receiving area, at least in the area where the suspension device is arranged around and / or on the spring strip.
[0025] The spring properties of the entire suspension system can be improved by means of the suspension device according to the invention. In particular, the suspension device enables a point-elastic spring effect to be achieved, thereby improving the lying comfort and the overall ergonomic properties of the suspension system.
[0026] Preferably, the receiving area can be designed as an open or closed profile, in particular as a U- or C-profile. The open or closed profile design ensures, in particular, that the spring strip is completely or partially surrounded by the spring mechanism when installed.
[0027] The suspension device is preferably detachably connected to the spring strip. This allows the position of the suspension device on the spring strip to be changed as needed, enabling optimal adjustment of the desired damping effect for the user. A detachable arrangement of the suspension devices on the spring strips ensures that the entire suspension system can adapt optimally to different conditions or spatial circumstances. In particular, the number of spring strips for a given length can be increased or decreased as required, offering the customer a high degree of flexibility.
[0028] Furthermore, the separate provision of the suspension devices significantly simplifies the installation of a sub-suspension, especially since the spring slats and the suspension devices can be connected to each other relatively easily.
[0029] In particular, the spring mechanism can be attached to different points on the spring strips, allowing the spring action to be adjusted over different distances. This makes it possible, preferably by means of defined markings on the spring strip, to provide different levels of firmness or elasticity using the same spring strip. The previously described releasable locking mechanism also allows the elasticity level of each spring strip to be changed subsequently, if necessary.
[0030] A point-elastic suspension is particularly advantageous when multiple suspension devices are used. In the context of the present invention, a point-elastic suspension is understood to yield precisely at the point where pressure is applied. This allows it to adapt flexibly to sitting and sleeping positions and enables an ergonomically correct spinal posture. Muscles, joints, and intervertebral discs are relieved, thus minimizing the risk of tension and back pain. Depending on weight and body zones, the body and body parts sink in to varying depths due to the different levels of pressure. This is particularly important for side sleepers, ensuring that the shoulders and pelvis receive the necessary relief and that the spine maintains its natural alignment.
[0031] The invention now makes it possible to significantly improve the entire suspension system with regard to its use and flexibility during installation.
[0032] Furthermore, the invention makes it possible to use a sprung base with sprung slats even in areas where the use of sprung slats was previously impossible, for example, due to limited installation space. This applies particularly to cases where the sprung base is to be arranged on a support surface, such as a board under the seat or sleeping surface of a piece of furniture or a bed, which is only a small distance from the cushion to be placed on the sprung base. In practice, this leads to the problem described above, namely that the sprung slats quickly come into contact with the support surface (board), and the spring effect can thus be lost. Such cases frequently occur in motorhomes, caravans, furniture, upholstered beds, seating furniture, etc.According to the invention, it is possible to provide a stable, resilient suspension system with a high level of comfort by optimizing the spring behavior of the spring slats. Ultimately, the suspension system ensures, in particular, that an additional spring effect can be achieved over a specific distance.
[0033] Furthermore, it is advantageous that the suspension system can be used in all furniture with a base and / or support surface or other means of downward support, preferably in beds, armchairs, and chairs – especially in caravans, where a low-profile design is particularly desirable. The suspension system, with sprung slats and caps for lateral mounting of the slats, can also be used as loose cushions when fully upholstered.
[0034] In particular, the connecting section has spring-like properties. This design of the connecting section offers the advantage that, when the spring mechanism is used in a sub-spring system, spring behavior can be ensured directly by the spring mechanism itself. In addition to the spring slats around which the spring mechanism can be arranged, the spring mechanism itself can thus also provide damping or spring action during use. Overall, this improves the spring characteristics of the entire sub-spring system.
[0035] According to the invention, the receiving section has at least one engagement means for engaging an opening and / or recess in the spring strip. In particular, the engagement means connects the spring strip to the receiving section in a positive-locking and / or friction-locking manner, preferably by securing the spring strip. Preferably, the engagement means is designed as a detent projection that can be engaged with the spring strip. Particularly preferably, the engagement means has two engagement detent legs that are spaced apart from each other by a clear distance extending over the length of the engagement detent legs. The engagement detent legs can be pressed against each other to engage the detent, in particular whereby a certain degree of flexibility between the engagement detent legs can be provided by the spacing of the engagement detent legs.In this way, a connection between the engagement locking arms and the spring strip can also be easily ensured, preferably by simplifying the insertion into the spring strip.
[0036] According to the invention, the receiving section has a support area facing the connecting section for supporting the spring strip and / or the receiving section has an overlap area opposite the support area on at least one end side, in particular on both end sides, for covering the spring strip.
[0037] The overlap area can cover at least a section of the spring strip. Furthermore, the overlap area can be connected to the support area by a hinge. In particular, the hinge, preferably designed as a film hinge, is arranged between the support area and the overlap area and serves especially to actuate the overlap area. Thus, the overlap area can be pivoted open to accommodate the spring strip as needed with the aid of the hinge, and subsequently, after the spring strip has been positioned on the support area, the overlap area can be pivoted back so that the overlap area can then be positioned opposite the support area beneath the intermediate arrangement of the spring strip. The overlap area is particularly preferably designed as a locking or spring-loaded leg for interaction with the spring strip.
[0038] The support area serves primarily to support the underside of the spring strip, so that a fiber core and the legs of the spring strip can preferably be arranged within the support area. The support area can therefore also form the underside of the receiving section. Furthermore, the support area can transition into the connecting section or be designed as part of the connecting section. In particular, the connecting section adjoins the support area directly and is preferably rigidly connected to it.
[0039] Preferably, the outer surface of the support area facing the spring strip is designed to be at least substantially complementary to the outer shape of the spring strip. In this way, the support area can conform to the spring strip, particularly to its underside, and preferably rests directly against it, so that, preferably, there is no large gap to the spring strip across the width of the support area in the assembled state, and in particular no gap greater than 10 mm. Specifically, the receiving section rests against and / or abuts the underside of the spring strip across its entire width, which extends particularly transversely to the longitudinal direction of the spring strip.Furthermore, a direct installation can ensure that the forces acting on the spring strip can also be introduced into the substrate, in particular into the bearing surface, via the spring device in the central area of the spring strip.
[0040] Preferably, the bearing area has a central recess for receiving and / or arranging the fiber core of the spring strip. In particular, the spring strip is thicker in the area of the fiber core, or has a greater thickness than in the two end regions of the spring strip, which are formed in particular by the strip legs. The recess of the bearing area also enables the spring strip to be centered in the receiving section and thus ensures correct positioning of the spring mechanism on the spring strip. The recess can, in particular, have a cross-section that is at least substantially semicircular, with the spring strip in the area of the fiber core having a cross-section that is at least substantially circular. Accordingly, the recess can be located on the lower half of the fiber core of the spring strip and / or surround this area at least partially.
[0041] An actuating section can preferably be arranged on the overlapping area, which in turn can be designed to actuate the joint and / or the overlapping area. The actuating section can be operated, in particular, by the hand or one or more fingers of a user.
[0042] The overlapping area can extend, in particular, over the entire width of the spring strip, thus connecting the two end faces of the support area. In this embodiment, only one hinge is required at at least one end face of the support area. In a further embodiment, two overlapping areas can be provided, each extending over a portion of the width of the spring strip. In this preferred embodiment, two hinges are provided, one for each overlapping area.
[0043] The joint can be formed, in particular, in an end-face region of the receiving section. This end-face region can, in particular, connect the bearing area with the overlapping area. It is especially preferred that the end-face region is straight or curved, in particular arc-shaped, and projects, in particular transversely, from the bearing area, so that an opposing arrangement of the overlapping area and the bearing area is possible. The overlapping area can, in particular, also connect directly to the end-face region. This design can, in particular, ensure a C- or U-profile for the receiving section.
[0044] Preferably, the overlapping area can be arranged at least essentially parallel to the recording area.
[0045] Furthermore, the overlap area can extend over at least 3%, preferably between 4% and 40%, and more preferably between 5% and 30% of the length of the bearing area, and thus, in particular, cover at least a portion of the spring strip. The total length of the bearing area can, in particular, correspond to the width of the spring strip.
[0046] The intervention device can be positioned either directly at the overlapping area or at the bearing area.
[0047] The intervention device can be functionally designed as a push button, which is particularly preferred.
[0048] In a first preferred embodiment, the engagement means is arranged on the underside, facing the spring strip, at the overlapping area. In a second embodiment, the engagement means can be arranged on the upper side, facing the spring strip, at the bearing area. In both embodiments, the engagement means can be firmly connected, in particular by a material bond, to either the overlapping area or the bearing area. In this way, the engagement means can be actuated as needed by actuating the joint. In this context, it is particularly preferred that the engagement means is arranged at the overlapping area.
[0049] In the second embodiment, however, the spring strip can be "clipped" onto the engagement means, with the optional joint then only being required to close the also optional overlapping area and to additionally secure the spring strip in the mounted position. In this embodiment, it can be easily ensured that the engagement means are inserted into the openings and / or recesses of the spring strip, since the spring strip can be positioned onto the respective engagement means and connected to them by applying appropriate pressure.
[0050] Both embodiments have advantages with regard to their respective assembly, whereby, depending on different installation situations, the engagement means is optionally arranged on the support area or on the covering area.
[0051] According to the invention, the bearing area has at least one locking opening for passing through the engagement means, or the covering area has at least one locking opening for passing through the engagement means.
[0052] In particular, the locking mechanism ensures that the receiving section is locked to the engagement element. Alternatively or additionally, it can be provided that the engagement element, when connected, engages behind the locking mechanism.
[0053] The locking opening can, in particular, ensure that the receiving section is locked to the engagement section and, especially, interact with the engagement element, which is preferably guided through the spring strip. Alternatively or additionally, it can be provided that the engagement element, in the connected state, engages behind the locking opening. The locking opening now allows the engagement element arranged on the receiving section to also engage behind parts of the spring assembly as such, and not only the spring strip. In this way, the stability of the spring strip supported by the spring assembly can be increased. In particular, unwanted displacement of the spring strip relative to the spring assembly can be prevented, at least to a substantial extent, since the engagement element, which is firmly connected to the spring strip, can simultaneously interact with the locking opening by passing through it.
[0054] The locking opening is specifically formed at the contact area when the engagement element is located at the overlap area. However, if the engagement element is located at the contact area, it is preferred that the locking opening be located at the overlap area. In this way, in both embodiments, the contact area and the overlap area can be connected to each other via the engagement element, ensuring that the spring strip is locked in place.
[0055] It is understood that, preferably in a suspension device, the detent openings and the engagement means are arranged on the same component, namely in particular on the bearing area or the overlap area, especially for both engagement means.
[0056] In a further embodiment, both engagement means can be provided on different components. For example, a suspension device can be provided which has an engagement means arranged on the overlap area that interacts with a detent opening formed on the support area. At the opposite end of the support area, an engagement means arranged on the overlap area can also be provided, which interacts with a detent opening of the support area.
[0057] In principle, the arrangement of the locking openings and / or the engagement devices can be adapted to suit any customer needs and / or assembly conditions.
[0058] In a further preferred embodiment of the present invention, the connecting section comprises at least two spring elements having a closed cross-section. The spring elements are, in particular, elastic and / or flexible. Ultimately, the spring action of the suspension device can be ensured by means of the spring elements. A spring element can, in particular, have a closed cross-section and, more preferably, be designed as an open hollow body.
[0059] In particular, at least one spring element is connected directly or via at least one connecting web to the support section and / or the receiving section. The connecting web may be resilient, but this is not required. If necessary, the spring element may also form a section of the support section or the receiving section.
[0060] If several spring elements are provided, they can be connected to each other directly or via at least one connecting web. If required, the spring elements can also be directly connected to each other; preferably, the spring elements can merge seamlessly into one another.
[0061] Furthermore, it can be provided that at least one spring element forms and / or comprises at least part of the support section. Accordingly, the support section can also exhibit spring-like properties, and the spring device can be optimized with regard to its size.
[0062] Preferably, a plurality of spring elements can be provided, for example two spring elements. Depending on the span, however, more spring elements may also be provided.
[0063] Preferably, an inner spring element of the connecting section is surrounded and / or enclosed by an outer spring element. This design ensures, in particular, a low profile for the spring assembly while improving its spring behavior. In this context, a cross-section for the inner and / or outer spring element that is at least substantially elliptical is preferred. The shape of the inner spring element can, in particular, correspond to the shape of the outer spring element. Tests conducted during the development of the invention have shown that an elliptical cross-sectional shape enables improved spring behavior during long-term use. With this shape, the risk of damage due to excessive material stress can be at least substantially prevented.
[0064] A symmetrical design of the suspension device is particularly preferred, in order to enable at least substantially the same suspension in different directions of movement. In particular, the suspension device is at least substantially symmetrical, preferably mirror-symmetrical, with respect to at least one axis of symmetry, especially a mirror axis. A symmetrical design of the suspension device also simplifies manufacturing and assembly, since the suspension device can be used at different points on the spring strip and provides appropriate suspension at each location.
[0065] Furthermore, a symmetrical design of the suspension device can improve or enable lateral rotation of the spring slats during use.
[0066] In a further preferred embodiment, the connecting section has a greater width in its central region, in particular a width that is at least 5%, preferably between 10% and 100%, more preferably between 20% and 50%, greater than in the outer regions. The outer regions can adjoin the outer end faces and, in particular, extend over a height of at least 5%, preferably at least 10%, of the height of the connecting section. The central region can include the center point of the connecting section. In particular, the central region can extend over at least 5% to 45%, preferably between 5% and 25%, of the height of the connecting section. A reinforcement orA thickened design of the connecting section in the central area can ensure long-term use even under high material stress, particularly during compression of the suspension device. Tests conducted during the development of the invention revealed that the connecting section is subjected to high forces under corresponding loads, especially in the central area, and that the material is stressed. The preferably thickened design counteracts this material stress.
[0067] According to the invention, the choice of materials for the components of the suspension device can also be such that optimized damping and the transfer of forces acting on the suspension to the contact surface are achieved. In particular, the suspension device, the connecting section, the receiving section, the contact section, and / or the spring element can be made of or consist of a thermoplastic and / or elastic polymer. A thermoplastic elastomer made of thermoplastic polyether (TPEE) is particularly preferred. TPEE can ensure both sufficiently high elasticity and long-term use of the suspension device by reducing the risk of the material becoming brittle. TPEE is characterized by its excellent resistance to abrasion and its ability to withstand high mechanical loads.
[0068] In particular, the connecting section, the receiving section, and the support section can be formed in one piece and preferably made of the same material. A one-piece design allows for particularly simple manufacturing, preferably by injection molding and / or 3D printing. Furthermore, connection points that could act as a film hinge or potential point of failure can be avoided in this way. Therefore, the long-term use of the suspension device can be optimized according to the invention.
[0069] Furthermore, a spring strip with at least one opening and / or a recess for interaction with an engagement means of a suspension device according to one of the previously described embodiments is provided.
[0070] In particular, the engagement element, when attached to the spring strip, engages in the opening and / or the recess of the spring strip. Preferably, the engagement element engages behind the opening and / or recess.
[0071] Furthermore, the spring strip can have multiple openings and / or recesses spaced apart from each other along its length. The spring mechanism can therefore be arranged in different positions and, if necessary, repositioned. Moreover, the multiple openings or recesses in the spring strip preferably eliminate the need for different spring strips for different areas of the suspension. The spring behavior can be adjusted by changing the arrangement of the spring mechanisms. In particular, more spring mechanisms can be arranged in the central area of the suspension than in the outer areas.However, for the central area and the outer areas of the suspension system, structurally identical spring slats can be used, whereby more suspension devices are arranged on the spring slats in the central area and many of the openings and / or recesses of the spring slats in the outer areas of the suspension system can remain "free" or not be connected to a suspension device.
[0072] The spring strip, in turn, can have, in particular, a fiber core and a sheath surrounding the fiber core, especially made of a thermoplastic material. A slat, preferably made of a thermoplastic material, can project laterally from the sheath, especially on opposite sides. The spring strip thus ensures the spring properties of the suspension system. The fiber core can be designed, in particular, to absorb and transfer forces, with the sheath and the slats improving the spring properties of the entire suspension system.
[0073] The opening and / or recess is specifically located in and / or incorporated into the strip leg. In this way, the spring action of the spring strip is not weakened by the provided recesses and / or openings, or if weakened at all, only to a negligible extent. The force absorption and spring action of the spring strip are at least substantially fulfilled by the fiber core, which is not disrupted by the incorporated openings and / or recesses.
[0074] Furthermore, a sprung base is provided with at least one spring device according to at least one of the aforementioned embodiments and at least two spring slats, in particular according to at least one of the previously described embodiments. The spring slats are fixed at their respective end regions and at least indirectly connected to the support surface of the bed or furniture, in particular, the spring slats may be connected to the support surface via the spring devices. At their end regions, the spring slats may be connected at least indirectly to the support surface or to a frame and / or apron of the furniture or bed. In addition, the spring device(s) is / are arranged on the spring slats, with the spring device for springing the spring slat being arranged with its receiving section on the spring slat.
[0075] The spring slats used in the suspension system can, in particular, as described above, have a fiber core and a sheath surrounding the fiber core, preferably made of a thermoplastic material. A slat leg, preferably also made of a thermoplastic material, can project laterally from the sheath on opposite sides. Such a design of the spring slats is particularly advantageous with regard to their spring properties. The fiber core is designed to dissipate the forces that occur during use. The sheath and the slat legs can also ensure and further optimize the spring properties. Furthermore, a cost-effective spring slat can be provided, since the material of the slat legs and / or the sheath can differ from the more expensive material of the fiber core.
[0076] Preferably, the width of the spring strip is reduced in the longitudinal edge regions, particularly in the area of both strip legs. This reduction allows for a material-saving design of the spring strip, especially since the forces can be directed precisely into the central area of the spring strip where the fiber core is located.
[0077] In a further preferred embodiment, the spring suspension comprises at least one cap, the cap having a base body with a cap cavity, a cap support section for mounting the cap on a support surface, frame, and / or apron of a piece of furniture or a bed, and a cap connecting section between the base body and the cap support section. The cap facilitates, in particular, easy mounting of the spring slats and, furthermore, a detachable arrangement of the spring slats with sufficiently high fixation. The cap cavity is designed to receive the end face of a spring slat. Ultimately, the end face of the spring slat can be inserted into the cap cavity and preferably enclosed by it.
[0078] In particular, one spring strip is inserted into a cavity within a cap. Alternatively or additionally, it can be provided that both ends of the spring strip are inserted into a cavity within a cap.
[0079] It is therefore particularly preferred that two caps are provided per spring strip, with the spring strip being fixed at both ends in particular by the caps.
[0080] Accordingly, the cap cavity can be designed, in particular, to accommodate a section of the fiber core, the sheath, and the rib legs. The internal shape of the cap cavity can therefore correspond, in particular, to the outer cross-section of the end face of the spring rib.
[0081] In other embodiments, the spring strip can also be connected to the support surface, a frame, and / or a jamb in other ways; in particular, the spring strips can be placed, screwed, and / or nailed to the support surface, frame, and / or jamb. However, when making the connection, it is particularly important to ensure sufficient clearance for the spring strips, as they can move under load. Therefore, the specific connection of the spring strip to the frame or jamb ensures that the spring strip has limited movement under load in its longitudinal direction.
[0082] Preferably, between 2 and 10 spring elements are arranged in the central region of at least one spring strip, more preferably in the central region of several spring strips in the central region of the lower springing. In the central region of both the lower springing and the spring strip, the highest stresses and forces occur during operation, which can be introduced into the contact surface by the spring elements in this way. In particular, support of the spring strip in the central region is provided. The central region of the spring strip is provided, in particular, between the end faces and extends from the center point of the spring strip in both directions towards the respective end face, over a total of at least 10%, preferably at least 20%, and more preferably at least 50% of the length of the spring strip.
[0083] Finally, a piece of furniture or bed with a sprung base according to one of the aforementioned embodiments is provided. The sprung base is arranged on a support surface of the furniture or bed. Preferably, at least one cushion, in particular a mattress, is arranged on the sprung base.
[0084] The sprung base, together with the upholstery, enables comfortable sitting or lying for the user, whereby the forces acting on the upholstery are transferred via the sprung base to the support surface. In this way, a pleasant springiness of the bed or furniture can be achieved, which in turn can lead to a high level of comfort.
[0085] Further features, advantages and possible applications of the present invention will become apparent from the following description of exemplary embodiments with reference to the drawing and the drawing itself.
[0086] It shows: Fig. 1 a schematic perspective representation of a suspension device according to the invention, Fig. 2 a schematic front view of the in Fig. 1 shown in the invention as a suspension device, Fig. 3 a schematic side view of the in Fig. 1 shown in the invention as a suspension device, Fig. 4 another schematic perspective representation of the in Fig. 1 shown in the invention as a suspension device, Fig. 5 a schematic perspective representation of a spring suspension, Fig. 6 another schematic perspective representation of the in Fig. 5 shown suspension system, Fig. 7 a schematic perspective representation of a further embodiment of a non-inventive suspension device, Fig. 8 a schematic perspective representation of a further embodiment of a non-inventive suspension device, Fig. 9 a schematic perspective representation of a further embodiment of a non-inventive suspension device, Fig. 10 a schematic perspective representation of a further embodiment of a non-inventive suspension device, Fig. 11 a schematic top view of a spring strip, Fig. 12A a schematic perspective representation of another embodiment of a spring strip, Fig. 12B a schematic perspective representation of another embodiment of a spring strip, Fig. 13 a schematic perspective representation of a piece of furniture, Fig. 14 a schematic perspective representation of a bed, Fig. 15 a schematic perspective representation of another embodiment of a piece of furniture, Fig. 16 a schematic perspective representation of another embodiment of a bed, Fig. 17 a schematic perspective representation of a cap, Fig. 18 a schematic front view of the in Fig. 17 cap shown, Fig. 19 a schematic front view of a further embodiment of a suspension device according to the invention, Fig. 20 a schematic perspective representation of a further embodiment of a suspension device according to the invention, Fig. 21 a schematic front view of the in Fig. 20 illustrated suspension device according to the invention, Fig. 22 a schematic side view of the in Fig. 20 illustrated suspension device according to the invention and Fig. 23 a schematic front view of another embodiment of a suspension device according to the invention.
[0087] The Fig. Figure 1 shows a suspension device 1 for suspending at least one spring strip 2 of a sub-suspension 3. Neither the spring strip 2 nor the sub-suspension 3 are in the Fig. 1 shown. Fig. Figure 11 shows a spring strip 2 arranged in caps 23, whereas the sub-springing 3 is located, among other places, in the Fig. 5 is shown.
[0088] The Fig. Figures 2 to 4 show further views of the area. Fig. 1. Suspension device shown 1. In the Fig. Figures 7 to 10 are further non-inventive embodiments as well as in the Fig. Figure 19 shows another embodiment of the suspension device 1 according to the invention.
[0089] The Fig. Figure 6 shows another schematic perspective view of the in Fig. The suspension system 3 shown in Figure 5 is arranged on a support surface 35. Fig. Figure 16 shows that in addition to the support surface 35 a frame or a jamb 40 can be provided, which can also serve to arrange the springing 3.
[0090] The contact surface 35 is in the Fig. In the embodiment shown in Figure 5, the plate is designed as a continuous plate. The plate extends over the entire length and width of the springing 3. The clear distance between the support surface 35 and the underside of the spring strip 2, which faces the support surface 35, is in particular a maximum of 5 cm, preferably a maximum of 20 mm, and more preferably a maximum of 10 mm. Therefore, the clear distance between the support surface 35 and the spring strips 2 can be significantly reduced by using the springing devices 1.
[0091] The suspension devices 1 are therefore intended for use in a suspension system 3 of a bed 4 or of a piece of furniture 37.
[0092] The Fig. Figure 1 shows that the suspension device 1 has a support section 5 for arrangement on or above a support surface 35 of the bed 4 or the furniture 37, which is schematically represented in the Fig. 5 and Fig. 6 is shown.
[0093] Furthermore, it shows Fig. 1, that the suspension device 1 has a receiving section 6 for mounting on the spring strip 2 and a resilient connecting section 7 provided between the receiving section 6 and the support section 5. Ultimately, the connecting section 7 connects the receiving section 6 to the support section 5 and thus enables the force to be introduced or transmitted into the support surface 35. The connecting section 7 can, in particular, transition directly into the receiving section 6 or the support section 5, or at least partially, preferably completely, form it. In particular, a smooth transition between the receiving section 6, the connecting section 7, and the support section 5 is provided.
[0094] Furthermore, the Fig. 1 in a first and the Fig. 4 in a further view, that the receiving section 6 has, at least partially on its two longitudinal sides 8, 9, a spring strip opening 10 for arranging the spring strip 2. The spring strip opening 10 serves to insert the spring strip 2 and ultimately faces the longitudinal direction of the spring strip 2. Thus, the longitudinal sides 8, 9 also face the longitudinal direction of the spring strip 2. In the fastened state, the spring strip 2 extends beyond both longitudinal sides 8, 9, which is shown in the Fig. 5 is shown.
[0095] In the assembled state, the spring strip 2 is guided through the receiving section 6 and is enclosed by the receiving section 6 at least on its underside facing the support surface 35. Fig. Figure 5 shows that the receiving section 6 can also enclose and / or surround the spring strip 2 at least partially on its upper side. The spring strip 2 is therefore enclosed at least partially within the receiving section 6.
[0096] The Fig. Figure 2 shows that the spring strip opening 10 is partially open, namely upwards, with respect to its cross-section. In further embodiments, the spring strip opening 10 can be completely closed with respect to its cross-section. The receiving section 6 can, in particular, be designed as a profile section.
[0097] For interaction with the spring strip 2, the receiving section 6 can have at least one engagement means 11. The engagement means 11 can interact with the spring strip 2, in particular with an opening 41 or recess of the spring strip 2, in a form-fit and / or force-fit manner. An opening 41 of the spring strip 2 is shown schematically in the Fig. Figure 11 illustrates this. The engagement means 11 enables the spring strip 2 to be detachably arranged on the suspension device 1, so that, in particular, the suspension device 1 can be adjusted on the spring strip 2 as needed, even when mounted. Preferably, the engagement means 11 is designed as a locking element, in particular a locking projection, or for locking with the spring strip 2. In the connected state, the engagement means 11 is guided by and / or engages with the spring strip 2. Consequently, the engagement means 11 is designed to engage an opening 41 and / or recess in the spring strip 2. The opening 41 of the spring strip 2 can, in particular, be closed at its outer edge or have a circumferential outer edge. In contrast, the recess can be designed as an open opening and / or notch in the spring strip 2, which is not shown in detail.
[0098] The opening 41, or the recess in the spring strip 2, is designed to correspond to the engagement element 11, ensuring the desired connection between the spring assembly 1 and the spring strip 2. The opening 41, or the recess, is integrated into the spring strip 2 in such a way that its functionality is not substantially impaired. Ultimately, the opening 41, or the recess, is designed to interact with the engagement element 11.
[0099] The intervention means 11 can connect the spring strip 2 to the receiving section 6 in a form-fitting and / or friction-fitting manner.
[0100] The Fig. Figure 2 shows that the engagement element 11 is ultimately designed as a detent projection and is specifically intended for engaging behind the spring strip 2. For this purpose, the engagement element 11 can have two engagement detent legs 12, as can be seen from the Fig. 2 emerges. To lock, the engagement locking arms 12 can be pressed against each other and thus guided through the spring strip 2.
[0101] In the unloaded state, the engagement locking arms 12 are spaced apart from each other by a clear distance extending over the length of the engagement locking arms 12, as shown by the Fig. 2 and Fig. Show 4.
[0102] The Fig. 1 and Fig. Figure 2 shows that the receiving section 6 has a support area 13 facing the connecting section 7 for supporting the spring strip 2. The underside of the spring strip 2 is arranged against this support area 13, preferably by the underside bearing directly against the support area 13.
[0103] The outer surface of the support area 13 facing the spring strip 2 is designed to be at least substantially complementary to the outer shape of the spring strip 2, so that, preferably, the receiving section 6 rests against or abuts the underside of the spring strip 2 over its entire width. Accordingly, different spring devices 1 can be provided depending on the spring strips 2.
[0104] The Fig. Figure 4 shows that the support area 13 has a central recess 32 for receiving and / or arranging the fiber core 33 of the spring strip 2. Not only the fiber core 33, but also the sheath 29 surrounding the fiber core 33 can be arranged in the recess 32. Finally, the recess 32 can be designed to receive the central area of the spring strip 2, which, according to the [reference to figure], Fig. In the embodiment shown in 12B, the fiber core 33 is thicker, thus creating the depression 32.
[0105] The Fig. Figure 4 further shows that the recess 32 is at least essentially semicircular in cross-section. Depending on the shape of the spring strip 2, other shapes are also possible in this context.
[0106] At the in Fig. In the embodiment shown in Figure 1, the receiving section 6 has, at least on one end side 14, 15, and in particular on both end sides 14, 15, an overlapping area 16 opposite the support area 13 for covering the spring strip 2. In the operating state, the overlapping area 16 can directly adjoin or conform to the upper surface of the spring side 2.
[0107] Fig. Figure 2 shows that both overlapping areas 16 are opposite the support area 13 and are ultimately intended to interact with the spring strip 2. For the arrangement of the spring strip 2, the overlapping area 16 can be pivoted or swung away. A joint 17 can be used for pivoting, which is located in the Fig. 2 is depicted as a film hinge.
[0108] The joint 17 ultimately serves to actuate the covering area 16 and is furthermore provided between the support area 13 and the covering area 16.
[0109] In a further embodiment, the joint 17 can be omitted, particularly if the suspension device 1 in the receiving section 6 is designed as a tunnel and / or with a continuous overlap area 16 that connects both end sides 14, 15 of the support area 13. In this embodiment, the spring strip 2 can be pushed through the receiving section 6.
[0110] Fig. Figure 8 shows that the overlap area 16 is designed as a locking leg or spring leg for interaction with the spring strip 2. In the Fig. In the embodiment shown in section 8, the connection between the suspension device 1 and the spring strip 2, which is located in the Fig. 8, which is not shown, is ensured by the design of the overlap area 16. The spring strip 2 can be clamped in the receiving section 6, preferably by a positive and / or force-fit connection to the spring strip 2 ensured by the overlap area 16. A joint 17 for actuating the overlap area 16 can optionally be provided. In particular, the overlap area 16 can press against or act on the upper side of the spring strip 2 when fastened.
[0111] At the in Fig. In the embodiment shown in Figure 7, the covering area 16 can be actuated via an actuating section 36, which in turn actuates the joint 17 and thus the covering area 16. The actuating section 36 can be operated, in particular, by the hand or one or more fingers of a user. Furthermore, in the embodiment shown in Figure 7, the actuating section 36 can also be operated by the hand or one or more fingers of a user. Fig. In the embodiment shown in Figure 7, an engagement means 11 is provided which can engage, in particular, at the edge, in a recess or notch of the spring strip 2.
[0112] In the Fig. Figures 20 to 22 show a further embodiment of a suspension device 1, which is characterized by the features associated with the Fig. The embodiment of the suspension device 1 discussed in sections 1 to 4 differs primarily by an actuating section 36 arranged at the overlap area 16. With regard to the descriptions of the [description of the embodiment] in the Fig. Therefore, reference may be made to the aforementioned submissions in the embodiment shown in Figures 20 to 22.
[0113] The actuation section 36, as described in the Fig. The actuating section 36, shown in figures 20 to 22, is designed to actuate joint 17 and thus the covering area 16. The actuating section 36 can be operated, in particular, by the hand or one or more fingers of a user.
[0114] The Fig. Figure 9 shows another embodiment of a suspension device 1 in which no overlapping areas 16 are present. However, end face sections protrude from the support area 13 at the end sides 14, 15. Fig. Figure 9 further shows that the engagement means 11 is arranged between the support area 13 and the end face sections, which is intended in particular for engaging in a recess of the spring strip 2.
[0115] Furthermore, the Fig. 9, that the support section 5 is designed as a locking projection which, in particular, interacts with a locking opening in the support surface 35 (not shown in detail) in a form-fitting and / or friction-fitting manner when fastened.
[0116] Furthermore, in the Fig. Figure 10 shows another embodiment of the suspension device 1. As in Fig. The embodiment shown in 1 has the features described in Fig. The suspension device 1 shown in Figure 10 comprises a support section 5, a receiving section 6, and a connecting section 7. The receiving section 6 includes, in addition to the support area 13, overlapping areas 16 that adjoin the end sides 14, 15 of the support area 13. The overlapping areas 16 are connected to the support area 13 via end face sections. The joint 17 for actuating the overlapping area 16 is provided in or on the end face sections, which, in particular, project at least substantially perpendicularly from the support area 13. The engagement means 11 is located in the Fig. The embodiment shown in Figure 10 is designed in multiple parts, and may have two locking elements that can be locked together when connected. The first locking element can be arranged on the support area 13 and the end face sections and engage in a recess of the spring strip 2. The second locking element, on the other hand, can be arranged on the overlap area 16 and pivoted away from the support area 13 by actuating the joint 17. When the spring strip 2 has been positioned on the support area 13, the overlap area 16 can be pivoted back and the second locking element can be locked to the first locking element. The first locking element may have a locking opening for the insertion of the second locking element.In this way, a locking mechanism with the spring strip 2 can be enabled without the spring strip 2 being directly locked to the engagement means 11, but the engagement means 11 itself creates a locking mechanism through a multi-part design.
[0117] The end face sections projecting from the support area 13 can be designed differently in different embodiments. For example, the Fig. 7 a curved formation of the frontal section, whereas the Fig. Figure 8 illustrates a straight formation of the frontal section.
[0118] The Fig. 2 but also the Fig. Figure 7 shows that, for different embodiments, the overlap area 16 is arranged at least substantially parallel to the support area 13 – specifically in the unloaded state. The overlap area 16 can extend over a portion of the length of the support area 13, particularly between 4% and 30%.
[0119] In Fig. Figure 19 shows a further embodiment of the suspension device 1, which is described in Figure 19. Fig. The embodiment shown in 1 is similar. However, the engagement means 11 is arranged on the upper side, facing the spring strip 2, on the support area 13.
[0120] During the Fig. In the embodiment shown in Figures 1 to 4, the engagement means 11 is arranged on the underside, facing the spring strip 2, of the overlap area 16. In both embodiments, the engagement means 11 can be firmly, preferably by a material bond, connected to the overlap area 16 or the bearing area 13.
[0121] For interaction with intervention device 11, the following can be used in the Fig. 1 and the Fig. In the embodiments shown in Figure 19, a locking opening is provided. The locking opening can, in particular, correspond to the opening 41 of the spring strip 2 and be adjacent to it in the fastened state.
[0122] Fig. Figure 4 shows that the support area 13 has at least one locking opening 18 for passing the intervention means 11 through.
[0123] It is understood that in further embodiments no engagement means 11 may be present, which also eliminates the locking opening 18.
[0124] Ultimately, the intervention device 11 can be used to position the spring strip 2.
[0125] The Fig. Figure 19, however, shows that the locking opening 18 is provided in the overlap area 16, which is only shown schematically due to the front view.
[0126] In both embodiments, the locking opening 18 can ensure that the receiving section 6 is locked to the engagement means 11, wherein the locking opening 18 can be engaged from behind by the engagement means 11 in the connected or fastened state.
[0127] The connecting section 7 can be designed differently in different embodiments. Ultimately, the spring behavior of the suspension device 1 can be ensured via the connecting section 7. For this purpose, the connecting section 7 can have spring elements 19, which in particular have a circumferentially closed cross-section and are further preferably designed as hollow bodies open at their ends, and thus in particular have openings for compensating the forces.
[0128] Fig. Figure 1 shows that the connecting section 7 has at least two spring elements 19 having a closed cross-section. The spring elements 19 are in particular made of an elastic material.
[0129] In addition to the spring elements 19, connecting webs 20 can also be provided, as shown by the Fig. Figure 1 shows. These connecting webs 20 can serve to connect the spring elements 19 to each other if the spring elements 19 are not directly connected to each other, at least in some areas. Fig. Figure 9 shows that the spring elements 19 can also be directly adjacent to each other or connected to each other.
[0130] Alternatively or additionally, the connecting web 20 can be provided to connect the spring elements 19 to the support section 5 and / or the receiving section 6.
[0131] Fig. Figure 4 shows that at least one spring element 19 forms and / or has the support section 5 at least in certain areas.
[0132] During the Fig. 1 to 4, but also in the Fig. In the embodiment shown in Figure 19, an inner spring element 19a of the connecting section 7 is surrounded and / or enclosed by an outer spring element 19b. In the illustrated embodiments, the spring elements 19a and 19b have a cross-section that is at least substantially elliptical. This shape enables optimized spring action under appropriate loads.
[0133] The Fig. Figure 2 shows that the suspension device 1 is designed at least substantially symmetrically, in particular mirror-symmetrically, and especially with respect to an axis of symmetry that passes through the center point of the suspension device 1 and, more preferably, at least substantially orthogonally to the longitudinal sides 8, 9. In further embodiments, the suspension device 1 can also be designed rotationally symmetrically.
[0134] Fig. Figure 3 shows that the connecting section 7 has a width 34a in its central region 21 that is at least 5% greater, preferably between 20% and 50% greater, than in the outer regions. The width 34b in the outer regions is in Fig. Figure 3 also shows. The width 34a is aligned in the longitudinal direction of the spring strip 2 when fastened and is determined in particular by the distance between the respective longitudinal side surfaces of the suspension device 1. The central area 21 can extend over at least 5% to 45% of the height of the connecting section 7.
[0135] It is not shown in detail that the suspension device 1, the connecting section 7, the receiving section 6, the support section 5 and / or the spring element 19 are made of or consist of a thermoplastic and / or elastic plastic.
[0136] In the illustrated embodiments according to the Fig. 1 to 4 and the Fig. 19. The connecting section 7, the receiving section 6, and the support section 5 are formed in one piece. In particular, these components consist of the same material.
[0137] The Fig. Figure 11 shows a spring strip 2 with at least one opening 41. A spring strip 2 with at least one recess is not shown in detail.
[0138] The opening 41 or the recess (not shown) serves to interact with an engagement element 11 of a suspension device 1 according to one of the previously described embodiments. Different embodiments of the engagement element 11 have already been presented, which in turn necessitate different designs of the openings 41 or recesses of the spring strip 2.
[0139] In the fixed state of the suspension device 1, as shown in Fig. As shown in Figure 5, the engagement means 11 engages in the opening 41 and / or recess of the spring strip 2. In particular, it engages behind the spring strip 2.
[0140] The Fig. Figure 11 further shows that the spring strip 2 has a plurality of openings 41 spaced apart from each other in the longitudinal direction of the spring strip 2. A plurality of spaced recesses is not shown in detail.
[0141] The multiple openings 41 allow the arrangement of multiple suspension devices 1 or the adjustment or different positioning of the suspension devices 1 on the spring strips 2 as required.
[0142] The Fig. Figure 12B shows a schematic cross-section in a perspective view of another embodiment of a spring strip 2. Thus, the Fig. 12B, that the spring strip 2 has a fiber core 33 and a sheath 29 made of a thermoplastic material surrounding the fiber core 33. A leg 30 made of a thermoplastic material projects laterally from the sheath 29 on opposite sides. The width of the spring strip 2 in the longitudinal edge regions, particularly in the area of both legs 30, is reduced, resulting in a thicker structure in the area of the fiber core 33. If the in Fig. The spring strip shown in 12B is arranged on a support area 13 of a suspension device 1, consequently, if full-surface contact of the spring strip 2 on the underside of the suspension device 1 is desired, this leads to the formation of a recess 32, as previously explained.
[0143] In the Fig. 12A is like in the Fig. Figure 12B shows a spring strip 2, which has strip legs 30, a sheath 20 and a fiber core 33. In contrast to the fiber core 33, as shown in the Fig. As shown in 12B, the Fig. 12A shows a fiber core 33 with an inner foam core 42.
[0144] Both the in Fig. 12A as well as those in the Fig. The spring strip 2 shown in Figure 12B can interact with a suspension device 1 according to the invention.
[0145] In the Fig. 15 and Fig. Figure 16 shows sprung bases 3 for a bed 4 or a piece of furniture 37. For clarity, the installed spring mechanisms 1 are shown in the Fig. 15 and Fig. 16 not shown in detail, but present.
[0146] The suspension 3 has at least one suspension device 1 according to one of the embodiments described above, as can also be seen schematically in the Fig. 5 and Fig. Figure 6 shows the suspension 3 with at least two spring slats 2 according to one of the embodiments described above.
[0147] The Fig. 15 and Fig. Figure 16 shows that the spring strips 2 are fixed in their respective end regions 22a, 22b.
[0148] The Fig. 14, but also the Fig. 5 and Fig. Figure 6 shows that the spring slats 2 are indirectly connected to the support surface 35 of the bed 4 or the furniture 37 for different embodiments.
[0149] The suspension device 1 for the suspension of the spring strip 2 is arranged with its receiving section 6 on the spring strip 2.
[0150] The Fig. 15 and Fig. Figure 16 further shows that the spring suspension 3 has at least one cap 23. In a further embodiment, a cap 23 to be used is shown in the Fig. 17 and Fig. 18 shown.
[0151] The cap 23 has a base body 25 having a cap cavity 24. A cap support section 26 is provided for arranging the cap 23 on a support surface 35 of a piece of furniture 37 or a bed 4; such a support is shown schematically in the Fig. 15 and Fig. 16 shown. Fig. Figure 16 shows that the arrangement of the caps 23 is on a frame or a jamb 40.
[0152] Fig. Figure 18 shows that the cap 23 has a cap connection section 27 provided between the base body 25 and the cap support section 26.
[0153] The cap cavity 24 serves to receive the end face 28a, 28b of a spring strip 2. In contrast to the spring devices 1, the spring strip 2 does not project from the cap 23 on both sides or extend over both longitudinal sides of the cap 23 that face the longitudinal direction of the spring strip 2. The longitudinal direction of the spring strip 2 runs in particular in the direction of its greatest extent, which means that the spring strip 2 can be designed as an elongated body.
[0154] The Fig. 15 and Fig. Figure 16 shows that each spring strip 2 is inserted into a cap cavity 24 of a cap 23. In the illustrated embodiments, both end faces 28a, 28b of the spring strip 2 are each inserted into a cap cavity 24 of a cap 23.
[0155] The Fig. 5 and Fig. Figure 6 shows that a plurality of suspension devices 1 can be arranged on the spring slats 2 as needed. Between 2 and 10 suspension devices 1 can be arranged in the central area 31 of at least one spring slat 2. Different numbers of suspension devices 1 can also be used for different spring slats 2 of a sub-suspension 3. In particular, more suspension devices 1 are used in the central area of the sub-suspension 3 than in the edge areas, as also shown by the Fig. 6 shows.
[0156] The Fig. 13 shows a piece of furniture 37 and the Fig. 14 A bed 4 with a sprung base 3, which is not visible in detail in the figures shown, as the cushions 38 placed on the sprung base 3 are shown. The upper side of the cushion 38, which may face away from the sprung base 3, may form the lying surface 39. The sprung base 3 may be designed according to the embodiments described above.
[0157] The suspension system 3 is arranged on a support surface 35 of the furniture 37 or the bed 4, which is the case at least for the bed 4 in Fig. 14 is shown. Reference symbol list: 1 Suspension device 2 spring strips 3. Suspension 4 beds 5th edition section 6 Recording section 7 Connecting section 8 long side of 6 9 long side of 6 10 Spring strip opening 11 intervention tools 12 engagement latch arms 13 Print run of 6 14 End of 13 15 End of 13 16 Coverage area 17 joint 18 rest opening 19 spring element 19a inner spring element 19b outer spring element 20 Connecting bridge 21 middle area of 7 22a front end area of 2 22b front end region of 2 23 cap 24 Cap cavity 25 basic shapes 26 Cap support section 27 Cap connection section 28a end face of 2 28b front end of 2 29 coat 30 groin 31 middle area of 2 32 In-depth study 33 fiber core of 2 34a width in 21 of 7 34b width in 21 in the outer areas of 7 35 mm contact area 36 Actuation section 37 pieces of furniture 38 cushions 39 sleeping area of 38 40 frames / jambs 41 Opening 42 inner foam core of 2
Claims
[1] Suspension device (1) for suspending at least one spring slat (2) of a suspension system (3), in particular for use in a suspension system (3) of a bed (4) or of furniture (37), comprising a support section (5) for placement on or above a support surface (35) of the bed (4) or of the furniture (37), a receiving section (6) for placement on the spring slat (2) and a resilient connecting section (7) provided between receiving section (6) and support section (5), wherein the receiving section (6) has at least partially a spring slat opening (10) on both of its longitudinal sides (8, 9) for placement of the spring slat (2), wherein the receiving section (6) has at least one engagement means (11) for engaging an opening and / or recess of the spring strip (2), wherein the receiving section (6) has a support area (13) facing the connecting section (7) for supporting the spring strip (2) and / or wherein the receiving section (6) has at least one end side (14, 15) an overlap area (16) opposite the support area (13) for covering the spring strip (2), characterized by that the support area (13) has at least one locking opening (18) for passing through the intervention means (11) or that the covering area (16) has at least one locking opening (18) for passing through the intervention means (11). [2] Suspension device according to claim 1, characterized bythat the engagement means (11) connects the spring strip (2) to the receiving section (6) in a form-fitting and / or friction-fitting manner and / or that the engagement means (11) is designed as a detent projection, wherein, preferably, the engagement means (11) has two engagement detent legs (12) which are spaced apart from each other by a clear distance extending over the length of the engagement detent legs (12). [3] Suspension device according to claim 1 or 2, characterized by, that the outer surface of the support area (13) facing the spring strip (2) is formed at least substantially complementary to the outer shape of the spring strip (2), so that, preferably, the receiving section (6) rests against and / or abuts the underside of the spring strip (2) over the entire width of the spring strip (2), and / or that the support area (13) has a centrally located recess (32) for receiving and / or arranging a fiber core (33) of the spring strip (2), in particular wherein the recess (32) has a cross-section at least substantially semicircular. [4] Suspension device according to one of the preceding claims, characterized by, that a joint (17) designed in particular as a film hinge is provided between the support area (13) and the overlap area (16) for actuating the overlap area (16), in particular wherein the overlap area (16) is designed as a locking leg or spring leg for cooperating with the spring strip (2). [5] Suspension device according to one of the preceding claims, characterized by that the engagement means (11) is arranged on the underside, facing the spring strip (2) at the overlap area (16) and / or on the upper side, facing the spring strip (2) at the support area (13), in particular wherein the engagement means (11) is firmly, preferably by material bonding, connected to the overlap area (16) or the support area (13). [6] Suspension device according to one of the preceding claims, characterized by, that the locking opening (18) ensures a locking of the receiving section (6) with the engagement means (11) and / or that the engagement means (11) engages behind the locking opening (18) when connected, or that the locking opening (18) ensures a locking of the receiving section (6) with the engagement means (11) and / or that the engagement means (11) engages behind the locking opening (18) when connected. [7] Suspension device according to one of the preceding claims, characterized by, that the connecting section (7) has at least two spring elements (19) having a closed cross-section, in particular wherein at least one spring element (19) is directly or via at least one connecting web (20) connected to the support section (5) and / or the receiving section (6) and / or in particular wherein the spring elements (19) are directly or via at least one connecting web (20) connected to each other and / or in particular wherein at least one spring element (19) forms and / or has at least partially the support section (5). [8] Suspension device according to one of the preceding claims, characterized by , that an inner spring element (19a) of the connecting section (7) is surrounded and / or enclosed by an outer spring element (19b), in particular wherein the inner and / or the outer spring element (19a, 19b) has a cross-section that is at least substantially elliptical. [9] Suspension device according to any one of the preceding claims, characterized by , that the suspension device (1) is designed at least substantially symmetrically, in particular mirror-symmetrically, with respect to at least one axis of symmetry and / or that the connecting section (7) has a greater width (34a) in its central area (21), in particular a width (34a) that is at least 5%, preferably between 10% and 100%, more preferably between 20% and 50% greater than in the outer areas, in particular wherein the central area (21) extends over at least 5% to 45%, preferably between 5% and 25%, of the height of the connecting section (7). [10] Suspension device according to one of the preceding claims, characterized by, that the suspension device (1), the connecting section (7), the receiving section (6), the support section (5) and / or the spring element (19) are made of a thermoplastic and / or elastic plastic and / or consist of such a material and / or that the connecting section (7), the receiving section (6) and the support section (5) are formed in one piece and in particular consist of the same material.
Citation Information
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