EP3649897B1 - Support device with slats and bed base foundation provided with such support devices - Google Patents

Support device with slats and bed base foundation provided with such support devices Download PDF

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Publication number
EP3649897B1
EP3649897B1 EP19207758.4A EP19207758A EP3649897B1 EP 3649897 B1 EP3649897 B1 EP 3649897B1 EP 19207758 A EP19207758 A EP 19207758A EP 3649897 B1 EP3649897 B1 EP 3649897B1
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EP
European Patent Office
Prior art keywords
slat
support device
fastening
based support
arms
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EP19207758.4A
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German (de)
French (fr)
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EP3649897A1 (en
Inventor
Jean Rémy BERGOUNHE
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Socofal
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Socofal
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/063—Slat supports by elastic means, e.g. coil springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/067—Slat supports adjustable, e.g. in height or elasticity

Definitions

  • the present invention relates generally to the field of the furniture industry. It relates more particularly to a slatted support device intended to equip a bed base, as well as the bed base equipped with such support devices.
  • a bed base consisting of parallel transverse slats connected in pairs at their ends by a structure of end pieces, which end structures are carried by deformable elbow levers, each formed of two arms articulated to one another.
  • the lower arms of the two angled levers each end with a toothed wheel portion which mesh with one another; and the pairs of toothed wheels of the two end piece structures located at each end of the slats are coupled in rotation by motion transmission rods, the ends of which provided with tenons are journaled in bearings carried by the rigid frame of the bed base.
  • This rigid box spring frame also carries a stop located between the two bent levers; and an elastic return means is interposed between this stop and the end piece structure, so that the forces applied to the slats are transmitted to the rigid frame by these elastic return means.
  • the present invention proposes a slatted support device intended to equip a bed base comprising a bed frame, which slatted support device comprises two parallel transverse slats connected to each other.
  • a slat end structure comprising two slat ends, which slat end structure is carried by two deformable bent levers each consisting of two arms articulated to each other, one lower and the other upper carrying said slat end structure, said two lower arms each terminating in a toothed wheel portion which mesh with one another, the pairs of toothed wheels of the two slat ends located opposite each other at each end of the slats being coupled in rotation by motion transmission rods, which motion transmission rods have a square section, are hollow, and each extend along a longitudinal axis, the lower ends of the lower arms of the two bent levers comprising a recessing housing for the end of said motion transmission rods , of complementary square cross section, which slatted support device comprises means suitable for its attachment to said bed frame, which slatted support device comprises elastic return means adapted to tend to move said slat end structure away from said means adapted for fixing to the bed frame, this slatted support device
  • the invention also provides a bed base comprising a base frame and a plurality of slatted support devices as defined above.
  • the slat support device 1, 1 ' according to the invention comprises parallel transverse slats 2, 2a, arranged in pairs, carried by end supports which are fixed to the L side members facing a rigid box spring frame.
  • the appended figures show only one of these end supports, but the second opposite, not shown, is identical.
  • the slatted support device 1 illustrated on figures 1 to 4 comprises two parallel transverse slats 2, 2a connected at each of their ends by a structure of slat ends 3 comprising two slat ends 4.
  • the slat end structure 3 is carried by two bent levers 5, 6 each consisting of two arms articulated to each other, one lower 7, 7a and the other upper 8, 8a carrying said structure of slat ends 3.
  • the articulation between the lower 7, 7a and upper 8, 8a arms of each elbow lever 5, 6 is produced by an attached pin 9.
  • the upper end of the upper arms 8, 8a is made in one piece with the structure of the slat ends 3, and this connection is made in an articulated manner by thinning material.
  • This part is made of a plastic material, by an injection molding technique.
  • the two lower arms 7, 7a each end with a toothed wheel portion 10, 10a engaged and which mesh with one another.
  • the pairs of toothed wheels 10, 10a of the two slat end structures 3 located opposite each other at each end of the slats 2, 2a are coupled in rotation by movement transmission rods 11, here hollow and of section square.
  • the lower ends of the two lower arms 7 and 7a include recessing housings 13 of square section suitable for receiving the ends of the motion transmission rods 11.
  • Elastic return means 12 are adapted to tend to return the slats 2, 2a to their original high position, following the application of a force, and thus ensure the suspension of the device.
  • the slatted support device 1 also comprises means 14 adapted for its attachment to the side members of the bed frame L.
  • These fixing means 14 consist of a fixing plate 15 associated with a support base 16.
  • the fixing plate 15 has a rear face 15a and a front face 15b; it comprises - means for fixing to the lower arms 7, 7a of the two angled levers 5, 6, here in the form of two cylindrical hinge pins 17 which project out from its front face 15b, as well as - means 18 for its removable attachment to the support base 16.
  • the support base 16 comprises a rear face 16a and a front face 16b. It is provided with - means for its attachment to the spar of the bed frame L, in the form of projecting tenons 19 provided at its rear face 16a, and - means 20 for its removable attachment to the fixing plate 15, provided at its front face 16b.
  • the two cylindrical articulation pins 17 integral with the fixing plate 15 are each adapted to fit into a recessing hole 21 of circular section, acting as a bearing, formed at the lower end of each arm. lower 7, 7a of the angled lever 5, 6.
  • These embedding holes 21 are formed in the extension of the embedding housings 13 of the transmission rods 11; they extend co-axially to these recessing housings 13 and open opposite them.
  • the articulation pins 17 can project from their recessing housing 21 and partially penetrate into the recessing housings 13 and into the hollow motion transmission rods 11.
  • the aforementioned means for removable securing of the fixing plate 15 with the support base 16 comprise side rails 18 formed on said fixing plate 15, which cooperate with lateral guide slides 20 provided on the support base 16.
  • the side rails 18 are made on the side sides of the mounting plate 15 and they extend parallel to each other.
  • the guide rails 20 are produced on the lateral sides of a housing 22 provided in the front face 16b of the support base 16.
  • a stop structure 23 is provided to limit the possibilities of movement in the downward direction of the fixing plate 15 relative to said support base 16. This stop structure 23 corresponds here to the lower edge of the housing 22.
  • the mounting plate 15 and the support base 16 still have preferably snap-fastening means to ensure their removable locking.
  • These latching means may be in the form of a projecting member 24, here provided in the bottom of the housing 22 of the support base 16, adapted to cooperate elastically with a complementary reservation (not visible in the appended figures) provided in the rear face 15a of the mounting plate 15.
  • the tenons 19 formed from the rear face of the support base 16 are adapted to come into complementary mounting holes (not visible in the accompanying figures) made in the spar of the bed frame L.
  • the elastic return means which ensure the suspension of the slat end structure 3 consist of a spiral spring 12, arranged with its vertical longitudinal axis, between a lower bearing plane 25 of said slat end structure 3 ( located under the slat ends 4) and an upper support surface 26 of a plate 27 integral with the mounting plate 15.
  • the plate 27 extends here from the upper edge of the fixing plate 15, parallel to the cylindrical articulation axes 17.
  • the two support planes 25 and 26 in question comprise protruding holding / centering members 28, on which the ends of the spiral spring 12 are positioned and centered.
  • the spiral spring 12 is adapted to tend to separate the two support planes 25 and 26 from one another.
  • the slatted support device 1 further comprises adjustment means 30 capable of adjusting the amplitude of displacement of the upper arms 8, 8a of the two bent levers 5, 6, to allow adjustment of the firmness of said slatted support device.
  • These firmness adjustment means 30 comprise a slider 31 adapted to be positioned between the two slats 2, 2a of the slat support device 1 and to slide along them by means of lateral guide grooves 31a.
  • the slider 31 comprises a firmness adjustment extension 32 provided with an end spacer structure 33, which is able to come to be positioned in a space E located between a bottom surface 34 of said slat end structure. 3 and a stop structure 35 formed on the upper arms 8, 8a of the two bent levers 5, 6.
  • the end spacer structure 33 comprises at least two juxtaposed zones of different thicknesses, in order to have at least three different firmness settings.
  • a set of two slat end structures 3 equipped with angled levers 5, 6, elastic return means 12 and motion transmission rods 11, can be pre-assembled and then installed on the side members of the bed frame L , by means of the fixing plates 15 and the support bases 16, the said support bases 16 being mounted on the said side members, and the said fixing plates 15 coming to engage and lock by a vertical movement in the slides 20 of the said support bases 16.
  • FIGS. 5 and 6 illustrate another possible embodiment of a slatted support device 1 'according to the invention.
  • the structural parts identical or similar to the slatted support device 1 of the figures 1 to 4 keep the same references for simplification.
  • This slatted support device 1 ' differs from that illustrated on the figures 1 to 4 essentially by the presence of angled levers 5, 6 whose lower arms 7 ', 7'a, and upper arms 8', 8'a are made in one piece with a thinning of material at their assembly zone to form an articulation 9 '.
  • One-piece Vee blades 36 connect the lower arms 7 ', 7'a, and upper arms 8', 8'a to constitute elastic return means (fulfilling the same function as the spiral spring 12 in the embodiment of figures 1 to 4 ).
  • the bent levers 5, 6 are made in one piece with the structure of slat ends 3, this in a plastic material, by an injection molding technique.
  • the lower arms 7 ', 7'a are slightly spaced from each other for technical reasons of molding and they are brought into contact during assembly on the mounting plate 15.

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  • Invalid Beds And Related Equipment (AREA)
  • Bedding Items (AREA)
  • Blinds (AREA)

Description

La présente invention concerne de manière générale le domaine de l'industrie de l'ameublement. Elle concerne plus particulièrement un dispositif support à lattes destiné à équiper un sommier de literie, ainsi que le sommier de literie équipé de tels dispositifs supports.The present invention relates generally to the field of the furniture industry. It relates more particularly to a slatted support device intended to equip a bed base, as well as the bed base equipped with such support devices.

ARRIERE-PLAN TECHNOLOGIQUETECHNOLOGICAL BACKGROUND

On connaît du document FR-2 771 909 un sommier de literie constitué de lattes transversales parallèles reliées par paires à leurs extrémités par une structure d'embouts, lesquelles structures d'embouts sont portées par des leviers coudés déformables, formés chacun de deux bras articulées l'un à l'autre.
Les bras inférieurs des deux leviers coudés se terminent chacune par une portion de roue dentée qui engrènent l'une sur l'autre ; et les paires de roues dentées des deux structures d'embouts situées à chaque extrémité des lattes sont accouplées en rotation par des tiges de transmission de mouvement dont les extrémités munies de tenons tourillonnent dans des paliers portés par le cadre rigide du sommier.
Ainsi, les lattes se déplacent parallèlement à elles mêmes, même si une charge est appliquée d'un seul côté seulement.
Ce cadre rigide de sommier porte encore une butée située entre les deux leviers coudés ; et un moyen de rappel élastique est interposé entre cette butée et la structure d'embouts, de sorte que les efforts appliqués aux lattes soient transmis au cadre rigide par ces moyens de rappel élastiques.We know from the document FR-2 771 909 a bed base consisting of parallel transverse slats connected in pairs at their ends by a structure of end pieces, which end structures are carried by deformable elbow levers, each formed of two arms articulated to one another.
The lower arms of the two angled levers each end with a toothed wheel portion which mesh with one another; and the pairs of toothed wheels of the two end piece structures located at each end of the slats are coupled in rotation by motion transmission rods, the ends of which provided with tenons are journaled in bearings carried by the rigid frame of the bed base.
Thus, the slats move parallel to themselves, even if a load is applied from one side only.
This rigid box spring frame also carries a stop located between the two bent levers; and an elastic return means is interposed between this stop and the end piece structure, so that the forces applied to the slats are transmitted to the rigid frame by these elastic return means.

Cependant une telle structure pose des difficultés de réalisation et de montage, en particulier du fait de la présence des tenons d'extrémités des tiges de transmission de mouvement qui tourillonnent dans les paliers du cadre de sommier.
Une autre structure d'embout similaire est décrite dans le document EP-0 783 856 . D'autre part, les documents WO-2010/128154 et DE-10 2010 015799 présentent des moyens de fixation des structures d'embouts au cadre du sommier, comprenant une platine de fixation associée à une embase support.However, such a structure poses production and assembly difficulties, in particular due to the presence of end tenons of the motion transmission rods which journal in the bearings of the bed frame.
Another similar tip structure is described in the document EP-0 783 856 . On the other hand, the documents WO-2010/128154 and DE-10 2010 015799 present means for fixing the end-piece structures to the frame of the bed base, comprising a fixing plate associated with a support base.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Afin de remédier à l'inconvénient précité de l'état de la technique, la présente invention propose un dispositif support à lattes destiné à équiper un sommier de literie comprenant un cadre de sommier, lequel dispositif support à lattes comprend deux lattes transversales parallèles reliées à chacune de leurs extrémités par une structure d'embouts de lattes comportant deux embouts de lattes,
laquelle structure d'embouts de lattes est portée par deux leviers coudés déformables constitués chacun de deux bras articulés l'un à l'autre, l'un inférieur et l'autre supérieur portant ladite structure d'embouts de lattes,
lesdits deux bras inférieurs se terminant chacun par une portion de roue dentée qui engrènent l'une sur l'autre,
les paires de roues dentées des deux embouts de lattes situés en vis-à-vis à chaque extrémité des lattes étant accouplées en rotation par des tiges de transmission de mouvement,
lesquelles tiges de transmission de mouvement ont une section carrée, sont creuses, et s'étendent chacune selon un axe longitudinal, les extrémités inférieures des bras inférieurs des deux leviers coudés comportant un logement d'encastrement pour l'extrémité desdites tiges de transmission de mouvement, de section transversale carrée complémentaire,
lequel dispositif support à lattes comporte des moyens adaptés pour sa fixation audit cadre de sommier,
lequel dispositif support à lattes comporte des moyens de rappel élastique adaptés pour tendre à écarter ladite structure d'embouts de lattes par rapport auxdits moyens adaptés pour la fixation au cadre de sommier,
ce dispositif support à lattes étant caractérisé par le fait que lesdits moyens adaptés pour la fixation au cadre de sommier consistent en une platine de fixation, associée à une embase support,
laquelle platine de fixation est munie de moyens de fixation aux bras inférieurs des deux leviers coudés,
laquelle platine de fixation et laquelle embase support comprennent des moyens pour leur solidarisation amovible,
et laquelle embase support est munie de moyens pour sa fixation sur ledit cadre de sommier.In order to remedy the aforementioned drawback of the state of the art, the present invention proposes a slatted support device intended to equip a bed base comprising a bed frame, which slatted support device comprises two parallel transverse slats connected to each other. each of their ends by a slat end structure comprising two slat ends,
which slat end structure is carried by two deformable bent levers each consisting of two arms articulated to each other, one lower and the other upper carrying said slat end structure,
said two lower arms each terminating in a toothed wheel portion which mesh with one another,
the pairs of toothed wheels of the two slat ends located opposite each other at each end of the slats being coupled in rotation by motion transmission rods,
which motion transmission rods have a square section, are hollow, and each extend along a longitudinal axis, the lower ends of the lower arms of the two bent levers comprising a recessing housing for the end of said motion transmission rods , of complementary square cross section,
which slatted support device comprises means suitable for its attachment to said bed frame,
which slatted support device comprises elastic return means adapted to tend to move said slat end structure away from said means adapted for fixing to the bed frame,
this slatted support device being characterized in that said means adapted for fixing to the bed frame consist of a fixing plate, associated with a support base,
which fixing plate is provided with means for fixing to the lower arms of the two angled levers,
which fixing plate and which support base comprise means for their removable attachment,
and which support base is provided with means for fixing it to said bed frame.

De plus :

  • lesdits moyens de fixation de ladite platine de fixation aux bras inférieurs des deux leviers coudés consistent en deux axes d'articulation cylindriques solidaires de ladite platine de fixation, adaptés chacun pour venir s'encastrer dans un orifice d'encastrement de section circulaire, faisant office de palier, ménagé au niveau de l'extrémité inférieure d'un bras inférieur de levier coudé.
  • le logement d'encastrement des tiges de transmission de mouvement est situé dans le prolongement de l'orifice d'encastrement desdits axes d'articulation de ladite platine de fixation, et s'étend co-axialement à ce dernier.
  • lesdits axes d'articulation s'étendent en saillie de leur orifice d'encastrement et pénètrent partiellement dans lesdits logements d'encastrement et dans lesdites tiges de transmission de mouvement.
Moreover :
  • said fixing means of said fixing plate to the lower arms of the two angled levers consist of two cylindrical articulation axes integral with said fixing plate, each adapted to fit into a recessing hole of circular section, acting as bearing, formed at the lower end of an angled lower lever arm.
  • the recessing housing of the motion transmission rods is located in the extension of the recessing orifice of said articulation pins of said fixing plate, and extends co-axially to the latter.
  • said articulation pins projecting from their recessing orifice and partially penetrating into said recessing housings and into said movement transmission rods.

D'autres caractéristiques non limitatives et avantageuses du dispositif support à lattes conforme à l'invention, prises individuellement ou selon toutes les combinaisons techniquement possibles, sont les suivantes :

  • les moyens de solidarisation amovible de ladite platine de fixation avec ladite embase support comprennent des rails latéraux ménagés sur ladite platine de fixation, qui coopèrent avec des glissières de guidage latérales ménagées sur ladite embase support, une structure de butée étant prévue pour limiter les possibilités de mouvement dans un sens de ladite platine de fixation par rapport à ladite embase support.
  • ladite platine de fixation et ladite embase support comportent des moyens d'encliquetage pour verrouiller de manière amovible la position de ladite platine de fixation par rapport à ladite embase support.
  • les moyens pour la fixation de ladite embase support sur ledit cadre de sommier consistent en des tenons ménagés sur ladite embase support, adaptés pour venir pénétrer dans des orifices d'encastrement ménagés dans ledit cadre de sommier.
  • lesdits moyens de rappel élastiques consistent en un ressort spirale interposé entre un plan d'appui de ladite structure d'embouts de lattes et un plan d'appui d'un plateau solidaire de ladite platine de fixation.
  • lesdits bras inférieurs et supérieurs des leviers coudés sont réalisées monobloc avec leur articulation en forme d'amincissement de matière, et lesdits moyens de rappel élastiques sont constitués par des lames en Vé reliant lesdits bras inférieurs et supérieurs de chaque levier coudé.
  • le dispositif support à lattes comporte des moyens de réglage aptes à régler l'amplitude de déplacement des bras supérieurs des deux leviers coudés, pour permettre un réglage de la fermeté dudit dispositif support à lattes.
  • lesdits moyens de réglage de fermeté comprennent un curseur adapté pour venir se positionner entre les deux lattes dudit dispositif support à lattes et pour coulisser le long de celles-ci, lequel curseur comporte une extension de réglage de fermeté munie d'une structure d'entretoise d'extrémité, laquelle structure d'entretoise est apte à venir se positionner dans un espace situé entre une surface de dessous de ladite structure d'embout de lattes et une structure de butée ménagée sur lesdits bras supérieurs des deux leviers coudés.
  • ladite structure d'entretoise comporte au moins deux zones juxtaposées d'épaisseurs différentes.
Other non-limiting and advantageous characteristics of the slatted support device according to the invention, taken individually or in any technically possible combination, are as follows:
  • the means for removable securing of said fixing plate with said support base comprise side rails provided on said fixing plate, which cooperate with lateral guide slides provided on said support base, a stop structure being provided to limit the possibilities of movement in one direction of said fixing plate relative to said support base.
  • said fixing plate and said support base comprise latching means for removably locking the position of said fixing plate relative to said support base.
  • the means for fixing said support base on said base frame consist of tenons formed on said support base, adapted to come into recessing holes made in said base frame.
  • said elastic return means consist of a spiral spring interposed between a bearing plane of said slat end structure and a bearing plane of a plate secured to said fixing plate.
  • said lower and upper arms of the bent levers are made in one piece with their articulation in the form of thinning of material, and said elastic return means are constituted by V-shaped blades connecting said lower and upper arms of each bent lever.
  • the slatted support device comprises adjustment means suitable for adjust the amplitude of movement of the upper arms of the two angled levers, to allow adjustment of the firmness of said slatted support device.
  • said firmness adjusting means comprise a suitable slider to position itself between the two slats of said slat support device and to slide along them, which slider comprises a firmness adjustment extension provided with an end spacer structure, which spacer structure is capable of being positioned in a space located between a bottom surface of said slat end structure and a stop structure provided on said upper arms of the two bent levers.
  • said spacer structure comprises at least two juxtaposed zones of different thicknesses.

L'invention propose également un sommier de literie comprenant un cadre de sommier et une pluralité de dispositifs supports à lattes tels que définis ci-dessus.The invention also provides a bed base comprising a base frame and a plurality of slatted support devices as defined above.

DESCRIPTION DETAILLEE D'EXEMPLES DE RÉALISATIONDETAILED DESCRIPTION OF EXAMPLES OF EXAMPLES

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée.The description which will follow with regard to the appended drawings, given by way of nonlimiting examples, will make it clear what the invention consists of and how it can be implemented.

Sur les dessins annexés :

  • la figure 1 est une vue en perspective d'une partie d'une première forme de réalisation possible d'un dispositif support à lattes conforme à l'invention, monté sur le longeron d'un cadre de sommier ;
  • la figure 2 est une vue de face du dispositif support à lattes selon le plan de coupe 2-2 de la figure 1 ;
  • la figure 3 est une vue en perspective du dispositif support à lattes des figures 1 et 2 en partie désolidarisé du cadre de sommier ;
  • la figure 4 est une vue en perspective éclatée du dispositif support à lattes illustré sur les figures 1 à 3 ;
  • la figure 5 est une vue en perspective éclatée d'une partie d'une deuxième forme de réalisation possible d'un dispositif support à lattes conforme à l'invention ;
  • la figure 6 est une vue partielle, de face, du dispositif support à lattes illustré sur la figure 5.
In the accompanying drawings:
  • the figure 1 is a perspective view of part of a first possible embodiment of a slatted support device according to the invention, mounted on the spar of a bed frame;
  • the figure 2 is a front view of the slatted support device according to the sectional plane 2-2 of the figure 1 ;
  • the figure 3 is a perspective view of the slatted support device of the figures 1 and 2 partly detached from the box spring frame;
  • the figure 4 is an exploded perspective view of the slatted support device illustrated in figures 1 to 3 ;
  • the figure 5 is an exploded perspective view of part of a second possible embodiment of a slatted support device according to the invention;
  • the figure 6 is a partial front view of the slatted support device illustrated in figure 5 .

Tel qu'illustré sur les figures annexées, le dispositif support à lattes 1, 1' conforme à l'invention comprend des lattes transversales parallèles 2, 2a, disposées par paires, portées par des supports d'extrémités qui sont fixés sur les longerons L en vis-à-vis d'un cadre rigide de sommier.
Les figures annexées montrent un seul de ces supports d'extrémités, mais le second en vis à vis, non représenté, est identique.As illustrated in the accompanying figures, the slat support device 1, 1 'according to the invention comprises parallel transverse slats 2, 2a, arranged in pairs, carried by end supports which are fixed to the L side members facing a rigid box spring frame.
The appended figures show only one of these end supports, but the second opposite, not shown, is identical.

Le dispositif support à lattes 1 illustré sur les figures 1 à 4 comprend deux lattes transversales parallèles 2, 2a reliées à chacune de leurs extrémités par une structure d'embouts de lattes 3 comportant deux embouts de lattes 4.The slatted support device 1 illustrated on figures 1 to 4 comprises two parallel transverse slats 2, 2a connected at each of their ends by a structure of slat ends 3 comprising two slat ends 4.

La structure d'embouts de lattes 3 est portée par deux leviers coudés 5, 6 déformables constitués chacun de deux bras articulés l'un à l'autre, l'un inférieur 7, 7a et l'autre supérieur 8, 8a portant ladite structure d'embouts de lattes 3. L'articulation entre les bras inférieurs 7, 7a et supérieurs 8, 8a de chaque levier coudé 5, 6 est réalisée par un axe rapporté 9.The slat end structure 3 is carried by two bent levers 5, 6 each consisting of two arms articulated to each other, one lower 7, 7a and the other upper 8, 8a carrying said structure of slat ends 3. The articulation between the lower 7, 7a and upper 8, 8a arms of each elbow lever 5, 6 is produced by an attached pin 9.

L'extrémité supérieure des bras supérieurs 8, 8a est réalisée monobloc avec la structure d'embouts de lattes 3, et cette solidarisation est réalisée de manière articulée par un amincissement de matière. Cette pièce est réalisée en une matière plastique, par une technique de moulage injection.The upper end of the upper arms 8, 8a is made in one piece with the structure of the slat ends 3, and this connection is made in an articulated manner by thinning material. This part is made of a plastic material, by an injection molding technique.

Les deux bras inférieurs 7, 7a se terminent chacun par une portion de roue dentée 10, 10a en prise et qui engrènent l'une sur l'autre.
Les paires de roues dentées 10, 10a des deux structures d'embouts de lattes 3 situées en vis-à-vis à chaque extrémité des lattes 2, 2a sont accouplées en rotation par des tiges de transmission de mouvement 11, ici creuses et de section carrée.
Les extrémités inférieures des deux bras inférieurs 7 et 7a comportent des logements d'encastrement 13 de section carrée adaptés à la réception des extrémités des tiges de transmission de mouvement 11.The two lower arms 7, 7a each end with a toothed wheel portion 10, 10a engaged and which mesh with one another.
The pairs of toothed wheels 10, 10a of the two slat end structures 3 located opposite each other at each end of the slats 2, 2a are coupled in rotation by movement transmission rods 11, here hollow and of section square.
The lower ends of the two lower arms 7 and 7a include recessing housings 13 of square section suitable for receiving the ends of the motion transmission rods 11.

De la sorte, en cas d'application d'une charge ou d'un effort sur les lattes 2, 2a, les leviers coudés 5 et 6 se replient de façon identique, même si la charge est appliquée d'un seul côté seulement des lattes 2, 2a.In this way, in the event of application of a load or a force on the slats 2, 2a, the elbow levers 5 and 6 are folded in an identical manner, even if the load is applied to only one side of the slats 2, 2a.

Des moyens de rappel élastique 12, détaillés plus loin, sont adaptés pour tendre à ramener les lattes 2, 2a dans leur position d'origine haute, suite à l'application d'un effort, et ainsi assurer la suspension du dispositif.Elastic return means 12, detailed below, are adapted to tend to return the slats 2, 2a to their original high position, following the application of a force, and thus ensure the suspension of the device.

Le dispositif support à lattes 1 comporte encore des moyens 14 adaptés pour sa fixation sur les longerons du cadre de sommier L.The slatted support device 1 also comprises means 14 adapted for its attachment to the side members of the bed frame L.

Ces moyens de fixation 14 consistent en une platine de fixation 15 associée à une embase support 16.These fixing means 14 consist of a fixing plate 15 associated with a support base 16.

La platine de fixation 15 comporte une face arrière 15a et une face avant 15b ; elle comprend - des moyens de fixation aux bras inférieurs 7, 7a des deux leviers coudés 5, 6, ici en forme de deux axes d'articulation cylindriques 17 qui s'étendent en saillie à partir de sa face avant 15b, ainsi que - des moyens 18 pour sa solidarisation amovible avec l'embase support 16.
De son côté, l'embase support 16 comporte une face arrière 16a et une face avant 16b. Elle est munie - de moyens pour sa fixation sur le longeron du cadre de sommier L, en forme de tenons en saillie 19 ménagés au niveau de sa face arrière 16a, et - de moyens 20 pour sa solidarisation amovible avec la platine de fixation 15, ménagés au niveau de sa face avant 16b.The fixing plate 15 has a rear face 15a and a front face 15b; it comprises - means for fixing to the lower arms 7, 7a of the two angled levers 5, 6, here in the form of two cylindrical hinge pins 17 which project out from its front face 15b, as well as - means 18 for its removable attachment to the support base 16.
For its part, the support base 16 comprises a rear face 16a and a front face 16b. It is provided with - means for its attachment to the spar of the bed frame L, in the form of projecting tenons 19 provided at its rear face 16a, and - means 20 for its removable attachment to the fixing plate 15, provided at its front face 16b.

Les deux axes d'articulation cylindriques 17 solidaires de la platine de fixation 15 sont adaptés chacun pour venir s'encastrer dans un orifice d'encastrement 21 de section circulaire, faisant office de palier, ménagé au niveau de l'extrémité inférieure de chaque bras inférieur 7, 7a de levier coudé 5, 6.The two cylindrical articulation pins 17 integral with the fixing plate 15 are each adapted to fit into a recessing hole 21 of circular section, acting as a bearing, formed at the lower end of each arm. lower 7, 7a of the angled lever 5, 6.

Ces orifices d'encastrement 21 sont ménagés dans le prolongement des logements d'encastrement 13 des tiges de transmission 11 ; ils s'étendent co-axialement à ces logements d'encastrement 13 et s'ouvrent à l'opposé de ces derniers.These embedding holes 21 are formed in the extension of the embedding housings 13 of the transmission rods 11; they extend co-axially to these recessing housings 13 and open opposite them.

Les axes d'articulation 17 peuvent s'étendre en saillie de leur logement d'encastrement 21 et pénétrer partiellement dans les logements d'encastrement 13 et dans les tiges creuses de transmission de mouvement 11.The articulation pins 17 can project from their recessing housing 21 and partially penetrate into the recessing housings 13 and into the hollow motion transmission rods 11.

Les moyens précités de solidarisation amovible de la platine de fixation 15 avec l'embase support 16 comprennent des rails latéraux 18 ménagés sur ladite platine de fixation 15, qui coopèrent avec des glissières de guidage 20 latérales ménagées sur l'embase support 16.
Les rails latéraux 18 sont réalisés sur les côtés latéraux de la platine de fixation 15 et ils s'étendent parallèlement l'un à l'autre. Les glissières de guidage 20 sont réalisées sur les côtés latéraux d'un logement 22 ménagé dans la face avant 16b de l'embase support 16.
Une structure de butée 23 est prévue pour limiter les possibilités de mouvement dans le sens descendant de la platine de fixation 15 par rapport à ladite embase support 16. Cette structure de butée 23 correspond ici à la bordure inférieure du logement 22.The aforementioned means for removable securing of the fixing plate 15 with the support base 16 comprise side rails 18 formed on said fixing plate 15, which cooperate with lateral guide slides 20 provided on the support base 16.
The side rails 18 are made on the side sides of the mounting plate 15 and they extend parallel to each other. The guide rails 20 are produced on the lateral sides of a housing 22 provided in the front face 16b of the support base 16.
A stop structure 23 is provided to limit the possibilities of movement in the downward direction of the fixing plate 15 relative to said support base 16. This stop structure 23 corresponds here to the lower edge of the housing 22.

La platine de fixation 15 et l'embase support 16 comportent encore de préférence des moyens d'encliquetage pour assurer leur verrouillage amovible.
Ces moyens d'encliquetage peuvent se présenter sous la forme d'un organe en saillie 24, ici ménagé dans le fond du logement 22 de l'embase support 16, adapté pour coopérer élastiquement avec une réservation complémentaire (non visible sur les figures annexées) ménagée dans la face arrière 15a de la platine de fixation 15.The mounting plate 15 and the support base 16 still have preferably snap-fastening means to ensure their removable locking.
These latching means may be in the form of a projecting member 24, here provided in the bottom of the housing 22 of the support base 16, adapted to cooperate elastically with a complementary reservation (not visible in the appended figures) provided in the rear face 15a of the mounting plate 15.

Les tenons 19 ménagés à partir de la face arrière de l'embase support 16 sont adaptés pour venir pénétrer dans des orifices d'encastrement complémentaires (non visibles sur les figures annexées) ménagés dans le longeron du cadre de sommier L.The tenons 19 formed from the rear face of the support base 16 are adapted to come into complementary mounting holes (not visible in the accompanying figures) made in the spar of the bed frame L.

Les moyens de rappel élastique qui assurent la suspension de la structure d'embouts de lattes 3 consistent en un ressort spirale 12, disposé avec son axe longitudinal vertical, entre un plan d'appui inférieur 25 de ladite structure d'embouts de lattes 3 (situé sous les embouts de lattes 4) et un plan d'appui supérieur 26 d'un plateau 27 solidaire de la platine de fixation 15.
Le plateau 27 s'étend ici à partir de la bordure supérieure de la platine de fixation 15, parallèlement aux axes d'articulation cylindriques 17.
Les deux plans d'appui 25 et 26 en question comportent des organes de maintien/centrage 28 en saillie, sur lesquels viennent se positionner et se centrer les extrémités du ressort spirale 12.The elastic return means which ensure the suspension of the slat end structure 3 consist of a spiral spring 12, arranged with its vertical longitudinal axis, between a lower bearing plane 25 of said slat end structure 3 ( located under the slat ends 4) and an upper support surface 26 of a plate 27 integral with the mounting plate 15.
The plate 27 extends here from the upper edge of the fixing plate 15, parallel to the cylindrical articulation axes 17.
The two support planes 25 and 26 in question comprise protruding holding / centering members 28, on which the ends of the spiral spring 12 are positioned and centered.

Le ressort spirale 12 est adapté pour tendre à écarter les deux plans d'appui 25 et 26 l'un de l'autre.The spiral spring 12 is adapted to tend to separate the two support planes 25 and 26 from one another.

Le dispositif support à lattes 1 comporte encore des moyens de réglage 30 aptes à régler l'amplitude de déplacement des bras supérieurs 8, 8a des deux leviers coudés 5, 6, pour permettre un réglage de la fermeté dudit dispositif support à lattes.The slatted support device 1 further comprises adjustment means 30 capable of adjusting the amplitude of displacement of the upper arms 8, 8a of the two bent levers 5, 6, to allow adjustment of the firmness of said slatted support device.

Ces moyens de réglage de fermeté 30 comprennent un curseur 31 adapté pour venir se positionner entre les deux lattes 2, 2a du dispositif support à lattes 1 et pour coulisser le long de celles-ci au moyen de gorges latérales de guidage 31a. Le curseur 31 comporte une extension de réglage de fermeté 32 munie d'une structure d'entretoise d'extrémité 33, qui est apte à venir se positionner dans un espace E situé entre une surface de dessous 34 de ladite structure d'embouts de lattes 3 et une structure de butée 35 ménagée sur les bras supérieurs 8, 8a des deux leviers coudés 5, 6.These firmness adjustment means 30 comprise a slider 31 adapted to be positioned between the two slats 2, 2a of the slat support device 1 and to slide along them by means of lateral guide grooves 31a. The slider 31 comprises a firmness adjustment extension 32 provided with an end spacer structure 33, which is able to come to be positioned in a space E located between a bottom surface 34 of said slat end structure. 3 and a stop structure 35 formed on the upper arms 8, 8a of the two bent levers 5, 6.

On comprend qu'un déplacement du curseur 31 fait pénétrer, ou non, la structure d'entretoise d'extrémité dans l'espace E (entre la surface de dessous 34 de la structure d'embouts de lattes 3 et la structure de butée 35 des bras supérieurs 8, 8a des deux leviers coudés 5, 6), de manière à faire varier l'amplitude de déplacement des bras supérieurs 8, 8a.It will be understood that a movement of the slider 31 causes the end spacer structure to penetrate, or not, into the space E (between the bottom surface 34 of the slat end structure 3 and the stop structure 35 upper arms 8, 8a of the two bent levers 5, 6), so as to vary the amplitude of movement of the upper arms 8, 8a.

De préférence, la structure d'entretoise d'extrémité 33 comporte au moins deux zones juxtaposées d'épaisseurs différentes, pour disposer d'au moins trois réglages de fermeté différents.Preferably, the end spacer structure 33 comprises at least two juxtaposed zones of different thicknesses, in order to have at least three different firmness settings.

Lorsqu'un effort est appliqué sur les lattes 2, 2a et sur le dessus des structures d'embouts de lattes 3, ces dernières descendent en comprimant les ressorts spirales 12. Les bras supérieurs 8, 8a des leviers coudés 5, 6 pivotent en entrainant les bras inférieurs 7, 7a qui ont un pivotement synchronisé par les roues dentées 10, 10a et par les tiges de transmission de mouvement 11.
Les deux structures d'embouts de lattes 3 ont donc un déplacement parfaitement synchronisé.When a force is applied to the slats 2, 2a and on top of the slat end structures 3, the latter descend compressing the spiral springs 12. The upper arms 8, 8a of the bent levers 5, 6 pivot while driving the lower arms 7, 7a which have a synchronized pivoting by the toothed wheels 10, 10a and by the movement transmission rods 11.
The two slat end structures 3 therefore have a perfectly synchronized movement.

Un ensemble de deux structures d'embouts de lattes 3 équipées de leviers coudés 5, 6, de moyens de rappel élastique 12 et de tiges de transmission de mouvement 11, peut être pré-monté et ensuite installé sur les longerons du cadre de sommier L, par l'intermédiaire des platines de fixation 15 et des embases support 16, lesdites embases support 16 étant montées sur lesdits longerons, et lesdites platines de fixation 15 venant s'encliqueter et se verrouiller par un mouvement vertical dans les glissières 20 desdites embases support 16.A set of two slat end structures 3 equipped with angled levers 5, 6, elastic return means 12 and motion transmission rods 11, can be pre-assembled and then installed on the side members of the bed frame L , by means of the fixing plates 15 and the support bases 16, the said support bases 16 being mounted on the said side members, and the said fixing plates 15 coming to engage and lock by a vertical movement in the slides 20 of the said support bases 16.

Les figures 5 et 6 illustrent une autre forme de réalisation possible d'un dispositif support à lattes 1' conforme à l'invention.
Sur ces figures 5 et 6, les parties structurelles identiques ou similaires au dispositif support à lattes 1 des figures 1 à 4 conservent les mêmes repères par mesure de simplification.The figures 5 and 6 illustrate another possible embodiment of a slatted support device 1 'according to the invention.
On these figures 5 and 6 , the structural parts identical or similar to the slatted support device 1 of the figures 1 to 4 keep the same references for simplification.

On retrouve donc ici :

  • une structure d'embouts de lattes 3 comprenant deux embouts de lattes 4 destinés chacun à recevoir une extrémité d'une latte transversale 2, 2a (non représentées),
  • deux leviers coudés 5, 6 déformables dont les extrémités inférieures se terminent par une portion de roue dentée 10, 10a et par des logements d'encastrement 13 pour la réception des extrémités de tiges de transmission de mouvement 11 creuses et de section carrée (non représentées),
  • des moyens 14 pour la fixation sur les longerons du cadre de sommier L, en forme d'une platine de fixation 15 associée à une embase support 16, et
  • des moyens de réglage de fermeté 30 avec un curseur 31 et extension de réglage de fermeté 32 munie d'une structure d'entretoise d'extrémité 33.
We therefore find here:
  • a slat end structure 3 comprising two slat end pieces 4 each intended to receive one end of a transverse slat 2, 2a (not shown),
  • two elbow levers 5, 6 which can be deformed, the lower ends of which end in a portion of toothed wheel 10, 10a and in recessing housings 13 for receiving the ends of motion transmission rods 11 hollow and square section (not shown),
  • means 14 for fixing to the side members of the bed frame L, in the form of a fixing plate 15 associated with a support base 16, and
  • firmness adjustment means 30 with a slider 31 and firmness adjustment extension 32 provided with an end spacer structure 33.

Ce dispositif support à lattes 1' se distingue de celui illustré sur les figures 1 à 4 essentiellement par la présence de leviers coudés 5, 6 dont les bras inférieurs 7', 7'a, et supérieurs 8', 8'a sont réalisées monobloc avec un amincissement de matière au niveau de leur zone d'assemblage pour former une articulation 9'.This slatted support device 1 'differs from that illustrated on the figures 1 to 4 essentially by the presence of angled levers 5, 6 whose lower arms 7 ', 7'a, and upper arms 8', 8'a are made in one piece with a thinning of material at their assembly zone to form an articulation 9 '.

Des lames monobloc en Vé 36 relient les bras inférieurs 7', 7'a, et supérieurs 8', 8'a pour constituer des moyens de rappel élastiques (remplissant la même fonction que le ressort spirale 12 dans le mode de réalisation des figures 1 à 4).One-piece Vee blades 36 connect the lower arms 7 ', 7'a, and upper arms 8', 8'a to constitute elastic return means (fulfilling the same function as the spiral spring 12 in the embodiment of figures 1 to 4 ).

Les leviers coudés 5, 6 sont réalisés monobloc avec la structure d'embouts de lattes 3, cela en une matière plastique, par une technique de moulage injection.
Les bras inférieurs 7', 7'a sont légèrement écartés l'un de l'autre pour des raisons techniques de moulage et ils sont mis en contact lors du montage sur la platine de fixation 15.The bent levers 5, 6 are made in one piece with the structure of slat ends 3, this in a plastic material, by an injection molding technique.
The lower arms 7 ', 7'a are slightly spaced from each other for technical reasons of molding and they are brought into contact during assembly on the mounting plate 15.

Claims (10)

  1. A slat-based support device (1, 1') for a bed base comprising a bed base frame (L), said slat-based support device (1, 1') comprising two parallel transverse slats (2, 2a), connected at each of their ends by a slat end-piece structure (3) including two slat end-pieces (4),
    said slat end-piece structure (3) being supported by two deformable bent levers (5, 6) each consisted of two arms articulated to each other, a lower one (7, 7a; 7', 7'a) and an upper one (8, 8a; 8', 8'a) supporting said slat end-piece structure (3),
    said two lower arms (7, 7a; 7', 7'a) being each ended by a gear wheel portion (10, 10a) meshing with each other,
    the pairs of gear wheels (10, 10a) of the two slat end-piece structures (3) located opposite to each other at each end of the slats (2, 2a) being rotationally coupled to each other by motion transmission rods (11),
    said motion transmission rods (11) having a square cross-section, being hollow and each extending along a longitudinal axis, the lower ends of the lower arms (7, 7a; 7', 7'a) of the two bent levers (5, 6) including a fitting recess (13) for the end of said motion transmission rods (11), of complementary square cross-section,
    said slat-based support device (1, 1') including means (14) for its fastening to said bed-base frame (L),
    and said slat-based support device (1, 1') including elastic return means (12, 36) adapted to tend to move said slat end-piece structures (3) apart from said means (14) for the fastening to the bed base frame (L),
    characterized in that said means (14) for the fastening to the bed base frame (L) consist of a fastening platen (15), associated with a support base (16),
    said fastening platen (15) is provided with means (17) for the fastening to the lower arms (7, 7a; 7', 7'a) of the two bent levers (5, 6),
    said fastening platen (15) and said support base (16) comprise means (18, 20) for their removable attachment to each other,
    and said support base (16) is provided with means (19) for its fastening to said bed base frame (L),
    said means (14) for fastening said fastening platen (15) to the lower arms (7, 7a; 7', 7'a) of the two bent levers (5, 6) being consisted of two cylindrical articulation axes (17) attached to said fastening platen (15), each adapted to fit into a fitting hole (21) of circular cross-section, acting as a journal, arranged at the lower end of a lower arm (7, 7a; 7', 7'a) of a bent lever (5, 6),
    said fitting recess (13) of said motion transmission rods (11) is located in the continuation of the fitting hole (21) of said articulation axes (17) of said fastening platen (15), and extends coaxially to the latter,
    and said articulation axes (17) extend in protrusion from their fitting hole (21) and partially penetrate into said fitting recesses (13) and into said motion transmission rods (11).
  2. The slat-based support device (1, 1') according to claim 1, characterized in that said means for the removable attachment of said fastening platen (15) to said support base (16) comprise lateral rails (18) arranged on said fastening platen (15), which cooperate with lateral guiding slides (20) arranged on said support base (16),
    an abutment structure (23) being provided to limit the possibilities of movement of said fastening platen (15) in one direction with respect to said support base (16).
  3. The slat-based support device (1, 1') according to claim 2, characterized in that said fastening platen (15) and said support base (16) include latching means (24) to removably lock the position of said fastening platen (15) with respect to said support base (16).
  4. The slat-based support device (1, 1') according to any one of claims 1 to 3, characterized in that the means for the fastening of said support base (16) on said bed base frame (L) consist of tenons (19) arranged on said support base (16), adapted to penetrate into fitting holes arranged in said bed base frame (L).
  5. The slat-based support device (1, 1') according to any one of claims 1 to 4, characterized in that said elastic return means consist of a spiral-shaped spring (12) interposed between a bearing plane (25) of said slat end-piece structures (3) and a bearing plane (26) of a plate (27) integral with said fastening platen (15).
  6. The slat-based support device (1') according to any one of claims 1 to 4, characterized in that said lower (7', 7'a) and upper (8', 8'a) arms of the bent levers (5, 6) are made single-piece with their articulation shaped as thinning of material (9'),
    said elastic return means being consisted of V-shaped blades (36) connecting said lower (7', 7'a) and upper (8', 8'a) arms of each bent lever (5, 6).
  7. The slat-based support device (1, 1') according to any one of claims 1 to 6, characterized in that it includes adjustment means (30) adapted to adjust the displacement amplitude of the upper arms (8, 8a; 8', 8'a) of the two bent levers (5, 6), to allow an adjustment of the firmness of said slat-based support device (1, 1').
  8. The slat-based support device (1, 1') according to claim 7, characterized in that said firmness adjustment means (30) comprise a slider (31) adapted to be positioned between the two slats (2, 2a) of said slat-based support device (1, 1') and to slide along these latter,
    said slider (31) including a firmness adjustment extension (32) provided with an end spacer structure (33),
    said spacer structure (33) being adapted to be positioned in a space (E) located between a bottom surface (34) of said slat end-piece structures (3) and an abutment structure (35) arranged on said upper arms (8, 8a; 8', 8'a) of the two bent levers (5, 6).
  9. The slat-based support device (1, 1') according to claim 8, characterized in that said spacer structure (33) includes at least two juxtaposed zones of different thicknesses.
  10. A bed base comprising a bed base frame (L) and a plurality of slat-based support device (1, 1') according to any one of claims 1 to 9.
EP19207758.4A 2018-11-08 2019-11-07 Support device with slats and bed base foundation provided with such support devices Active EP3649897B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1860269A FR3088183B1 (en) 2018-11-08 2018-11-08 SLAT SUPPORT DEVICE AND BEDDING BASE EQUIPPED WITH SUCH SUPPORTING DEVICES

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EP3649897A1 EP3649897A1 (en) 2020-05-13
EP3649897B1 true EP3649897B1 (en) 2021-07-28

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EP19207758.4A Active EP3649897B1 (en) 2018-11-08 2019-11-07 Support device with slats and bed base foundation provided with such support devices

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FR (1) FR3088183B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743280B1 (en) * 1996-01-10 1998-02-13 Transformation Et De Distribut SOMMIER CONSISTS OF PARALLEL SLATS
FR2771909B1 (en) 1997-12-05 2000-02-11 Gelis Isabelle De Bouvier Math SLATS
WO2010128154A2 (en) * 2009-05-07 2010-11-11 Indurub N.V. Position adjustment device for slats, slatted frame comprising such device and bed comprising such slagged frame
DE102010015799A1 (en) * 2010-04-20 2011-10-20 Siegbert Hartmann Height-adjustable recording of a storage of a bed or Untermatratzenbauteils

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