EP2253248A1 - Supporting device for slats comprising an end piece and stiffening means - Google Patents

Supporting device for slats comprising an end piece and stiffening means Download PDF

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Publication number
EP2253248A1
EP2253248A1 EP10162421A EP10162421A EP2253248A1 EP 2253248 A1 EP2253248 A1 EP 2253248A1 EP 10162421 A EP10162421 A EP 10162421A EP 10162421 A EP10162421 A EP 10162421A EP 2253248 A1 EP2253248 A1 EP 2253248A1
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EP
European Patent Office
Prior art keywords
spring member
suspension device
suspension
stiffening member
tip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10162421A
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German (de)
French (fr)
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EP2253248B1 (en
Inventor
Pascal Lobry
Jacques Lobry
Christophe Tat
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Tournadre Standard Gum SA
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Tournadre Standard Gum SA
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Application filed by Tournadre Standard Gum SA filed Critical Tournadre Standard Gum SA
Publication of EP2253248A1 publication Critical patent/EP2253248A1/en
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Publication of EP2253248B1 publication Critical patent/EP2253248B1/en
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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
    • A47C23/064—Slat supports by elastic means, e.g. coil springs by elastomeric springs

Definitions

  • the present invention relates to the field of resilient suspension slats of a bed base slats.
  • a bed base slats suspension device comprising a nozzle which has an upper section which comprises at least one housing to accommodate the end of a slat, a lower section provided with means for anchoring said end piece on the bed base , and an intermediate section having suspension elements connecting the lower section to the upper section.
  • Such a device is generally attached to a long portion of the bed frame.
  • the stiffness or flexibility of the tip depends on the material used for its manufacture and also the geometric shape of the suspension elements.
  • this type of suspension device has a unique and constant stiffness.
  • An object of the present invention is to provide a suspension device having several stiffnesses so as to provide better comfort.
  • the intermediate section further comprises a spring member, having a bearing surface, distinct from the suspension elements, this spring member being connected solely to one or the other of the upper sections. and lower, and in that the suspension elements comprise at least one contact wall remote from the spring member, this contact wall being adapted to be mechanically coupled with the bearing surface of the spring member when a pressure is applied on the tip.
  • stiffness of the nozzle is then equal to the stiffness of the suspension elements.
  • the spring member and the suspension elements are then solicited jointly, in parallel.
  • the stiffness of the nozzle is then a function of the stiffness of the suspension elements and the stiffness of the spring member.
  • threshold pressure the value of the pressure to be exerted on the tip will be called for the contact wall to come into contact with the bearing surface.
  • the suspension elements when the pressure exerted on the tip is less than the threshold pressure, only the suspension elements ensure the flexibility of the nozzle, whereas when the pressure exerted on the nozzle is greater than or equal to the threshold pressure, it is the suspension elements together with the spring member that ensure the elasticity of the tip.
  • the spring member is fixed either to the lower section or to the upper section. It is not solicited when the aforementioned coupling is not performed. Furthermore, the spring member is preferably disposed within the volume defined by the suspension elements.
  • the suspension elements are constituted by two arcuate walls extending between the lower section and the upper section, each of the arcuate walls having an end connected to that of the lower and upper sections which is not connected to the body. spring, and the contact wall extends from said end to the bearing surface of the spring member.
  • the arcuate walls preferably have a fold line, but without departing from the scope of the present invention, more folding lines can be provided.
  • the tip has two arcuate walls and two contact walls. Still preferably, the spring member is disposed between the two arcuate walls of the suspension elements.
  • the contact wall is advantageously substantially parallel to the bearing surface of the spring member.
  • the spring member comprises a portion having the general shape of a sleeve extending according to the thickness of the nozzle, said portion being connected to one or the other of the lower and upper sections by connecting walls.
  • the sleeve has a hyphenation extending along the thickness of the nozzle while being arranged opposite the section to which it is attached.
  • the connecting walls connect the edges of this gap to said section.
  • the bearing surface is constituted by a zone of the flexible portion having the general shape of a sleeve which is arranged facing that of the lower and upper sections which is not connected to the spring member.
  • This bearing surface is preferably curved.
  • the tip is preferably symmetrical with respect to a plane orthogonal to the lower and upper sections, and parallel to a direction of reception of the lath in the housing.
  • the suspension device further comprises a removable stiffening member intended to be housed in the intermediate section to increase the stiffness of the tip.
  • the stiffening member is therefore a separate part of the tip.
  • the latter can be housed in the tip by the rear face, the front or through the lower section of the tip.
  • rear and front faces is meant the faces of the tip which are orthogonal to the direction of engagement of the batten in its housing.
  • the stiffening member comprises a first portion adapted to be housed between said at least one contact wall and the bearing surface of the spring member so as to mechanically couple the suspension elements with the spring body.
  • the first portion preferably has a thickness at least equal to the distance separating the contact wall from the bearing zone, so that the mechanical coupling can be achieved when the stiffening member is housed in the tip.
  • the spring member and the suspension elements are biased regardless of the value of the pressure applied to the nozzle.
  • the tip with its stiffening member thus has a higher firmness than that of the tip alone. Moreover, since the stiffening member is advantageously removable, the user can easily modify the stiffness of the suspension device and consequently the stiffness of the coating.
  • the stiffening member has a first engagement position in which the first portion does not mechanically couple the suspension elements with the spring member and a second engagement position in which the first portion mechanically couples the suspension elements with the organ is springing.
  • the user can advantageously modify the stiffness of the suspension device without removing the stiffening member.
  • the stiffening member remaining housed in the intermediate section the user can move it between the first engagement position (the flexible position) and the second engagement position (the closed position).
  • the stiffening member further comprises a second portion adapted to increase the stiffness of the spring member.
  • the device when the stiffening member is mounted in the tip, the device may have a much greater stiffness than the tip alone when the suspension elements are coupled with the spring member, the latter having increased stiffness because of the presence of the second portion.
  • the same endpiece may receive a stiffening member having only a first portion, or a stiffening member having first and second portions.
  • the second portion is intended to be housed inside the flexible portion having the general shape of a sleeve so as to increase the stiffness of the spring member.
  • the flexible sleeve being coupled with the second portion, the stiffness of the spring member is increased.
  • the sleeve tends to collapse less on itself, which also contributes to the increase of its stiffness.
  • the stiffening member according to this variant has a first engagement position in which the first portion does not mechanically couple the suspension elements with the spring member while the second portion does not increase the stiffness of the spring member. , a second commitment position in which the first portion mechanically couples the suspension elements with the spring member while the second portion increases the stiffness of the spring member, and a third engagement position in which the first portion mechanically couples the suspension elements with the spring member while the second portion does not increase the stiffness of the spring member.
  • the stiffening member thus has a first engagement position for which the suspension device is flexible, a second engagement position for which the suspension device is firm, and a third engagement position for which the suspension device is half-flexible.
  • the user can easily choose between three modes of comfort by moving the stiffening member, the latter remaining engaged with the tip.
  • the guide is formed by the fact that the stiffening member further comprises a guide arm intended to be introduced into a passage in the upper section, said passage extending along the thickness of the tip.
  • the guide arm advantageously has a marking associated with the engagement positions, the upper section also having a window making the marking visible so as to 'to allow reading.
  • the stiffening member further comprises a plate intended to bear against the batten.
  • This plate facilitates the gripping and the displacement of the stiffening member in the tip. It is also understood that it participates in guiding the displacement of the stiffening member between its different engagement positions as soon as the plate can slide along the batten.
  • the lower section further comprises an additional housing for a lower batten and the stiffening member is intended to be housed inside the spring member while resting on the batten lower.
  • the stiffening member serves to increase the stiffness of the organ spring, following which the stiffness of the suspension elements coupled to the spring member is also increased.
  • the stiffening member comprises a head against which the connecting walls of the spring member are intended to bear.
  • the stiffening member advantageously has a platform intended to abut against the lower batten, this platform having curved lateral ends for guiding the stiffening member in translation along the lower lath when the engagement of the stiffening member in the spring member.
  • the tip of the device according to the invention further comprises means for locking the stiffening member to the tip.
  • These means make it possible in particular to ensure that the stiffening member remains locked in the engagement position chosen by the user.
  • These means are of course unlockable to allow changing the engagement position or to remove the stiffening member of the tip.
  • the stiffening member is engaged in the nozzle in a direction opposite to the insertion direction of the batten in its housing, in other words by the rear face of the tip.
  • FIGS. 1 and 2 show a tip 10 of a suspension device according to the invention, several embodiments of which will be described below.
  • This tip is preferably made of flexible plastic material.
  • This tip 10 conventionally has an upper section 12 which comprises two housings 14, 16 to accommodate the end of two slats (not shown here) in an insertion direction referenced D. These two slats are parallel and extend in a plane called sleeping plan.
  • the upper section 12 also has a plateau surface 12a on which is placed a side portion of a mattress (not shown here), it being understood that the central portion of the mattress is supported by the slats.
  • transverse direction of the tip the direction DT which is orthogonal to the longitudinal direction DL above and parallel to the insertion direction D laths.
  • the thickness of the tip is considered in this transverse direction.
  • the tip 10 For attachment to the bed base, the tip 10 has, in its lower section 18, anchoring means 20 in the form of sleeve which are intended to cooperate with tenons fixed in a long pan of the bed.
  • the tip 10 of this example comprises, in its lower section 18, an additional housing 22 for receiving a lower batten.
  • the lower sections 18 and upper 12 are interconnected by an intermediate section 24 which comprises suspension elements 26.
  • the suspension elements 26 are constituted by two flexible arcuate walls 28 in the shape of "C" opening to the inside of the mouthpiece and which can bend along fold lines 28a parallel to the transverse direction of the mouthpiece 10.
  • Each of these arcuate walls 28 has a first end 28 ' connected to the anchoring means 20, and a second end 28', opposite the first end 28 ', connected to the upper section 12.
  • the intermediate section 24 further comprises a spring member 30 which, in this example, is connected to the lower section 18 by connecting walls 32. It can be seen by means of the figure 1 that the spring member 30 is not connected to the upper section 12. Without departing from the scope of the invention, it could reverse the position of the spring member by connecting only to the upper section.
  • the spring member 30 comprises a flexible portion 34 having the general shape of a sleeve which extends along the thickness e of the nozzle 10.
  • This flexible portion 34 forming a sleeve has a convex bearing surface 36 which is arranged facing the upper section 12.
  • the bearing surface 36 is connected to the connecting walls 32 via intermediate walls 38.
  • the spring member 30 thus has two pairs of fold lines, namely a first pair of lines 34a. located between the bearing surface 36 and the intermediate walls 38, and a second pair of lines 34b located between the intermediate walls 38 and the connecting walls 32. It is understood that the spring member is able to compress itself by folding along its folding lines 34a, 34b.
  • This spring member being made of flexible plastic material, it has a spring effect having a certain stiffness.
  • the suspension elements 26 comprise contact walls 40, remote from the spring member 30 when the endpiece is at rest.
  • contact walls 40 extend towards the bearing surface 36 from the second ends 28 " of the arcuate walls 28. It can also be seen that the contact walls 40 are substantially parallel to the bearing surface 36. Moreover, these contact walls 40 are also curved and their free ends 40 forming a bead extending toward the folding lines 28 has arcuate walls 28.
  • suspension elements and the spring member are compact because they are housed in the thickness e of the intermediate section 24.
  • the tip 10 according to the invention is shaped so that, in its rest position shown on the figure 1 , the contact walls 40 do not touch the bearing surface 36. There is therefore a distance d between the contact walls 40 and the bearing surface 36.
  • the stiffness of the suspension device constituted here only by the tip, corresponds to the stiffness of the suspension elements 26, and thus the arcuate walls 28.
  • the suspension device according to the invention In its coupled position, the suspension device according to the invention therefore has a greater stiffness than it has in its decoupled position.
  • the suspension device further comprises a removable stiffening member intended to be housed in the intermediate section 24 of the end piece in order to increase the stiffness of the end piece 10.
  • a first embodiment of the suspension device 100 according to the invention is illustrated by the Figures 4 to 8 .
  • the suspension device 100 comprises a tip 110 similar to the tip 10 described above, and a stiffening member 150 visible on the figure 4 .
  • the constituent elements of the tip 100 similar to those of the tip 10 have the same reference increased by one hundred.
  • the stiffening member 150 is housed in the intermediate section 124 of the nozzle 110.
  • the stiffening member 150 comprises a first portion 152 consisting of two thick lateral wings 152a, 152b adapted and intended to be housed between the contact walls 140 and the bearing surface 136.
  • the thickness of the wings 152a, 152b corresponds substantially to the distance d existing between each of the contact walls 140 and the bearing surface 136 when the nozzle is at rest.
  • the thickness of the wings 152a, 152b is chosen so that the contact walls 140 are able to be mechanically coupled with the bearing surface 136 when the nozzle is at rest.
  • the stiffening member 152 is engaged in the tip 100 by its front face, that is to say by the face of the tip which receives the ends of the slats L.
  • the wings 152a, 152b of the stiffening member 150 are carried by a body 154 which has a guide arm 156 intended to be introduced into a passage 111 formed in the upper section 112 of the nozzle 110.
  • the passage 111 extends in the transverse direction, the thickness of the tip 110.
  • this passage 111 is formed between the two lath slots 114,116. When the stiffening member is not used, this passage can be used to house a third lath.
  • the stiffening member 150 is introduced into the nozzle 110 in its transverse direction DT.
  • a plate 158 disposed at the end of the body 154 facilitates the manipulation of the stiffening member 150. Referring to the figure 6 , It is observed that the plate 158 also serves to guide the movement of the stiffener by resting on the slat L.
  • the stiffening member has several engagement positions that adjust the firmness (or flexibility) of the suspension device.
  • the stiffening member has a first engagement position, said flexible position, in which the wings 152a, 152b do not couple the contact walls 140 with the bearing surface 136.
  • This first engagement position is visible on the figure 7 .
  • the first portion 152 carrying the wings 152a, 152b is located outside the volume defined between the bearing surface 136 and the contact walls 140 so that the coupling is not performed.
  • the stiffening member 150 is held at the end 110 by the guide arm 156 which remains partially housed in the passage 111.
  • the stiffening member also has a second engagement position in which the first portion 152 mechanically couples the suspension elements with the spring member 150. This second position is clearly visible on the figure 6 previously described.
  • the user To move from the first engagement position to the second engagement position, the user simply exerts a push on the tray 158 facing the tip 110.
  • the stiffening member 150 in this example, also has an intermediate engagement position, the mid-flexible position, visible on the figure 8 .
  • the first portion 152 is partially housed in the volume defined between the bearing surface 136 and the contact walls 140, so that the mechanical coupling is performed on a smaller surface than that of the closed position. It follows therefore that, in the mid-flexible position, the suspension device 110 has a stiffness lower than that it has in its firm position but greater than that it has in its flexible position.
  • the guide arm 156 is provided with three orifices 156a, 156b, 156c disposed one behind the other in the longitudinal direction of the arm while opening on its upper surface 156d. These orifices are intended to cooperate with a lug 113 formed in an inner wall of the passage 111. This lug 113 allows axially locking the arm 156 when said lug is positioned in one of the three orifices 156a, 156b and 156c.
  • stiffening member 150 is held in its closed position when the lug 113 cooperates with the orifice 156c, that the stiffening member is held in its half-flexible position when the lug 113 cooperates with the orifice 156b, and that it is held in its flexible position when the lug 113 cooperates with the orifice 156a.
  • the suspension device 200 comprises a tip 210 identical to the aforementioned tip 110 , and a stiffening member 250 which differs from the stiffening member 150 which has just been described in that it further comprises a second portion 260 adapted to increase the stiffness of the spring member.
  • This second portion 260 is disposed below the first portion. It also has the shape of a sleeve which is intended to be housed inside the flexible portion 234 while coming into contact with the bearing surface 236 and the intermediate walls 238.
  • first and second portions enclose the bearing surface 236 so as to prevent the spring member is plastically deformed, whereby it is ensured that the suspension device 200 has increased stiffness.
  • the stiffening member 250 also has a first engagement position, called a flexible position, in which the first portion 252 does not mechanically couple the suspension members 226 with the spring member 230, while the second portion 260 does not increase. the stiffness of the member spring 230, as is clearly visible on the figure 12 . In this flexible position, the stiffening member 250 plays no role. Furthermore, the stiffening member 250 is held in this position by the pin 213 which cooperates with the orifice 256a.
  • the stiffening member 250 also has a second engagement position, visible on the figure 11 , in which the first portion 252 mechanically couples the suspension elements 226 with the spring member 230, while the second portion 260 increases the stiffness of the spring member. In this firm position, the stiffening member 250 is held by the pin 213 which cooperates with the orifice 256c.
  • an intermediate engagement position the mid-flexible position (not shown), in which the first and second portions are partially housed in the intermediate section 224.
  • the second portion 260 has a thickness substantially equal to half the thickness of the first portion 252, so that in the intermediate position, the third position of engagement, the first portion 250 mechanically couples the suspension elements 226 with the spring member, while the second portion 260 does not increase the stiffness of the spring member 230.
  • the suspension device 300 comprises a tip 310 similar to the tip 210 described above, and a stiffening member 350 visible on the figure 15 .
  • This stiffening member 350 differs from the stiffening member 150 previously described in that it is intended to be introduced into the endpiece 300 by its rear face.
  • this stiffening member 350 may also have three engagement positions: flexible, semi-flexible and firm. It also comprises a guide arm 356 whose upper face carries a marking 358 associated with the engagement positions. The plateau 312a of the section upper 312 of the tip 300 further comprises a window 313 for reading the marking. As we also see on the figure 17 , the plate 312a is provided with a slot 315 extending in the transverse direction of the nozzle, which is intended to receive a slider 360 projecting from the upper face of the guide arm. This slider 360 makes it possible to move the stiffening member between its three engagement positions.
  • the suspension device 400 comprises a tip 410 similar to the tip 10 previously described, and a stiffening member 450 clearly visible on the figure 20 .
  • the stiffening member 450 comprises a platform 452 above which a head 454 and a retaining stud 456 extend.
  • the lateral ends 452a, 452b of the part of the platform 452 carrying the stud 456 are bent in turn. lying under the platform.
  • the width of the platform corresponds substantially to the width of the bottom lath LS so that the platform can slide along this lath through the bent ends 452a and 452b bordering the lower slat LS.
  • the slider 456 facilitates the gripping and the displacement of the stiffening member 450.
  • the platform when the stiffening member 450 is housed in the mouthpiece, the platform thus bears on the lower batten LS while the head 454 is positioned immediately below the connecting walls 432.
  • the stiffening member 450 also has a first position of engagement, flexible position, in which the stiffening member 450 is held at the end 400 while the head is not housed in the spring member 430 in below the connecting walls. It also presents a second commitment position, the firm position, visible on the figure 19 , in which the head 454 is entirely housed in the spring member 430. It finally has a third position engagement, mid-flexible position, wherein the head is partially housed in the spring member 430.
  • edges of the platform are provided with three pairs of notches 458 which cooperate with lugs arranged on either side of the connecting walls 432 so as to lock the spring member 450 in one of his three commitment positions.

Abstract

The device has an end fitting (10) with an intermediate section comprising a spring unit (30) whose support surface (36) is distinct from suspension elements (26) of the section. The end fitting has an upper section (12) with housings (14, 16) for receiving an end of a slat and an end of another slat. The spring unit is only connected to the upper section or a lower section (18) of the end fitting. Contact walls (40) of the elements are remote from the spring unit when the end fitting is at rest, and mechanically coupled with the support surface when pressure is applied on the end fitting.

Description

La présente invention concerne le domaine de la suspension élastique de lattes d'un sommier de lattes.The present invention relates to the field of resilient suspension slats of a bed base slats.

Elle concerne plus précisément un dispositif de suspension de lattes de sommier comprenant un embout qui présente une section supérieure qui comporte au moins un logement pour accueillir l'extrémité d'une latte, une section inférieure munie de moyens d'ancrage dudit embout sur le sommier, et une section intermédiaire comportant des éléments de suspension reliant la section inférieure à la section supérieure.It relates more specifically to a bed base slats suspension device comprising a nozzle which has an upper section which comprises at least one housing to accommodate the end of a slat, a lower section provided with means for anchoring said end piece on the bed base , and an intermediate section having suspension elements connecting the lower section to the upper section.

Un tel dispositif est généralement fixé à un long pan du cadre du sommier.Such a device is generally attached to a long portion of the bed frame.

La raideur ou la souplesse de l'embout dépend du matériau utilisé pour sa fabrication et aussi de la forme géométrique des éléments de suspension.The stiffness or flexibility of the tip depends on the material used for its manufacture and also the geometric shape of the suspension elements.

Au demeurant, ce type de dispositif de suspension présente une raideur unique et constante.Moreover, this type of suspension device has a unique and constant stiffness.

Un but de la présente invention est de proposer un dispositif de suspension présentant plusieurs raideurs de manière à offrir un meilleur confort.An object of the present invention is to provide a suspension device having several stiffnesses so as to provide better comfort.

L'invention atteint son but par le fait que la section intermédiaire comporte en outre un organe ressort, ayant une surface d'appui, distinct des éléments de suspension, cet organe ressort étant uniquement relié à l'une ou l'autre des sections supérieure et inférieure, et par le fait que les éléments de suspension comprennent au moins une paroi de contact distante de l'organe ressort, cette paroi de contact étant apte à être mécaniquement couplée avec la surface d'appui de l'organe ressort lorsque une pression est appliquée sur l'embout.The invention achieves its object by the fact that the intermediate section further comprises a spring member, having a bearing surface, distinct from the suspension elements, this spring member being connected solely to one or the other of the upper sections. and lower, and in that the suspension elements comprise at least one contact wall remote from the spring member, this contact wall being adapted to be mechanically coupled with the bearing surface of the spring member when a pressure is applied on the tip.

Ainsi lorsqu'on exerce une faible pression sur l'embout, seuls les éléments de suspension sont sollicités dès lors que le débattement des éléments de suspension reste inférieur à la distance séparant la paroi de contact de la surface d'appui.Thus, when there is a slight pressure on the tip, only the suspension elements are biased as soon as the movement of the suspension elements remains less than the distance separating the contact wall from the bearing surface.

On comprend donc que la raideur de l'embout est alors égale à la raideur des éléments de suspension.It is therefore understood that the stiffness of the nozzle is then equal to the stiffness of the suspension elements.

Lorsque la pression exercée sur l'embout est importante, la paroi de contact vient en contact avec la surface d'appui de sorte que les éléments de suspension soient couplés mécaniquement avec l'organe ressort.When the pressure exerted on the tip is large, the contact wall comes into contact with the bearing surface so that the suspension elements are mechanically coupled with the spring member.

L'organe ressort et les éléments de suspension sont alors sollicités conjointement, en parallèle. La raideur de l'embout est alors fonction de la raideur des éléments de suspension et de la raideur de l'organe ressort.The spring member and the suspension elements are then solicited jointly, in parallel. The stiffness of the nozzle is then a function of the stiffness of the suspension elements and the stiffness of the spring member.

On appellera dans la suite « pression seuil », la valeur de la pression à exercer sur l'embout pour que la paroi de contact vienne en contact avec la surface d'appui.In the following "threshold pressure", the value of the pressure to be exerted on the tip will be called for the contact wall to come into contact with the bearing surface.

Pour résumé, lorsque la pression exercée sur l'embout est inférieure à la pression seuil, seuls les éléments de suspension assurent la souplesse de l'embout, tandis que lorsque la pression exercée sur l'embout est supérieure ou égale à la pression seuil, ce sont les éléments de suspension ensemble avec l'organe ressort qui assurent l'élasticité de l'embout.To summarize, when the pressure exerted on the tip is less than the threshold pressure, only the suspension elements ensure the flexibility of the nozzle, whereas when the pressure exerted on the nozzle is greater than or equal to the threshold pressure, it is the suspension elements together with the spring member that ensure the elasticity of the tip.

On obtient alors un effet souplesse progressif qui améliore le confort ressenti par l'utilisateur.This gives a progressive flexibility effect that improves the comfort felt by the user.

Selon l'invention, l'organe ressort est fixé soit à la section inférieure, soit à la section supérieure. Il n'est donc pas sollicité lorsque le couplage précité n'est pas réalisé. Par ailleurs, l'organe ressort est préférentiellement disposé à l'intérieur du volume défini par les éléments de suspension.According to the invention, the spring member is fixed either to the lower section or to the upper section. It is not solicited when the aforementioned coupling is not performed. Furthermore, the spring member is preferably disposed within the volume defined by the suspension elements.

De préférence, les éléments de suspension sont constitués par deux parois arquées s'étendant entre la section inférieure et la section supérieure, chacune des parois arquées présentant une extrémité reliée à celle des sections inférieure et supérieure qui n'est pas reliée à l'organe ressort, et la paroi de contact s'étend depuis ladite extrémité vers la surface d'appui de l'organe ressort.Preferably, the suspension elements are constituted by two arcuate walls extending between the lower section and the upper section, each of the arcuate walls having an end connected to that of the lower and upper sections which is not connected to the body. spring, and the contact wall extends from said end to the bearing surface of the spring member.

Les parois arquées présentent préférentiellement une ligne de pliage mais, sans sortir du cadre de la présente invention, on peut prévoir davantage de lignes de pliage.The arcuate walls preferably have a fold line, but without departing from the scope of the present invention, more folding lines can be provided.

De préférence, l'embout possède deux parois arquées et deux parois de contact. Encore de préférence, l'organe ressort est disposé entre les deux parois arqués des éléments de suspension.Preferably, the tip has two arcuate walls and two contact walls. Still preferably, the spring member is disposed between the two arcuate walls of the suspension elements.

Pour offrir un contact stable, la paroi de contact est, de manière avantageuse, sensiblement parallèle à la surface d'appui de l'organe ressort.To provide a stable contact, the contact wall is advantageously substantially parallel to the bearing surface of the spring member.

Selon un mode de réalisation préféré de l'invention, l'organe ressort comprend une portion ayant la forme générale d'un manchon s'étendant selon l'épaisseur de l'embout, ladite portion étant reliée à l'une ou l'autre des sections inférieure et supérieure par des parois de liaison.According to a preferred embodiment of the invention, the spring member comprises a portion having the general shape of a sleeve extending according to the thickness of the nozzle, said portion being connected to one or the other of the lower and upper sections by connecting walls.

De préférence, le manchon présente une césure s'étendant selon l'épaisseur de l'embout tout en étant disposé en regard de la section à laquelle il est fixé. Les parois de liaison relient les bords de cette césure à ladite section.Preferably, the sleeve has a hyphenation extending along the thickness of the nozzle while being arranged opposite the section to which it is attached. The connecting walls connect the edges of this gap to said section.

Avantageusement, la surface d'appui est constituée par une zone de la portion souple ayant la forme générale d'un manchon qui est disposée en regard de celle des sections inférieure et supérieure qui n'est pas reliée à l'organe ressort. Cette surface d'appui est préférentiellement bombée.Advantageously, the bearing surface is constituted by a zone of the flexible portion having the general shape of a sleeve which is arranged facing that of the lower and upper sections which is not connected to the spring member. This bearing surface is preferably curved.

Par ailleurs, l'embout est préférentiellement symétrique par rapport à un plan orthogonal aux sections inférieure et supérieure, et parallèle à une direction d'accueil de la latte dans le logement.Furthermore, the tip is preferably symmetrical with respect to a plane orthogonal to the lower and upper sections, and parallel to a direction of reception of the lath in the housing.

Selon un aspect particulièrement avantageux de l'invention, le dispositif de suspension comporte en outre un organe raidisseur amovible destiné à être logé dans la section intermédiaire afin d'augmenter la raideur de l'embout.According to a particularly advantageous aspect of the invention, the suspension device further comprises a removable stiffening member intended to be housed in the intermediate section to increase the stiffness of the tip.

L'organe raidisseur est donc une pièce distincte de l'embout. Ce dernier peut être logé dans l'embout par la face arrière, la face avant ou encore au travers de la section inférieure de l'embout. Par faces arrière et avant, on entend les faces de l'embout qui sont orthogonales à la direction d'engagement de la latte dans son logement.The stiffening member is therefore a separate part of the tip. The latter can be housed in the tip by the rear face, the front or through the lower section of the tip. By rear and front faces is meant the faces of the tip which are orthogonal to the direction of engagement of the batten in its housing.

Selon un premier mode de réalisation, l'organe raidisseur comprend une première portion apte à être logée entre ladite au moins une paroi de contact et la surface d'appui de l'organe ressort de manière à coupler mécaniquement les éléments de suspension avec l'organe ressort.According to a first embodiment, the stiffening member comprises a first portion adapted to be housed between said at least one contact wall and the bearing surface of the spring member so as to mechanically couple the suspension elements with the spring body.

La première portion présente préférentiellement une épaisseur au moins égale à la distance séparant la paroi de contact de la zone d'appui, de sorte que le couplage mécanique peut être réalisé lorsque l'organe raidisseur est logé dans l'embout. Dans ce cas, l'organe ressort et les éléments de suspension sont sollicités quelle que soit la valeur de la pression appliquée à l'embout.The first portion preferably has a thickness at least equal to the distance separating the contact wall from the bearing zone, so that the mechanical coupling can be achieved when the stiffening member is housed in the tip. In this case, the spring member and the suspension elements are biased regardless of the value of the pressure applied to the nozzle.

L'embout avec son organe raidisseur présente donc une fermeté supérieure à celle de l'embout seul. De plus, comme l'organe raidisseur est avantageusement amovible, l'utilisateur peut aisément modifier la raideur du dispositif de suspension et par suite la raideur du couchage.The tip with its stiffening member thus has a higher firmness than that of the tip alone. Moreover, since the stiffening member is advantageously removable, the user can easily modify the stiffness of the suspension device and consequently the stiffness of the coating.

Avantageusement, l'organe raidisseur présente une première position d'engagement dans laquelle la première portion ne couple pas mécaniquement les éléments de suspension avec l'organe ressort et une deuxième position d'engagement dans laquelle la première portion couple mécaniquement les éléments de suspension avec l'organe ressort.Advantageously, the stiffening member has a first engagement position in which the first portion does not mechanically couple the suspension elements with the spring member and a second engagement position in which the first portion mechanically couples the suspension elements with the organ is springing.

Ainsi, l'utilisateur peut avantageusement modifier la raideur du dispositif de suspension sans enlever l'organe raidisseur. Autrement dit, l'organe raidisseur restant logé dans la section intermédiaire, l'utilisateur peut le déplacer entre la première position d'engagement (la position souple) et la deuxième position d'engagement (la position ferme).Thus, the user can advantageously modify the stiffness of the suspension device without removing the stiffening member. In other words, the stiffening member remaining housed in the intermediate section, the user can move it between the first engagement position (the flexible position) and the second engagement position (the closed position).

Selon une variante du premier mode de réalisation, l'organe raidisseur comprend en outre une deuxième portion apte à augmenter la raideur de l'organe ressort.According to a variant of the first embodiment, the stiffening member further comprises a second portion adapted to increase the stiffness of the spring member.

Ainsi, lorsque l'organe raidisseur est monté dans l'embout, le dispositif peut présenter une raideur bien supérieure à celle de l'embout seul dès lors que les éléments de suspension sont couplés avec l'organe ressort, ce dernier présentant une raideur augmentée du fait de la présence de la deuxième portion.Thus, when the stiffening member is mounted in the tip, the device may have a much greater stiffness than the tip alone when the suspension elements are coupled with the spring member, the latter having increased stiffness because of the presence of the second portion.

Sans sortir du cadre de la présente invention, un même embout pourra recevoir un organe raidisseur possédant uniquement une première portion, ou bien un organe raidisseur possédant des première et deuxième portions.Without departing from the scope of the present invention, the same endpiece may receive a stiffening member having only a first portion, or a stiffening member having first and second portions.

De manière préférentielle, la deuxième portion est destinée à venir se loger à l'intérieur de la portion souple ayant la forme générale d'un manchon de manière à augmenter la raideur de l'organe ressort.Preferably, the second portion is intended to be housed inside the flexible portion having the general shape of a sleeve so as to increase the stiffness of the spring member.

Le manchon souple étant couplé avec la deuxième portion, la raideur de l'organe ressort est augmenté. En outre, le manchon a tendance à moins s'écraser sur lui-même, ce qui contribue également à l'augmentation de sa raideur.The flexible sleeve being coupled with the second portion, the stiffness of the spring member is increased. In addition, the sleeve tends to collapse less on itself, which also contributes to the increase of its stiffness.

Avantageusement, l'organe raidisseur selon cette variante présente une première position d'engagement dans laquelle la première portion ne couple pas mécaniquement les éléments de suspension avec l'organe ressort tandis que la deuxième portion n'augmente pas la raideur de l'organe ressort, une deuxième position d'engagement dans laquelle la première portion couple mécaniquement les éléments de suspension avec l'organe ressort tandis que la deuxième portion augmente la raideur de l'organe ressort, et une troisième position d'engagement dans laquelle la première portion couple mécaniquement les éléments de suspension avec l'organe ressort tandis que la deuxième portion n'augmente pas la raideur de l'organe ressort.Advantageously, the stiffening member according to this variant has a first engagement position in which the first portion does not mechanically couple the suspension elements with the spring member while the second portion does not increase the stiffness of the spring member. , a second commitment position in which the first portion mechanically couples the suspension elements with the spring member while the second portion increases the stiffness of the spring member, and a third engagement position in which the first portion mechanically couples the suspension elements with the spring member while the second portion does not increase the stiffness of the spring member.

Dans cette variante, l'organe raidisseur présente donc une première position d'engagement pour laquelle le dispositif de suspension est souple, une deuxième position d'engagement pour laquelle le dispositif de suspension est ferme, ainsi qu'une troisième position d'engagement pour laquelle le dispositif de suspension est mi-souple.In this variant, the stiffening member thus has a first engagement position for which the suspension device is flexible, a second engagement position for which the suspension device is firm, and a third engagement position for which the suspension device is half-flexible.

Ainsi, grâce à l'invention, l'utilisateur peut aisément choisir entre trois modes de confort en déplaçant l'organe raidisseur, ce dernier restant engagé avec l'embout.Thus, thanks to the invention, the user can easily choose between three modes of comfort by moving the stiffening member, the latter remaining engaged with the tip.

De préférence, le guidage est réalisé par le fait que l'organe raidisseur comporte en outre un bras de guidage destiné à être introduit dans un passage ménagé dans la section supérieure, ledit passage s'étendant selon l'épaisseur de l'embout.Preferably, the guide is formed by the fact that the stiffening member further comprises a guide arm intended to be introduced into a passage in the upper section, said passage extending along the thickness of the tip.

Pour permettre à l'utilisateur de savoir dans quelle position d'engagement se trouve l'organe raidisseur, le bras de guidage présente avantageusement un marquage associé aux positions d'engagement, la section supérieure présentant en outre une fenêtre rendant visible le marquage afin d'en permettre la lecture.To enable the user to know in which engagement position the stiffening member is located, the guide arm advantageously has a marking associated with the engagement positions, the upper section also having a window making the marking visible so as to 'to allow reading.

De manière préférentielle, mais non exclusivement, l'organe raidisseur comprend en outre un plateau destiné à venir en appui sur la latte. Ce plateau facilite la préhension et le déplacement de l'organe raidisseur dans l'embout. On comprend aussi qu'il participe au guidage du déplacement de l'organe raidisseur entre ses différentes positions d'engagement dès lors que le plateau peut glisser le long de la latte.Preferably, but not exclusively, the stiffening member further comprises a plate intended to bear against the batten. This plate facilitates the gripping and the displacement of the stiffening member in the tip. It is also understood that it participates in guiding the displacement of the stiffening member between its different engagement positions as soon as the plate can slide along the batten.

Selon un deuxième mode de réalisation de l'invention, la section inférieure comporte en outre un logement additionnel pour une latte inférieure et l'organe raidisseur est destiné à être logé à l'intérieur de l'organe ressort tout en prenant appui sur la latte inférieure.According to a second embodiment of the invention, the lower section further comprises an additional housing for a lower batten and the stiffening member is intended to be housed inside the spring member while resting on the batten lower.

On comprend donc que dans ce second mode de réalisation, l'organe raidisseur a pour fonction d'augmenter la raideur de l'organe ressort, à la suite de quoi la raideur des éléments de suspension couplés à l'organe ressort est également augmentée.It is therefore understood that in this second embodiment, the stiffening member serves to increase the stiffness of the organ spring, following which the stiffness of the suspension elements coupled to the spring member is also increased.

De préférence, l'organe raidisseur comporte une tête contre laquelle les parois de liaison de l'organe ressort sont destinées à venir en appui.Preferably, the stiffening member comprises a head against which the connecting walls of the spring member are intended to bear.

Ainsi, on réalise un couplage mécanique entre les parois de liaison et la tête de l'organe raidisseur en conséquence de quoi la raideur de l'organe ressort est augmentée. De plus, la tête bloque le débattement des parois de liaison, ce qui contribue également à accroitre la raideur de l'organe ressort dès lors que l'on empêche les parois de liaison de se plier.Thus, a mechanical coupling is made between the connecting walls and the head of the stiffening member as a result of which the stiffness of the spring member is increased. In addition, the head blocks the deflection of the connecting walls, which also contributes to increase the stiffness of the spring member as soon as the connecting walls are prevented from bending.

Pour faciliter son engagement, l'organe raidisseur présente avantageusement une plate-forme destinée à venir en appui contre la latte inférieure, cette plate-forme présentant des extrémités latérales courbées permettant de guider en translation l'organe raidisseur le long de la latte inférieure lors de l'engagement de l'organe raidisseur dans l'organe ressort.To facilitate its engagement, the stiffening member advantageously has a platform intended to abut against the lower batten, this platform having curved lateral ends for guiding the stiffening member in translation along the lower lath when the engagement of the stiffening member in the spring member.

De manière particulièrement avantageuse, l'embout du dispositif selon l'invention comporte en outre des moyens pour verrouiller l'organe raidisseur à l'embout. Ces moyens permettent en particulier de s'assurer que l'organe raidisseur reste verrouillé dans la position d'engagement choisie par l'utilisateur. Ces moyens sont bien entendu déverrouillables pour permettre de changer la position d'engagement ou bien pour enlever l'organe raidisseur de l'embout.Particularly advantageously, the tip of the device according to the invention further comprises means for locking the stiffening member to the tip. These means make it possible in particular to ensure that the stiffening member remains locked in the engagement position chosen by the user. These means are of course unlockable to allow changing the engagement position or to remove the stiffening member of the tip.

Selon une variante particulière, mais non limitative, l'organe raidisseur est engagé dans l'embout selon un sens opposé au sens d'insertion de la latte dans son logement, autrement dit par la face arrière de l'embout.According to a particular variant, but not limited to, the stiffening member is engaged in the nozzle in a direction opposite to the insertion direction of the batten in its housing, in other words by the rear face of the tip.

L'invention sera mieux comprise et ses avantages apparaîtront mieux à la lecture de la description qui suit, de modes de réalisation indiqués à titre d'exemples non limitatifs. La description se réfère aux dessins annexés sur lesquels :

  • la figure 1 est une vue de face de l'embout d'un dispositif de suspension selon l'invention ;
  • la figure 2 est une vue de côté en coupe II-II de l'embout de la figure 1 ;
  • la figure 3 représente l'embout de la figure 1 lorsque les éléments de suspension sont couplés à l'organe ressort ;
  • la figure 4 est une vue en perspective d'un premier mode de réalisation d'un organe raidisseur ;
  • la figure 5 est une vue de face d'un embout selon l'invention dans lequel est engagé l'organe raidisseur de la figure 4 ;
  • la figure 6 est une vue de côté en coupe de l'embout de la figure 5 lorsque l'organe raidisseur est dans sa position ferme ;
  • la figure 7 est une vue de côté en coupe de l'embout de la figure 5 lorsque l'organe raidisseur est dans sa position souple ;
  • la figure 8 est une vue de côté en coupe de l'embout de la figure 5 lorsque l'organe raidisseur est dans sa position mi-souple ;
  • la figure 9 représente une première variante du premier mode de réalisation de l'organe raidisseur ;
  • la figure 10 est une vue de face d'un embout selon l'invention comportant l'organe raidisseur de la figure 9 ;
  • la figure 11 est une vue de côté en coupe de l'embout de la figure 10 dans laquelle l'organe raidisseur est dans sa position ferme ;
  • la figure 12 est une vue de côté en coupe de l'embout de la figure 10 dans laquelle l'organe raidisseur est dans sa position souple ;
  • la figure 13 est une vue de côté en coupe de l'embout de la figure 10 dans laquelle l'organe raidisseur est dans sa position mi-souple ;
  • la figure 14 représente en vue de face, une deuxième variante du premier mode de réalisation du dispositif de suspension selon l'invention ;
  • la figure 15 montre l'organe raidisseur du dispositif de suspension de la figure 14 ;
  • la figure 16 est une vue de côté en coupe du dispositif de suspension de la figure 14 , l'organe raidisseur étant dans sa position ferme ;
  • la figure 17 est une vue de dessus du dispositif de suspension de la figure 14 ;
  • la figure 18 est une vue de face du dispositif de suspension selon un deuxième mode de réalisation de l'invention, dans lequel l'organe raidisseur est dans sa position ferme ;
  • la figure 19 est une vue en coupe de côté du dispositif de la figure 18 ; et
  • la figure 20 est une vue en perspective de l'organe raidisseur destiné à être engagé dans l'embout du dispositif de suspension de la figure 14 .
The invention will be better understood and its advantages will appear better on reading the following description of embodiments given by way of non-limiting examples. The description refers to the accompanying drawings in which:
  • the figure 1 is a front view of the tip of a suspension device according to the invention;
  • the figure 2 is a side view in section II-II of the mouthpiece of the figure 1 ;
  • the figure 3 represents the tip of the figure 1 when the suspension elements are coupled to the spring member;
  • the figure 4 is a perspective view of a first embodiment of a stiffening member;
  • the Figure 5 is a front view of a tip according to the invention in which is engaged the stiffening member of the figure 4 ;
  • the figure 6 is a sectional side view of the mouthpiece of the Figure 5 when the stiffening member is in its firm position;
  • the figure 7 is a sectional side view of the mouthpiece of the Figure 5 when the stiffening member is in its flexible position;
  • the figure 8 is a sectional side view of the mouthpiece of the Figure 5 when the stiffening member is in its half-flexible position;
  • the figure 9 represents a first variant of the first embodiment of the stiffening member;
  • the figure 10 is a front view of a tip according to the invention comprising the stiffening member of the figure 9 ;
  • the figure 11 is a sectional side view of the mouthpiece of the figure 10 wherein the stiffening member is in its closed position;
  • the figure 12 is a sectional side view of the mouthpiece of the figure 10 wherein the stiffening member is in its flexible position;
  • the Figure 13 is a sectional side view of the mouthpiece of the figure 10 wherein the stiffening member is in its half-flexible position;
  • the figure 14 represents in front view, a second variant of the first embodiment of the suspension device according to the invention;
  • the figure 15 shows the stiffening member of the suspension device of the figure 14 ;
  • the figure 16 is a sectional side view of the suspension device of the figure 14 The stiffening member being in its closed position;
  • the figure 17 is a top view of the suspension device of the figure 14 ;
  • the figure 18 is a front view of the suspension device according to a second embodiment of the invention, wherein the stiffening member is in its closed position;
  • the figure 19 is a side sectional view of the device of the figure 18 ; and
  • the figure 20 is a perspective view of the stiffening member intended to be engaged in the tip of the suspension device of the figure 14 .

Les figures 1 et 2 montrent un embout 10 d'un dispositif de suspension conforme à l'invention dont plusieurs modes de réalisation seront décrits ci-après. Cet embout est de préférence réalisé en matière plastique souple.The Figures 1 and 2 show a tip 10 of a suspension device according to the invention, several embodiments of which will be described below. This tip is preferably made of flexible plastic material.

Cet embout 10 présente classiquement une section supérieure 12 qui comporte deux logements 14, 16 pour accueillir l'extrémité de deux lattes (non représentées ici) selon une direction d'insertion référencée D. Ces deux lattes sont parallèles et s'étendent dans un plan, appelé plan de couchage.This tip 10 conventionally has an upper section 12 which comprises two housings 14, 16 to accommodate the end of two slats (not shown here) in an insertion direction referenced D. These two slats are parallel and extend in a plane called sleeping plan.

La section supérieure 12 présente également une surface 12a formant plateau sur laquelle vient se poser une portion latérale d'un matelas (non représenté ici), étant entendu que la portion centrale du matelas est supportée par les lattes.The upper section 12 also has a plateau surface 12a on which is placed a side portion of a mattress (not shown here), it being understood that the central portion of the mattress is supported by the slats.

Dans la suite, on appellera « direction longitudinale de l'embout » la direction DL qui est orthogonale au plan de symétrie P de l'embout, étant précisé que ce plan de symétrie est parallèle à la direction longitudinale des lattes et orthogonal à la surface 12a formant plateau.In the following, we will call "longitudinal direction of the tip" direction DL which is orthogonal to the plane of symmetry P of the tip, it being specified that this plane of symmetry is parallel to the longitudinal direction of the slats and orthogonal to the surface 12a forming a plateau.

En outre, on appellera « direction transversale de l'embout », la direction DT qui est orthogonale à la direction longitudinale DL précitée et parallèle à la direction D d'insertion des lattes. L'épaisseur de l'embout est considérée selon cette direction transversale.In addition, the term "transverse direction of the tip", the direction DT which is orthogonal to the longitudinal direction DL above and parallel to the insertion direction D laths. The thickness of the tip is considered in this transverse direction.

Pour sa fixation au sommier, l'embout 10 comporte, dans sa section inférieure 18, des moyens d'ancrage 20 en forme de manchon qui sont destinés à coopérer avec des tenons fixés dans un long pan du sommier.For attachment to the bed base, the tip 10 has, in its lower section 18, anchoring means 20 in the form of sleeve which are intended to cooperate with tenons fixed in a long pan of the bed.

On constate également que l'embout 10 de cet exemple comporte, dans sa section inférieure 18, un logement additionnel 22 pour recevoir une latte inférieure.It is also noted that the tip 10 of this example comprises, in its lower section 18, an additional housing 22 for receiving a lower batten.

Les sections inférieure 18 et supérieure 12 sont reliées entre elles par une section intermédiaire 24 qui comporte des éléments de suspension 26. Dans cet exemple, les éléments de suspension 26 sont constitués de deux parois arquées 28 souples en forme de « C » s'ouvrant vers l'intérieur de l'embout et qui peuvent se plier selon des lignes de pliage 28a parallèles à la direction transversale de l'embout 10. The lower sections 18 and upper 12 are interconnected by an intermediate section 24 which comprises suspension elements 26. In this example, the suspension elements 26 are constituted by two flexible arcuate walls 28 in the shape of "C" opening to the inside of the mouthpiece and which can bend along fold lines 28a parallel to the transverse direction of the mouthpiece 10.

Chacune de ces parois arquées 28 présente une première extrémité 28' reliée aux moyens d'ancrage 20, et une seconde extrémité 28", opposée à la première extrémité 28', reliée à la section supérieure 12. Each of these arcuate walls 28 has a first end 28 ' connected to the anchoring means 20, and a second end 28', opposite the first end 28 ', connected to the upper section 12.

On comprend donc que lorsqu'une pression est appliquée à cet embout 10, notamment lorsqu'une pression est appliquée sur les lattes, perpendiculairement par rapport au plan de couchage, les parois arquées 28 plient selon leurs lignes de pliage 28a, en présentant un effet ressort. La section supérieure 12 se rapproche donc de la section inférieure 18. It is therefore understood that when pressure is applied to this tip 10, especially when pressure is applied to the slats, perpendicular to the coating plane, the arcuate walls 28 fold along their fold lines 28a, having an effect spring. The upper section 12 is thus close to the lower section 18.

Conformément à l'invention, la section intermédiaire 24 comporte en outre un organe ressort 30 qui, dans cet exemple, est relié à la section inférieure 18 par des parois de liaison 32. On constate à l'aide de la figure 1 que l'organe ressort 30 n'est pas relié à la section supérieure 12. Sans sortir du cadre de l'invention, on pourrait inverser la position de l'organe ressort en le reliant uniquement à la section supérieure.According to the invention, the intermediate section 24 further comprises a spring member 30 which, in this example, is connected to the lower section 18 by connecting walls 32. It can be seen by means of the figure 1 that the spring member 30 is not connected to the upper section 12. Without departing from the scope of the invention, it could reverse the position of the spring member by connecting only to the upper section.

Dans l'exemple de la figure 1 , l'organe ressort 30 comprend une portion souple 34 ayant la forme générale d'un manchon qui s'étend selon l'épaisseur e de l'embout 10. In the example of the figure 1 , the spring member 30 comprises a flexible portion 34 having the general shape of a sleeve which extends along the thickness e of the nozzle 10.

Cette portion souple 34 formant manchon présente une surface d'appui 36 bombée qui est disposée en regard de la section supérieure 12. This flexible portion 34 forming a sleeve has a convex bearing surface 36 which is arranged facing the upper section 12.

La surface d'appui 36 est reliée aux parois de liaison 32 par le biais de parois intermédiaires 38. L'organe ressort 30 présente ainsi deux paires de lignes de pliage, à savoir une première paire de lignes 34a située entre la surface d'appui 36 et les parois intermédiaires 38, et une seconde paire de lignes 34b située entre les parois intermédiaires 38 et les parois de liaison 32. On comprend que l'organe ressort est apte à se comprimer sur lui-même en se pliant selon ses lignes de pliage 34a,34b. The bearing surface 36 is connected to the connecting walls 32 via intermediate walls 38. The spring member 30 thus has two pairs of fold lines, namely a first pair of lines 34a. located between the bearing surface 36 and the intermediate walls 38, and a second pair of lines 34b located between the intermediate walls 38 and the connecting walls 32. It is understood that the spring member is able to compress itself by folding along its folding lines 34a, 34b.

Cet organe ressort étant réalisé en matière plastique souple, il présente un effet ressort ayant une certaine raideur.This spring member being made of flexible plastic material, it has a spring effect having a certain stiffness.

Selon l'invention, les éléments de suspension 26 comprennent des parois de contact 40, distantes de l'organe ressort 30 lorsque l'embout est au repos.According to the invention, the suspension elements 26 comprise contact walls 40, remote from the spring member 30 when the endpiece is at rest.

Ces parois de contact 40 s'étendent vers la surface d'appui 36 depuis les secondes extrémités 28" des parois arquées 28. On constate également que les parois de contact 40 sont sensiblement parallèles à la surface d'appui 36. Par ailleurs, ces parois de contact 40 sont également arquées et leurs extrémités libres 40a formant bourrelet s'étendent vers les lignes de pliage 28a des parois arquées 28. These contact walls 40 extend towards the bearing surface 36 from the second ends 28 " of the arcuate walls 28. It can also be seen that the contact walls 40 are substantially parallel to the bearing surface 36. Moreover, these contact walls 40 are also curved and their free ends 40 forming a bead extending toward the folding lines 28 has arcuate walls 28.

Par ailleurs, en se référant à la figure 2 , on constate que les éléments de suspension et l'organe ressort sont peu encombrants puisqu'ils sont logés dans l'épaisseur e de la section intermédiaire 24. Moreover, referring to the figure 2 , It is noted that the suspension elements and the spring member are compact because they are housed in the thickness e of the intermediate section 24.

Comme indiqué ci-dessus, l'embout 10 selon l'invention est conformé de telle sorte que, dans sa position de repos représentée sur la figure 1 , les parois de contact 40 ne touchent pas la surface d'appui 36. Il existe donc une distance d entre les parois de contact 40 et la surface d'appui 36. As indicated above, the tip 10 according to the invention is shaped so that, in its rest position shown on the figure 1 , the contact walls 40 do not touch the bearing surface 36. There is therefore a distance d between the contact walls 40 and the bearing surface 36.

Il s'ensuit que lorsque la pression appliquée à l'embout est faible (l'embout demeurant dans sa position découplée), c'est-à-dire tant que les parois de contact 40 ne touchent pas la surface d'appui, la raideur du dispositif de suspension, constitué ici uniquement par l'embout, correspond à la raideur des éléments de suspension 26, donc des parois arquées 28. It follows that when the pressure applied to the tip is small (the tip remains in its decoupled position), that is to say as long as the contact walls 40 do not touch the bearing surface, the the stiffness of the suspension device, constituted here only by the tip, corresponds to the stiffness of the suspension elements 26, and thus the arcuate walls 28.

Comme on le comprend à l'aide de la figure 3 , lorsque la pression appliquée à l'embout 10 est plus importante, les parois arquées se plient et les parois de contact 40 viennent en contact avec la surface d'appui 36 de sorte que les parois de contact 40 sont mécaniquement couplées avec la surface d'appui 36, en conséquence de quoi la raideur de l'embout, dans sa position couplée de la figure 3 , est fonction de la raideur des éléments de suspension 26 et de la raideur de l'organe ressort 30. As can be understood by using the figure 3 When the pressure applied to the nozzle 10 is greater, the arcuate walls fold and the contact walls 40 come into contact with the bearing surface 36 so that the contact walls 40 are mechanically coupled with the surface of 36, as a result of which the stiffness of the endpiece, in its coupled position of the figure 3 , is a function of the stiffness of the suspension elements 26 and the stiffness of the spring member 30.

Dans sa position couplée, le dispositif de suspension selon l'invention présente donc une raideur supérieure à celle qu'il présente dans sa position découplée.In its coupled position, the suspension device according to the invention therefore has a greater stiffness than it has in its decoupled position.

Selon un aspect avantageux de l'invention, le dispositif de suspension comporte en outre un organe raidisseur amovible destiné à être logé dans la section intermédiaire 24 de l'embout afin d'augmenter la raideur de l'embout 10. According to an advantageous aspect of the invention, the suspension device further comprises a removable stiffening member intended to be housed in the intermediate section 24 of the end piece in order to increase the stiffness of the end piece 10.

Plusieurs modes de réalisation du dispositif de suspension selon l'invention vont maintenant être décrits.Several embodiments of the suspension device according to the invention will now be described.

Un premier mode de réalisation du dispositif de suspension 100 selon l'invention est illustré par les figures 4 à 8 . A first embodiment of the suspension device 100 according to the invention is illustrated by the Figures 4 to 8 .

Dans ce mode de réalisation, le dispositif de suspension 100 comporte un embout 110 similaire à l'embout 10 décrit précédemment, ainsi qu'un organe raidisseur 150 visible sur la figure 4 . Les éléments constitutifs de l'embout 100 similaires à ceux de l'embout 10 portent la même référence augmentée de la valeur cent.In this embodiment, the suspension device 100 comprises a tip 110 similar to the tip 10 described above, and a stiffening member 150 visible on the figure 4 . The constituent elements of the tip 100 similar to those of the tip 10 have the same reference increased by one hundred.

Comme on comprend à l'aide des figures 5 et 6 , l'organe raidisseur 150 vient se loger dans la section intermédiaire 124 de l'embout 110. As we understand with the help of Figures 5 and 6 , the stiffening member 150 is housed in the intermediate section 124 of the nozzle 110.

Plus précisément, l'organe raidisseur 150 comporte une première portion 152 constituée de deux ailes latérales épaisses 152a, 152b aptes et destinées à être logées entre les parois de contact 140 et la surface d'appui 136. Dans cet exemple, on constate que l'épaisseur des ailes 152a, 152b correspond sensiblement à la distance d existant entre chacune des parois de contact 140 et la surface d'appui 136 lorsque l'embout est au repos.More specifically, the stiffening member 150 comprises a first portion 152 consisting of two thick lateral wings 152a, 152b adapted and intended to be housed between the contact walls 140 and the bearing surface 136. In this example, it can be seen that The thickness of the wings 152a, 152b corresponds substantially to the distance d existing between each of the contact walls 140 and the bearing surface 136 when the nozzle is at rest.

En tout état de cause, l'épaisseur des ailes 152a, 152b est choisie de sorte que les parois de contact 140 soient aptes à être couplées mécaniquement avec la surface d'appui 136 lorsque l'embout est au repos.In any case, the thickness of the wings 152a, 152b is chosen so that the contact walls 140 are able to be mechanically coupled with the bearing surface 136 when the nozzle is at rest.

Dans cet exemple, l'organe raidisseur 152 est engagé dans l'embout 100 par sa face avant, c'est-à-dire par la face de l'embout qui reçoit les extrémités des lattes L. In this example, the stiffening member 152 is engaged in the tip 100 by its front face, that is to say by the face of the tip which receives the ends of the slats L.

Les ailes 152a, 152b de l'organe raidisseur 150 sont portées par un corps 154 qui présente un bras de guidage 156 destiné à être introduit dans un passage 111 ménagé dans la section supérieure 112 de l'embout 110. Comme on le voit sur la figure 6 , le passage 111 s'étend selon la direction transversale, l'épaisseur, de l'embout 110. De plus, ce passage 111 est ménagé entre les deux logements de lattes 114,116. Lorsque l'organe raidisseur n'est pas utilisé, ce passage peut servir à loger une troisième latte.The wings 152a, 152b of the stiffening member 150 are carried by a body 154 which has a guide arm 156 intended to be introduced into a passage 111 formed in the upper section 112 of the nozzle 110. As can be seen in FIG. figure 6 , the passage 111 extends in the transverse direction, the thickness of the tip 110. In addition, this passage 111 is formed between the two lath slots 114,116. When the stiffening member is not used, this passage can be used to house a third lath.

Autrement dit, l'organe raidisseur 150 est introduit dans l'embout 110 selon sa direction transversale DT. Un plateau 158 disposé à l'extrémité du corps 154 permet de faciliter la manipulation de l'organe raidisseur 150. En se référant à la figure 6 , on constate que le plateau 158 permet en outre de guider le déplacement de l'organe raidisseur en prenant appui sur les lattes L. In other words, the stiffening member 150 is introduced into the nozzle 110 in its transverse direction DT. A plate 158 disposed at the end of the body 154 facilitates the manipulation of the stiffening member 150. Referring to the figure 6 , It is observed that the plate 158 also serves to guide the movement of the stiffener by resting on the slat L.

Conformément à l'invention, l'organe raidisseur présente plusieurs positions d'engagement qui permettent de régler la fermeté (ou la souplesse) du dispositif de suspension.According to the invention, the stiffening member has several engagement positions that adjust the firmness (or flexibility) of the suspension device.

Ainsi, l'organe raidisseur présente une première position d'engagement, dite position souple, dans laquelle les ailes 152a, 152b ne couplent pas les parois de contact 140 avec la surface d'appui 136. Cette première position d'engagement est visible sur la figure 7 . La première portion 152 portant les ailes 152a, 152b est située à l'extérieur du volume défini entre la surface d'appui 136 et les parois de contact 140 de sorte que le couplage n'est pas réalisé. L'organe raidisseur 150 est toutefois maintenu à l'embout 110 grâce au bras de guidage 156 qui demeure partiellement logé dans le passage 111. Thus, the stiffening member has a first engagement position, said flexible position, in which the wings 152a, 152b do not couple the contact walls 140 with the bearing surface 136. This first engagement position is visible on the figure 7 . The first portion 152 carrying the wings 152a, 152b is located outside the volume defined between the bearing surface 136 and the contact walls 140 so that the coupling is not performed. The stiffening member 150, however, is held at the end 110 by the guide arm 156 which remains partially housed in the passage 111.

L'organe raidisseur présente également une deuxième position d'engagement dans laquelle la première portion 152 couple mécaniquement les éléments de suspension avec l'organe ressort 150. Cette deuxième position est bien visible sur la figure 6 précédemment décrite.The stiffening member also has a second engagement position in which the first portion 152 mechanically couples the suspension elements with the spring member 150. This second position is clearly visible on the figure 6 previously described.

Dans cette deuxième position, la position ferme, la deuxième portion 152 est logé dans le volume défini entre la surface d'appui 136 et les parois de contact 140 de sorte que le couplage mécanique entre les éléments de suspension et l'organe ressort 130 est réalisé.In this second position, the position closes, the second portion 152 is housed in the volume defined between the bearing surface 136 and the contact walls 140 so that the mechanical coupling between the suspension elements and the spring member 130 is realized.

Pour passer de la première position d'engagement à la deuxième position d'engagement, l'utilisateur exerce simplement une poussée sur le plateau 158 dirigée vers l'embout 110. To move from the first engagement position to the second engagement position, the user simply exerts a push on the tray 158 facing the tip 110.

L'organe raidisseur 150, dans cet exemple, présente en outre une position d'engagement intermédiaire, la position mi-souple, visible sur la figure 8 . Dans cette position intermédiaire, la première portion 152 est partiellement logée dans le volume défini entre la surface d'appui 136 et les parois de contact 140, en sorte que le couplage mécanique est réalisé sur une surface plus petite que celle de la position ferme. Il en résulte donc que, dans la position mi-souple, le dispositif de suspension 110 présente une raideur inférieure à celle qu'il présente dans sa position ferme mais supérieure à celle qu'il présente dans sa position souple.The stiffening member 150, in this example, also has an intermediate engagement position, the mid-flexible position, visible on the figure 8 . In this intermediate position, the first portion 152 is partially housed in the volume defined between the bearing surface 136 and the contact walls 140, so that the mechanical coupling is performed on a smaller surface than that of the closed position. It follows therefore that, in the mid-flexible position, the suspension device 110 has a stiffness lower than that it has in its firm position but greater than that it has in its flexible position.

Pour améliorer le maintien, le bras de guidage 156 est pourvu de trois orifices 156a,156b,156c disposés les uns derrière les autres selon la direction longitudinale du bras tout en débouchant sur sa surface supérieure 156d. Ces orifices sont destinés à coopérer avec un ergot 113 ménagé dans une paroi interne du passage 111. Cet ergot 113 permet de bloquer axialement le bras 156 lorsque ledit ergot est positionné dans l'un des trois orifices 156a, 156b et 156c. To improve the maintenance, the guide arm 156 is provided with three orifices 156a, 156b, 156c disposed one behind the other in the longitudinal direction of the arm while opening on its upper surface 156d. These orifices are intended to cooperate with a lug 113 formed in an inner wall of the passage 111. This lug 113 allows axially locking the arm 156 when said lug is positioned in one of the three orifices 156a, 156b and 156c.

En se référant aux figures 6 , 7 et 8 , on comprend que l'organe raidisseur 150 est maintenu dans sa position ferme lorsque l'ergot 113 coopère avec l'orifice 156c, que l'organe raidisseur est maintenu dans sa position mi-souple lorsque l'ergot 113 coopère avec l'orifice 156b, et qu'il est maintenu dans sa position souple lorsque l'ergot 113 coopère avec l'orifice 156a. Referring to figures 6 , 7 and 8 it is understood that the stiffening member 150 is held in its closed position when the lug 113 cooperates with the orifice 156c, that the stiffening member is held in its half-flexible position when the lug 113 cooperates with the orifice 156b, and that it is held in its flexible position when the lug 113 cooperates with the orifice 156a.

A l'aide de la figure 9 à 13 , on va maintenant décrire une première variante du premier mode de réalisation.Using the figure 9 to 13 , Will now be described a first variant of the first embodiment.

Dans cette première variante, le dispositif de suspension 200 comporte un embout 210 identique à l'embout 110 précité, et un organe raidisseur 250 qui diffère de l'organe raidisseur 150 qui vient d'être décrit en ce qu'il comporte en outre une deuxième portion 260 apte à augmenter la raideur de l'organe ressort.In this first variant, the suspension device 200 comprises a tip 210 identical to the aforementioned tip 110 , and a stiffening member 250 which differs from the stiffening member 150 which has just been described in that it further comprises a second portion 260 adapted to increase the stiffness of the spring member.

Comme on le voit sur la figure 10 , cette deuxième portion 260 est disposée en dessous de la première portion. Elle présente également la forme d'un manchon qui est destiné à venir se loger à l'intérieur de la portion souple 234 tout en venant en contact avec la surface d'appui 236 et les parois intermédiaires 238. As we see on the figure 10 This second portion 260 is disposed below the first portion. It also has the shape of a sleeve which is intended to be housed inside the flexible portion 234 while coming into contact with the bearing surface 236 and the intermediate walls 238.

On constate aussi sur la figure 10 que les première et deuxième portions enserrent la surface d'appui 236 de manière à éviter que l'organe ressort ne se déforme plastiquement, grâce à quoi on s'assure que le dispositif de suspension 200 présente une raideur accrue.We also see on the figure 10 that the first and second portions enclose the bearing surface 236 so as to prevent the spring member is plastically deformed, whereby it is ensured that the suspension device 200 has increased stiffness.

L'organe raidisseur 250 présente également une première position d'engagement, dite position souple, dans laquelle la première portion 252 ne couple pas mécaniquement les éléments de suspension 226 avec l'organe ressort 230, tandis que la deuxième portion 260 n'augmente pas la raideur de l'organe ressort 230, comme cela est bien visible sur la figure 12 . Dans cette position souple, l'organe raidisseur 250 ne joue aucun rôle. Par ailleurs, l'organe raidisseur 250 est maintenu dans cette position grâce à l'ergot 213 qui coopère avec l'orifice 256a. The stiffening member 250 also has a first engagement position, called a flexible position, in which the first portion 252 does not mechanically couple the suspension members 226 with the spring member 230, while the second portion 260 does not increase. the stiffness of the member spring 230, as is clearly visible on the figure 12 . In this flexible position, the stiffening member 250 plays no role. Furthermore, the stiffening member 250 is held in this position by the pin 213 which cooperates with the orifice 256a.

L'organe raidisseur 250 présente en outre une deuxième position d'engagement, visible sur la figure 11 , dans laquelle la première portion 252 couple mécaniquement les éléments suspension 226 avec l'organe ressort 230, tandis que la deuxième portion 260 augmente la raideur de l'organe ressort. Dans cette position ferme, l'organe raidisseur 250 est maintenu grâce à l'ergot 213 qui coopère avec l'orifice 256c. The stiffening member 250 also has a second engagement position, visible on the figure 11 , in which the first portion 252 mechanically couples the suspension elements 226 with the spring member 230, while the second portion 260 increases the stiffness of the spring member. In this firm position, the stiffening member 250 is held by the pin 213 which cooperates with the orifice 256c.

Tout comme dans le dispositif de suspension 100, on prévoit également une position d'engagement intermédiaire, la position mi-souple (non représentée), dans laquelle les première et deuxième portions sont partiellement logées dans la section intermédiaire 224. Just as in the suspension device 100, there is also provided an intermediate engagement position, the mid-flexible position (not shown), in which the first and second portions are partially housed in the intermediate section 224.

Comme le montre la figure 13 , on peut également prévoir que la deuxième portion 260' présente une épaisseur sensiblement égale à la moitié de l'épaisseur de la première portion 252, en sorte que dans la position intermédiaire, la troisième position d'engagement, la première portion 250 couple mécaniquement les éléments de suspension 226 avec l'organe ressort, tandis que la deuxième portion 260 n'augmente pas la raideur de l'organe ressort 230. As shown in Figure 13 , It is also possible that the second portion 260 'has a thickness substantially equal to half the thickness of the first portion 252, so that in the intermediate position, the third position of engagement, the first portion 250 mechanically couples the suspension elements 226 with the spring member, while the second portion 260 does not increase the stiffness of the spring member 230.

A l'aide des figures 14 à 17 , on va maintenant décrire une deuxième variante du premier mode de réalisation de l'invention.With the help of Figures 14 to 17 , Will now be described a second variation of the first embodiment of the invention.

Dans cette deuxième variante, le dispositif de suspension 300 comporte un embout 310 similaire à l'embout 210 décrit précédemment, ainsi qu'un organe raidisseur 350 visible sur la figure 15 . Cet organe raidisseur 350 diffère de l'organe raidisseur 150 précédemment décrit en ce qu'il est destiné à être introduit dans l'embout 300 par sa face arrière.In this second variant, the suspension device 300 comprises a tip 310 similar to the tip 210 described above, and a stiffening member 350 visible on the figure 15 . This stiffening member 350 differs from the stiffening member 150 previously described in that it is intended to be introduced into the endpiece 300 by its rear face.

De plus, cet organe raidisseur 350 peut également présenter trois positions d'engagement : souple, mi-souple et ferme. Il comporte aussi un bras de guidage 356 dont la face supérieure porte un marquage 358 associé aux positions d'engagement. Le plateau 312a de la section supérieure 312 de l'embout 300 comporte en outre une fenêtre 313 permettant la lecture du marquage. Comme on le voit également sur la figure 17 , le plateau 312a est pourvu d'une fente 315 s'étendant selon la direction transversale de l'embout, qui est destinée à recevoir un curseur 360 faisant saillie depuis la face supérieure du bras de guidage. Ce curseur 360 permet de déplacer l'organe raidisseur entre ses trois positions d'engagement.In addition, this stiffening member 350 may also have three engagement positions: flexible, semi-flexible and firm. It also comprises a guide arm 356 whose upper face carries a marking 358 associated with the engagement positions. The plateau 312a of the section upper 312 of the tip 300 further comprises a window 313 for reading the marking. As we also see on the figure 17 , the plate 312a is provided with a slot 315 extending in the transverse direction of the nozzle, which is intended to receive a slider 360 projecting from the upper face of the guide arm. This slider 360 makes it possible to move the stiffening member between its three engagement positions.

A l'aide des figures 18 à 20 , on va maintenant décrire un deuxième mode de réalisation du dispositif de suspension selon l'invention.With the help of Figures 18 to 20 , Will now be described a second embodiment of the suspension device according to the invention.

Dans ce deuxième mode de réalisation, le dispositif de suspension 400 comporte un embout 410 similaires à l'embout 10 précédemment décrit, ainsi qu'un organe raidisseur 450 bien visible sur la figure 20 . In this second embodiment, the suspension device 400 comprises a tip 410 similar to the tip 10 previously described, and a stiffening member 450 clearly visible on the figure 20 .

L'organe raidisseur 450 comporte une plate-forme 452 au dessus de laquelle s'étendent une tête 454 et un plot de maintien 456. Les extrémités latérales 452a, 452b de la partie de la plate-forme 452 portant le plot 456 sont courbées en s'étendant sous la plate-forme.The stiffening member 450 comprises a platform 452 above which a head 454 and a retaining stud 456 extend. The lateral ends 452a, 452b of the part of the platform 452 carrying the stud 456 are bent in turn. lying under the platform.

En se référant aux figures 18 et 19 , on constate que la largeur de la plate-forme correspond sensiblement à la largeur de la latte inférieure LS de sorte que la plate forme peut coulisser le long de cette latte grâce aux extrémités courbées 452a et 452b qui bordent la latte inférieure LS. Referring to Figures 18 and 19 It is found that the width of the platform corresponds substantially to the width of the bottom lath LS so that the platform can slide along this lath through the bent ends 452a and 452b bordering the lower slat LS.

Le curseur 456 facilite la préhension et le déplacement de l'organe raidisseur 450. The slider 456 facilitates the gripping and the displacement of the stiffening member 450.

Selon l'invention, lorsque l'organe raidisseur 450 est logé dans l'embout, la plate-forme prend donc appui sur la latte inférieure LS tandis que la tête 454 vient se positionner immédiatement en dessous des parois de liaison 432. According to the invention, when the stiffening member 450 is housed in the mouthpiece, the platform thus bears on the lower batten LS while the head 454 is positioned immediately below the connecting walls 432.

Il s'ensuit que la raideur de l'organe ressort 430 augmente dans la mesure où le déplacement des parois de liaison 432 est bloqué par la tête 454. It follows that the stiffness of the spring member 430 increases to the extent that the displacement of the connecting walls 432 is blocked by the head 454.

Par ailleurs, l'organe raidisseur 450 présente également une première position d'engagement, position souple, dans laquelle l'organe raidisseur 450 est maintenu à l'embout 400 alors que la tête n'est pas logée dans l'organe ressort 430 en dessous des parois de liaison. Il présente également une deuxième position d'engagement, la position ferme, visible sur la figure 19 , dans laquelle la tête 454 est entièrement logée dans l'organe ressort 430. Il présente enfin une troisième position d'engagement, position mi-souple, dans laquelle la tête est partiellement logée dans l'organe ressort 430. Moreover, the stiffening member 450 also has a first position of engagement, flexible position, in which the stiffening member 450 is held at the end 400 while the head is not housed in the spring member 430 in below the connecting walls. It also presents a second commitment position, the firm position, visible on the figure 19 , in which the head 454 is entirely housed in the spring member 430. It finally has a third position engagement, mid-flexible position, wherein the head is partially housed in the spring member 430.

De préférence, les bords de la plate-forme sont munis de trois paires d'encoches 458 qui coopèrent avec des ergots disposés de part et d'autre des parois de liaison 432 de manière à verrouiller l'organe ressort 450 dans l'une de ses trois positions d'engagement.Preferably, the edges of the platform are provided with three pairs of notches 458 which cooperate with lugs arranged on either side of the connecting walls 432 so as to lock the spring member 450 in one of his three commitment positions.

Claims (20)

Dispositif de suspension (100, 200, 300, 400) de lattes de sommier comprenant un embout (10, 110, 210, 310, 410) qui présente une section supérieure (12, 112, 212, 312, 412) qui comporte au moins un logement (14, 16) pour accueillir l'extrémité d'une latte (L), une section inférieure (18) munie de moyens d'ancrage (20) dudit embout sur le sommier, et une section intermédiaire (24) comportant des éléments de suspension (26, 126, 226, 336) reliant la section inférieure à la section supérieure, ledit dispositif étant caractérisé en ce que la section intermédiaire comporte en outre un organe ressort (30, 130, 230, 330, 430), ayant une surface d'appui (36, 136, 236, 336, 436), distinct des éléments de suspension, cet organe ressort étant uniquement relié à l'une ou l'autre des sections supérieure et inférieure, et en ce que les éléments de suspension comprennent au moins une paroi de contact (40, 140) distante de l'organe ressort, cette paroi de contact étant apte à être mécaniquement couplée avec la surface d'appui de l'organe ressort lorsque une pression est appliquée sur l'embout.Suspension device (100, 200, 300, 400) of bed base slats comprising a nozzle (10, 110, 210, 310, 410) which has an upper section (12, 112, 212, 312, 412) which comprises at least a housing (14, 16) for receiving the end of a batten (L), a lower section (18) provided with anchoring means (20) for said end-piece on the bed base, and an intermediate section (24) comprising suspension members (26, 126, 226, 336) connecting the lower section to the upper section, said device being characterized in that the intermediate section further comprises a spring member (30, 130, 230, 330, 430) having a bearing surface (36, 136, 236, 336, 436), separate from the suspension elements, this spring member being connected only to one or the other of the upper and lower sections, and in that the elements of suspension comprise at least one contact wall (40, 140) remote from the spring member, this contact wall being suitable be mechanically coupled with the bearing surface of the spring member when a pressure is applied to the tip. Dispositif de suspension selon la revendication 1, dans lequel les éléments de suspension sont constitués de deux parois arquées (28) s'étendant entre la section inférieure et la section supérieure, chacune des paroi arquées présentant une extrémité (28") reliée à celle des sections inférieure et supérieure qui n'est pas reliée à l'organe ressort, et en ce que la paroi de contact (40) s'étend depuis ladite extrémité vers la surface d'appui de l'organe ressort.Suspension device according to claim 1, wherein the suspension elements consist of two arcuate walls (28) extending between the lower section and the upper section, each of the arcuate walls having an end (28 ") connected to that of the upper and lower sections which is not connected to the spring member, and in that the contact wall (40) extends from said end to the bearing surface of the spring member. Dispositif de suspension selon la revendication 1 ou 2, dans lequel la paroi de contact (40) est sensiblement parallèle à la surface d'appui de l'organe ressort.Suspension device according to claim 1 or 2, wherein the contact wall (40) is substantially parallel to the bearing surface of the spring member. Dispositif de suspension selon l'une quelconque des revendications 1 à 3, dans lequel l'organe ressort (30, 130, 230, 330, 430) comprend une portion (34, 134) ayant la forme générale d'un manchon s'étendant selon l'épaisseur de l'embout, ladite portion étant reliée à l'une ou l'autre des sections inférieure et supérieure par des parois de liaison (32, 432).Suspension device according to any of claims 1 to 3, wherein the spring member (30, 130, 230, 330, 430) comprises a portion (34, 134) having the general shape of a sleeve extending according to the thickness of the mouthpiece, said portion being connected to one or the other of the lower and upper sections by connecting walls (32, 432). Dispositif de suspension selon la revendication 4, dans lequel la surface d'appui (36, 136) est constituée par une zone de la portion souple ayant la forme générale d'un manchon qui est disposée en regard de celle des sections inférieure et supérieure qui n'est pas reliée à l'organe ressort.Suspension device according to claim 4, wherein the bearing surface (36, 136) is constituted by a zone of the flexible portion having the general shape of a sleeve which is arranged opposite that of the lower and upper sections which is not connected to the spring member. Dispositif de suspension selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'embout (10, 110, 210, 310, 410) est symétrique par rapport à un plan orthogonal aux sections inférieure et supérieure, et parallèle à une direction (D) d'accueil de la latte dans le logement.Suspension device according to any one of claims 1 to 5, characterized in that the tip (10, 110, 210, 310, 410) is symmetrical with respect to a plane orthogonal to the lower and upper sections, and parallel to a direction (D) home latte in the housing. Dispositif de suspension selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il comporte en outre un organe raidisseur (150, 250, 350, 450) amovible destiné à être logé dans la section intermédiaire afin d'augmenter la raideur de l'embout.Suspension device according to any one of claims 1 to 6, characterized in that it further comprises a removable stiffening member (150, 250, 350, 450) intended to be housed in the intermediate section in order to increase the stiffness of the mouthpiece. Dispositif de suspension selon la revendication 7, dans lequel l'organe raidisseur comprend une première portion (152, 252) apte à être logée entre ladite au moins une paroi de contact et la surface d'appui de l'organe ressort de manière à coupler mécaniquement les éléments de suspension avec l'organe ressort.Suspension device according to claim 7, wherein the stiffening member comprises a first portion (152, 252) adapted to be housed between said at least one contact wall and the bearing surface of the spring member so as to couple mechanically the suspension elements with the spring member. Dispositif de suspension selon la revendication 7 ou 8, dans lequel l'organe raidisseur présente une première position d'engagement dans laquelle la première portion (152, 252) ne couple pas mécaniquement les éléments de suspension avec l'organe ressort et une deuxième position d'engagement dans laquelle la première portion (152, 252) couple mécaniquement les éléments de suspension avec l'organe ressort.Suspension device according to claim 7 or 8, wherein the stiffening member has a first engagement position in which the first portion (152, 252) does not mechanically couple the suspension members with the spring member and a second position in which the first portion (152, 252) mechanically couples the suspension members with the spring member. Dispositif de suspension selon la revendication 8, dans lequel l'organe raidisseur comprend en outre une deuxième portion (260) apte à augmenter la raideur de l'organe ressort.Suspension device according to claim 8, wherein the stiffening member further comprises a second portion (260) adapted to increase the stiffness of the spring member. Dispositif de suspension selon les revendications 4 et 10, dans lequel la deuxième portion (260) est destinée à venir se loger à l'intérieur de la portion souple (234) ayant la forme générale d'un manchon de manière à augmenter la raideur de l'organe ressort (230).Suspension device according to claims 4 and 10, wherein the second portion (260) is intended to be housed inside the flexible portion (234) having the general shape of a sleeve so as to increase the stiffness of the spring member (230). Dispositif de suspension selon la revendication 10 ou 11, dans lequel l'organe raidisseur présente une première position d'engagement dans laquelle la première portion (252) ne couple pas mécaniquement les éléments de suspension avec l'organe ressort (230) tandis que la deuxième portion (260) n'augmente pas la raideur de l'organe ressort, une deuxième position d'engagement dans laquelle la première portion (252) couple mécaniquement les éléments de suspension avec l'organe ressort tandis que la deuxième portion (260) augmente la raideur de l'organe ressort, et une troisième position d'engagement dans laquelle la première portion (252) couple mécaniquement les éléments de suspension avec l'organe ressort tandis que la deuxième portion (260) n'augmente pas la raideur de l'organe ressort.Suspension device according to claim 10 or 11, wherein the stiffening member has a first engagement position in which the first portion (252) does not mechanically couple the suspension members with the spring member (230) while the second portion (260) does not increase the stiffness of the spring member, a second engagement position in which the first portion (252) mechanically couples the suspension members with the spring member while the second portion (260) increases the stiffness of the spring member, and a third engagement position in which the first portion (252) mechanically couples the suspension members with the member spring while the second portion (260) does not increase the stiffness of the organ is springing. Dispositif de suspension selon l'une quelconque des revendications 7 à 12, dans lequel l'organe raidisseur (150, 250, 350) comporte en outre un bras de guidage (156, 356) destiné à être introduit dans un passage ménagé dans la section supérieure, ledit passage (111, 211, 311) s'étendant selon l'épaisseur de l'embout.Suspension device according to any one of claims 7 to 12, wherein the stiffening member (150, 250, 350) further comprises a guide arm (156, 356) for insertion into a passage in the section upper, said passage (111, 211, 311) extending according to the thickness of the tip. Dispositif de suspension selon la revendication 13 et la revendication 9 ou 12, dans lequel le bras de guidage (356) présente un marquage associé aux positions d'engagement, la section supérieure présentant en outre une fenêtre (313) rendant visible le marquage afin d'en permettre la lecture.Suspension device according to claim 13 and claim 9 or 12, wherein the guide arm (356) has a marking associated with the engagement positions, the upper section further having a window (313) making the marking visible in order to 'to allow reading. Dispositif de suspension selon l'une quelconque des revendications 7 à 14, dans lequel l'organe raidisseur comprend en outre un plateau (158) destiné à venir en appui sur la latte (L).Suspension device according to any one of claims 7 to 14, wherein the stiffening member further comprises a plate (158) intended to bear on the batten (L). Dispositif de suspension selon la revendication 7, dans lequel la section inférieure comporte en outre un logement additionnel (22) pour une latte inférieure (L5) et dans lequel l'organe raidisseur (450) est destiné à être logé à l'intérieur de l'organe ressort (430) tout en prenant appui sur la latte inférieure (L5).Suspension device according to claim 7, wherein the lower section further comprises an additional housing (22) for a lower batten (L5) and wherein the stiffening member (450) is intended to be housed inside the casing. spring member (430) while bearing on the lower batten (L5). Dispositif de suspension selon les revendications 4 et 16, dans lequel l'organe raidisseur comporte une tête (454) contre laquelle les parois de liaison (432) sont destinées à venir en appui.Suspension device according to claims 4 and 16, wherein the stiffening member comprises a head (454) against which the connecting walls (432) are intended to bear. Dispositif de suspension selon les revendications 16 ou 17, dans lequel l'organe raidisseur présente une plate-forme (452) destinée à venir en appui contre la latte inférieure, cette plate-forme présentant des extrémités latérales (452a, 452b) courbées permettant de guider en translation l'organe raidisseur (450) le long de la latte inférieure (L5) lors de l'engagement de l'organe raidisseur dans l'organe ressort.Suspension device according to claims 16 or 17, wherein the stiffening member has a platform (452) intended to abut against the lower batten, this platform having curved lateral ends (452a, 452b) making it possible to guide in translation the stiffening member (450) along the lower batten (L5) during the engagement of the stiffening member in the spring member. Dispositif de suspension selon l'une quelconque des revendications 7 à 18, dans lequel l'embout (110, 210, 310, 410) comporte en outre des moyens (113, 213) pour verrouiller l'organe raidisseur à l'embout.Suspension device according to any one of claims 7 to 18, wherein the tip (110, 210, 310, 410) further comprises means (113, 213) for locking the stiffening member to the tip. Dispositif de suspension selon l'une quelconque des revendications 7 à 19, dans lequel l'organe raidisseur (350) est engagé dans l'embout selon un sens opposé au sens d'insertion de la latte dans son logement.Suspension device according to any one of claims 7 to 19, wherein the stiffening member (350) is engaged in the nozzle in a direction opposite to the insertion direction of the batten in its housing.
EP10162421A 2009-05-11 2010-05-10 Supporting device for slats comprising an end piece and stiffening means Active EP2253248B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0953092A FR2945195B1 (en) 2009-05-11 2009-05-11 LATTE SUSPENSION DEVICE COMPRISING A TIP AND A STIFFENER.

Publications (2)

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EP2253248A1 true EP2253248A1 (en) 2010-11-24
EP2253248B1 EP2253248B1 (en) 2013-03-27

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EP10162421A Active EP2253248B1 (en) 2009-05-11 2010-05-10 Supporting device for slats comprising an end piece and stiffening means

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EP (1) EP2253248B1 (en)
FR (1) FR2945195B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2862481A1 (en) 2013-10-21 2015-04-22 Delahousse Et Fils Improvements to devices for sitting or lying
EP2893848A1 (en) * 2014-01-10 2015-07-15 Froli Kunststoffwerk Heinrich Fromme, Inh. Margret Fromme-Ruthmann e. Kfr. Bearing device for a spring contact with sprung lowering to a bed frame
EP3087873B1 (en) * 2015-04-29 2021-09-01 Bekina NV Adjustable slat suspension device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2990833B1 (en) 2012-05-23 2017-01-06 Tournadre Sa Standard Gum SUSPENSION DEVICE FOR SOMMIER WITH ADJUSTABLE STIFFNESS
FR2975574B1 (en) 2011-05-23 2014-06-13 Tournadre Sa Standard Gum SUSPENSION DEVICE FOR SOMMIER WITH ADJUSTABLE STIFFNESS
FR2988985B1 (en) 2012-04-06 2014-05-16 Delahousse Et Fils Sa SUSPENSION DEVICE FOR LATTE TYPE SUPPORT ELEMENT OR SOMMIER OR SEAT PLATE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29611876U1 (en) * 1996-07-09 1997-08-07 Froli Kunststoffe Heinrich Fro End spring for spring-loaded storage of slats on a slatted frame
EP1222883A1 (en) * 2001-01-11 2002-07-17 Tournadre SA Standard Gum Supporting device for the slats of a bed base
EP1647214A1 (en) * 2004-10-14 2006-04-19 Siegbert Hartmann Support for slats of slatted bed base

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29611876U1 (en) * 1996-07-09 1997-08-07 Froli Kunststoffe Heinrich Fro End spring for spring-loaded storage of slats on a slatted frame
EP1222883A1 (en) * 2001-01-11 2002-07-17 Tournadre SA Standard Gum Supporting device for the slats of a bed base
EP1647214A1 (en) * 2004-10-14 2006-04-19 Siegbert Hartmann Support for slats of slatted bed base

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2862481A1 (en) 2013-10-21 2015-04-22 Delahousse Et Fils Improvements to devices for sitting or lying
EP2893848A1 (en) * 2014-01-10 2015-07-15 Froli Kunststoffwerk Heinrich Fromme, Inh. Margret Fromme-Ruthmann e. Kfr. Bearing device for a spring contact with sprung lowering to a bed frame
EP3087873B1 (en) * 2015-04-29 2021-09-01 Bekina NV Adjustable slat suspension device

Also Published As

Publication number Publication date
FR2945195A1 (en) 2010-11-12
FR2945195B1 (en) 2015-08-21
EP2253248B1 (en) 2013-03-27

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