EP1234532A1 - Suspension device for bedding - Google Patents

Suspension device for bedding Download PDF

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Publication number
EP1234532A1
EP1234532A1 EP02356036A EP02356036A EP1234532A1 EP 1234532 A1 EP1234532 A1 EP 1234532A1 EP 02356036 A EP02356036 A EP 02356036A EP 02356036 A EP02356036 A EP 02356036A EP 1234532 A1 EP1234532 A1 EP 1234532A1
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EP
European Patent Office
Prior art keywords
suspension device
arms
support element
support
arm
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.)
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EP02356036A
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German (de)
French (fr)
Inventor
Bernard Mathy
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PRM
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PRM
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Publication date
Priority claimed from FR0102418A external-priority patent/FR2820960B1/en
Application filed by PRM filed Critical PRM
Publication of EP1234532A1 publication Critical patent/EP1234532A1/en
Withdrawn legal-status Critical Current

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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
    • A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern

Definitions

  • the present invention relates to a suspension device for bedding or for seat.
  • a known system consists in placing a wooden panel at inside a bed frame on which a mattress is placed.
  • a mattress cannot in itself ensure the elasticity of a sleeping.
  • the plane contact between the mattress and the panel support prevents ventilation of the face of the mattress opposite the panel. This is therefore conducive to mold development and proliferation mites.
  • An object of the invention is to provide a suspension device bedding that is simple and inexpensive to industrialize, manufacture and carry.
  • the suspension device therefore comprises two elements which are simple to make.
  • the elasticity of the device is conferred by the stressing of the spring element, the arms of which are curved to be secured to the support element.
  • the elasticity being achieved by the stressing of arm, the spring element can be made of a material such as a resin acetal. It is a material that is less expensive than elastomers usually used for these devices.
  • At least one of the arms has a plurality of parallel transverse undulations the to each other.
  • This characteristic gives the device excellent resistance to tired. Indeed, the stresses to which the device is subjected are absorbed by each of the corrugations, so that they are distributed between undulations and not concentrated in a single area of the arm.
  • the face support element has at least two brackets in each which clicks into place the end of an arm.
  • the snap-in of the spring element on the support element allows to easily assemble the device.
  • each stirrup come from molding with the element, includes two uprights connected by a bar and by a plate oriented at an acute angle to the surface bottom of the support member and the end of each arm includes a plate in which a flexible tongue is provided projecting from the arm surface, the pad being capable of being snapped into the caliper by bending the tongue.
  • At least one rib is arranged in look of each stirrup in order to immobilize the end of each arm in stirrup.
  • two parallel ribs from molding are arranged next to each stirrup.
  • the support element comprises four stirrups arranged at 90 ° to each other with respect to the center thereof, in which snap into place the ends of four arms belonging to the element comes out.
  • the base has on one of its faces four orthogonal ribs likely to be housed in indentations complementary formed in the bearing surface.
  • the orthogonal ribs are located on the face of the base facing the support element and are likely to cooperate with four orthogonal footprints made in a tube.
  • At least one of the arms has a plurality of parallel transverse undulations the to each other.
  • This characteristic gives the device excellent resistance to tired. Indeed, the stresses to which the device is subjected are absorbed by each of the corrugations, so that they are distributed between undulations and not concentrated in a single area of the arm.
  • the cross section of the arm has a constant thickness.
  • the section transverse arm has a variable thickness, a central part having a thickness greater than that of the lateral parts.
  • This feature providing for thinned areas in the arms provides a device with greater flexibility.
  • the support element has a plurality regularly distributed openings.
  • the suspension device can thus be easily fixed on many supports such as a wooden panel or slats of a pre-existing bed base.
  • a set of bedding comprising a platform defining a bearing surface and padding element such as a mattress, comprises a plurality of suspension elements according to the invention distributed on the support surface, and each locally supporting the element of padding.
  • Figure 1 is a sectional view of a suspension device according to the invention.
  • Figure 2 is a perspective view of the suspension device.
  • Figures 3 and 4 show a front view of the two elements constituting the suspension device.
  • FIG. 5 is a side view of an embodiment of the suspension device.
  • Figure 6 is a side view of another embodiment of the device.
  • FIG. 7 is a sectional view of this embodiment
  • FIG. 8 represents an alternative embodiment of a base of the device
  • Figure 9 shows in section a device placed on a support support.
  • the device suspension includes a support element 2 and a spring element 3.
  • Support element 2 is in the form of an element molded plastic top.
  • the support element 2 has a hexagonal outline.
  • the support element 2 On one of its faces, the support element 2 is provided with four stirrups 5 molded therewith.
  • the four stirrups 5 are each located at the same distance from the center of support element 2 and are arranged at 90 ° to each other by compared to the center of it.
  • Each of the stirrups 5 comprises two uprights 6a, 6b, parallel having a substantially triangular profile, the height of which decreases in direction of the center of the support element 2.
  • a transverse bar 7 connects the two uprights 6a, 6b, to the level of their vertices furthest from the center of support element 2.
  • a plate 8 extends between the uprights 6a, 6b, at an angle about 30 ° with the support element 2.
  • a stop 9 connects the uprights 6a, 6b, at their top the closer to the center of support element 2.
  • two parallel ribs 10 are arranged opposite each of the calipers 5.
  • the support element 2 is pierced with several openings 12 regularly distributed over its entire surface, and an opening 13 is practiced at its center.
  • the spring element 3 comprises a circular base 15 from which extend four arms 16 identical and perpendicular two by two.
  • the spring element 3 is made of an acetal resin molded by injection.
  • each of the arms 16 has a plate 18 coming from the molding with the arm.
  • the plate 18 is of a width equal to the width of the stirrup 5 between its amounts 6a and 6b.
  • a notch 19 in the shape of a U cuts the plate 18 and defines the contours of a tongue 20.
  • the tongue 20 is connected to the plate 18 by its side located at near the read end of the arm, its side located on the side of the base 15 protruding from the surface of the arm 16.
  • the suspension device therefore consists of two elements separate, namely a support element 2 and a spring element 3 which are each likely to be manufactured with simple tools and in materials with common properties and therefore inexpensive.
  • the assembly of the support element 2 and the spring element 3 can be done in a simple way.
  • each of the arms 16 is curved so as to bring the plate 18 opposite the stirrup 5.
  • the plate 18 is inserted into the bracket 5. During this operation, the tongue 20 disappears against the bar 7 then resumes its projecting position at the end of the insertion operation.
  • the plate 18 is in support against the stop 9 and the plate 8 and is retained in the stirrup 5 by the tongue 20 which is in abutment against the bar 7.
  • the suspension device has excellent elasticity properties due to the stressing of the arms 16 of the element spring and can provide 50 to 70 mm of travel.
  • Figure 7 shows in section the end of the arms snapped into a support element 2 comprising the ribs 10. These ribs 10 allow the ends of the arms 16 to be immobilized in the stirrups 5 and prevent the appearance of noises due to the impact of the plates 18 against the plates 8 during stresses on the device.
  • Figure 5 shows a side view of a preferred embodiment of the device in which each of the arms 16 of the spring element has a plurality of transverse corrugations 25 parallel to each other.
  • the number of waves is equal to five.
  • each of the ripples absorbs the stress. This distribution of work, on undulations, gives the device a very good resistance to fatigue.
  • the suspension device can then be placed on a platform arranged in a bed frame at regular intervals.
  • the arms 16 have a section of constant thickness.
  • the device suspension that incorporates them therefore has a higher hardness.
  • suspension elements having a higher hardness can be placed in the locations corresponding to the sleeping areas the most requested, that is to say the zones corresponding substantially to the pelvis and abdomen of an elongated individual.
  • the least stressed areas corresponding to the legs or the head, suspension elements with greater elasticity can be placed. This greater elasticity is easily obtained by thinning the section of the arms of the spring element.
  • Figures 8 and 9 show an alternative embodiment of the device in which orthogonal ribs 26 protrude from the face of the base 15 facing the support element 2. These ribs 26 engage in imprints made in the support element.
  • this element is a tube 28 in which four cavities 29 are made by cold deformation.
  • the device is positioned on the tube 28 so that the ribs 26 engage in the cavities formed in the tube.
  • the ribs 26 carry out an indexing which makes it possible to orient the device according to two directions.
  • the invention thus provides a suspension device comprising a support element and spring element which can be produced without require expensive tools.
  • each of these two elements can be stacked and can therefore be transported without loss of space to their place assembly.
  • the spring element could have two or three arms. Through elsewhere, the ends of the arms could be fixed by screws on studs of inclined fixing from molded on the underside of the element support.
  • the support element could, moreover, receive on its face upper layer of non-slip material.

Abstract

The suspension to be interposed between a mattress and a support surface comprises a plastic support (2) having an upper surface on which the mattress rests. A plastic spring (3) comprises a base (15) from which two arms (16), able to be stressed by curving, extend. The lower surface of the support comprises connections engaging complementary connections fitting the end of each arm. The arm end forms an acute angle with the lower surface of the support.

Description

La présente invention concerne un dispositif de suspension de literie ou pour siège.The present invention relates to a suspension device for bedding or for seat.

On connaít de nombreux systèmes de literie.We know many bedding systems.

Un système connu consiste à placer un panneau de bois à l'intérieur d'un cadre de lit sur lequel un matelas est déposé.A known system consists in placing a wooden panel at inside a bed frame on which a mattress is placed.

Ce système, peu coûteux, présente de nombreux inconvénients.This inexpensive system has many drawbacks.

D'une part, il présente une élasticité médiocre.On the one hand, it has poor elasticity.

Un matelas ne peut en effet assurer à lui seul l'élasticité d'un couchage.A mattress cannot in itself ensure the elasticity of a sleeping.

D'autre part, le contact plan entre le matelas et le panneau de support empêche l'aération de la face du matelas en regard du panneau. Ceci est donc propice au développement de moisissures et à la prolifération d'acariens.On the other hand, the plane contact between the mattress and the panel support prevents ventilation of the face of the mattress opposite the panel. This is therefore conducive to mold development and proliferation mites.

Différents types de dispositifs de suspension ont été développés en vue de réaliser une pluralité d'appuis ponctuels entre une surface de support et un matelas.Different types of suspension devices have been developed in view of achieving a plurality of punctual supports between a support surface and a mattress.

Des éléments de suspensions sont notamment divulgués dans les documents WO 99/03379 et FR 2 790 929.Elements of suspensions are notably disclosed in the documents WO 99/03379 and FR 2 790 929.

Ces éléments, d'une part assurent un contact ponctuel entre la surface d'appui et le matelas, et, d'autre part, confèrent au couchage son élasticité.These elements, on the one hand ensure punctual contact between the bearing surface and the mattress, and, on the other hand, give the bed its elasticity.

Ces éléments, qui possèdent des bras d'appui sensiblement en forme de pétales donnent au couchage son élasticité par la flexion de leurs bras d'appui.These elements, which have support arms substantially in shape of petals give the bed its elasticity by bending their support arm.

Or, cette flexion est conditionnée par l'utilisation de matériaux hautement élastiques tels que des élastomères, qui sont d'un coût élevé.However, this bending is conditioned by the use of materials highly elastic such as elastomers, which are of high cost.

D'autres éléments de suspension présentent des formes complexes qui sont coûteuses à fabriquer.Other suspension elements have shapes complexes that are expensive to manufacture.

Un but de l'invention est de proposer un dispositif de suspension de literie qui soit simple et peu coûteux à industrialiser, à fabriquer et à transporter.An object of the invention is to provide a suspension device bedding that is simple and inexpensive to industrialize, manufacture and carry.

Le dispositif de suspension destiné à être interposé entre une surface d'appui et un élément de rembourrage, tel qu'un matelas, comprend selon l'invention :

  • un élément plan de soutien en matière plastique, présentant une face supérieure sur laquelle repose l'élément de rembourrage et une face inférieure opposée,
  • un élément ressort en matière plastique comprenant une embase de laquelle s'étendent au moins deux bras susceptibles d'être mis sous contrainte par recourbement, la face inférieure de l'élément de soutien comprenant des moyens de liaison coopérant avec des moyens de liaison complémentaires équipant l'extrémité de chacun des bras, l'extrémité des bras formant un angle aigu avec la face inférieure de l'élément de soutien.
The suspension device intended to be interposed between a bearing surface and a padding element, such as a mattress, comprises according to the invention:
  • a flat support element made of plastic, having an upper face on which the padding element rests and an opposite lower face,
  • a plastic spring element comprising a base from which extend at least two arms capable of being put under stress by bending, the underside of the support element comprising connecting means cooperating with complementary connecting means equipping the end of each of the arms, the end of the arms forming an acute angle with the underside of the support element.

Le dispositif de suspension comprend, donc, deux éléments séparés qui sont chacun simples à fabriquer.The suspension device therefore comprises two elements which are simple to make.

L'élasticité du dispositif est conférée par la mise sous contrainte de l'élément ressort, dont les bras sont recourbés pour être solidarisés sur l'élément de soutien. L'élasticité étant réalisée par la mise sous contrainte des bras, l'élément ressort peut être réalisé dans un matériau tel qu'une résine acétale. Il s'agit d'un matériau qui est d'un coût inférieur aux élastomères habituellement utilisés pour ces dispositifs.The elasticity of the device is conferred by the stressing of the spring element, the arms of which are curved to be secured to the support element. The elasticity being achieved by the stressing of arm, the spring element can be made of a material such as a resin acetal. It is a material that is less expensive than elastomers usually used for these devices.

En outre, grâce à la désolidarisation de la fonction soutien et de la fonction ressort, il est possible de réaliser des éléments de soutien d'aspects différents et des éléments ressort de propriétés différentes, que l'on peut combiner pour offrir des dispositifs de soutien ayant des aspects et des propriétés variés.In addition, thanks to the separation of the support function and the spring function, it is possible to produce aspect support elements different and elements come out of different properties, which we can combine to provide supports with aspects and various properties.

Selon une caractéristique particulièrement avantageuse, au moins l'un des bras présente une pluralité d'ondulations transversales parallèles les unes aux autres.According to a particularly advantageous characteristic, at least one of the arms has a plurality of parallel transverse undulations the to each other.

Cette caractéristique confère au dispositif une excellente tenue à la fatigue. En effet, les sollicitations auxquelles le dispositif est soumis sont absorbées par chacune des ondulations, si bien qu'elles sont réparties entre les ondulations et non concentrées en une zone unique du bras.This characteristic gives the device excellent resistance to tired. Indeed, the stresses to which the device is subjected are absorbed by each of the corrugations, so that they are distributed between undulations and not concentrated in a single area of the arm.

Selon une caractéristique avantageuse de l'invention, la face inférieure de l'élément de soutien présente au moins deux étriers dans chacun desquels vient s'encliqueter l'extrémité d'un bras.According to an advantageous characteristic of the invention, the face support element has at least two brackets in each which clicks into place the end of an arm.

L'encliquetage de l'élément ressort sur l'élément de soutien permet de réaliser facilement l'assemblage du dispositif.The snap-in of the spring element on the support element allows to easily assemble the device.

Dans un mode de réalisation préféré de l'invention chaque étrier venu du moulage avec l'élément, comprend deux montants reliés par une barrette et par un plateau orienté selon un angle aigu par rapport à la surface inférieure de l'élément de soutien et l'extrémité de chaque bras comprend une plaquette dans laquelle est ménagée une languette flexible dépassant de la surface du bras, la plaquette étant susceptible d'être encliquetée dans l'étrier par une flexion de la languette.In a preferred embodiment of the invention each stirrup come from molding with the element, includes two uprights connected by a bar and by a plate oriented at an acute angle to the surface bottom of the support member and the end of each arm includes a plate in which a flexible tongue is provided projecting from the arm surface, the pad being capable of being snapped into the caliper by bending the tongue.

De manière avantageuse, au moins une nervure est disposée en regard de chaque étrier en vue d'immobiliser l'extrémité de chaque bras dans l'étrier.Advantageously, at least one rib is arranged in look of each stirrup in order to immobilize the end of each arm in stirrup.

L'immobilisation de l'extrémité des bras dans les étriers permet d'éviter des bruits dus à l'impact des plaquettes dans les étriers lors de la sollicitation du dispositif.The immobilization of the ends of the arms in the stirrups allows avoid noise caused by the impact of the pads in the calipers when device solicitation.

De préférence, deux nervures parallèles issues de moulage sont disposées en regard de chaque étrier.Preferably, two parallel ribs from molding are arranged next to each stirrup.

Avantageusement, l'élément de soutien comprend quatre étriers disposés à 90° les uns des autres par rapport au centre de celui-ci, dans lesquels viennent s'encliqueter les extrémités de quatres bras appartenant à l'élément ressort.Advantageously, the support element comprises four stirrups arranged at 90 ° to each other with respect to the center thereof, in which snap into place the ends of four arms belonging to the element comes out.

Le fait de prévoir un élément ressort à quatre bras permet de réaliser un dispositif présentant de bonnes qualités d'élasticité.The fact of providing a spring element with four arms makes it possible to make a device with good elasticity qualities.

De manière avantageuse, l'embase présente sur l'une de ses faces quatre nervures orthogonales susceptibles de se loger dans des empreintes complémentaires ménagées dans la surface d'appui.Advantageously, the base has on one of its faces four orthogonal ribs likely to be housed in indentations complementary formed in the bearing surface.

Selon un mode de réalisation préféré, les nervures orthogonales sont situées sur la face de l'embase tournée vers l'élément de soutien et sont susceptibles de coopérer avec quatre empreintes orthogonales ménagées dans un tube.According to a preferred embodiment, the orthogonal ribs are located on the face of the base facing the support element and are likely to cooperate with four orthogonal footprints made in a tube.

Selon une caractéristique particulièrement avantageuse, au moins l'un des bras présente une pluralité d'ondulations transversales parallèles les unes aux autres.According to a particularly advantageous characteristic, at least one of the arms has a plurality of parallel transverse undulations the to each other.

Cette caractéristique confère au dispositif une excellente tenue à la fatigue. En effet, les sollicitations auxquelles le dispositif est soumis sont absorbées par chacune des ondulations, si bien qu'elles sont réparties entre les ondulations et non concentrées en une zone unique du bras.This characteristic gives the device excellent resistance to tired. Indeed, the stresses to which the device is subjected are absorbed by each of the corrugations, so that they are distributed between undulations and not concentrated in a single area of the arm.

Selon une caractéristique du dispositif, la section transversale des bras présente une épaisseur constante. According to a characteristic of the device, the cross section of the arm has a constant thickness.

Selon une caractéristique avantageuse du dispositif, la section transversale des bras présente une épaisseur variable, une partie centrale présentant une épaisseur supérieure à celle des parties latérales.According to an advantageous characteristic of the device, the section transverse arm has a variable thickness, a central part having a thickness greater than that of the lateral parts.

Cette caractéristique prévoyant des zones amincies dans les bras permet d'obtenir un dispositif présentant une plus grande souplesse.This feature providing for thinned areas in the arms provides a device with greater flexibility.

Avantageusement, l'élément de soutien présente une pluralité d'ouvertures régulièrement distribuées.Advantageously, the support element has a plurality regularly distributed openings.

Ces ouvertures permettent d'assurer une ventilation supplémentaire de l'élément de rembourrage. Cela est particulièrement intéressant dans le cas de couchages réalisés dans des espaces renfermés et humides tels des cabines de bateaux.These openings provide ventilation additional padding element. This is particularly interesting in the case of sleeping arrangements made in enclosed spaces and damp like boat cabins.

Selon une autre caractéristique, l'embase comporte au moins un moyen de fixation à la surface d'appui dans l'ensemble constitué par :

  • une surface inférieure plane enduite d'un adhésif protégé par un film pelable, et/ou
  • un perçage traversant l'embase de part en part et adapté au passage d'une vis de fixation, et/ou
  • la partie mâle ou femelle des moyens d'encliquetage.
According to another characteristic, the base includes at least one means of attachment to the bearing surface in the assembly consisting of:
  • a flat bottom surface coated with an adhesive protected by a peelable film, and / or
  • a hole passing right through the base and suitable for the passage of a fixing screw, and / or
  • the male or female part of the latching means.

Le dispositif de suspension peut ainsi être fixé de manière aisée sur de nombreux supports tels qu'un panneau de bois ou des lattes d'un sommier préexistant.The suspension device can thus be easily fixed on many supports such as a wooden panel or slats of a pre-existing bed base.

Avantageusement, un ensemble de literie comportant une plate-forme définissant une surface d'appui et élément de rembourrage tel qu'un matelas, comprend une pluralité d'éléments de suspension selon l'invention distribués sur la surface d'appui, et chacun supportant localement l'élément de rembourrage.Advantageously, a set of bedding comprising a platform defining a bearing surface and padding element such as a mattress, comprises a plurality of suspension elements according to the invention distributed on the support surface, and each locally supporting the element of padding.

Pour une bonne compréhension, l'invention est décrite ci-après en référence au dessin annexé représentant, à titre d'exemple, un dispositif de suspension qu'elle concerne.For a good understanding, the invention is described below in reference to the appended drawing representing, by way of example, a device for suspension it concerns.

La figure 1 est une vue en coupe d'un dispositif de suspension selon l'invention.Figure 1 is a sectional view of a suspension device according to the invention.

La figure 2 est une vue en perspective du dispositif de suspension.Figure 2 is a perspective view of the suspension device.

Les figures 3 et 4 représentent en vue de face les deux éléments constitutifs du dispositif de suspension.Figures 3 and 4 show a front view of the two elements constituting the suspension device.

La figure 5 est une vue de côté d'un mode de réalisation du dispositif de suspension. FIG. 5 is a side view of an embodiment of the suspension device.

La figure 6 est une vue de coté d'un autre mode de réalisation du dispositif,Figure 6 is a side view of another embodiment of the device,

La figure 7 est une vue de coupe de ce mode de réalisation,FIG. 7 is a sectional view of this embodiment,

La figure 8 représente une variante de réalisation d'une embase du dispositif,FIG. 8 represents an alternative embodiment of a base of the device,

La figure 9 montre en coupe un dispositif placé sur un support d'appui.Figure 9 shows in section a device placed on a support support.

Comme cela apparaít sur les figures 1 et 2, le dispositif de suspension comprend un élément de soutien 2 et un élément de ressort 3.As shown in Figures 1 and 2, the device suspension includes a support element 2 and a spring element 3.

L'élément de soutien 2 se présente sous la forme d'un élément plan en matière plastique moulée.Support element 2 is in the form of an element molded plastic top.

Dans l'exemple représenté sur le dessin, l'élément de soutien 2 présente un contour hexagonal.In the example shown in the drawing, the support element 2 has a hexagonal outline.

Sur l'une de ses faces, l'élément de soutien 2 est muni de quatre étriers 5 venus de moulage avec celle-ci.On one of its faces, the support element 2 is provided with four stirrups 5 molded therewith.

Les quatre étriers 5 sont chacun situés à une même distance du centre de l'élément de soutien 2 et sont disposés à 90° les uns des autres par rapport au centre de celle-ci.The four stirrups 5 are each located at the same distance from the center of support element 2 and are arranged at 90 ° to each other by compared to the center of it.

Chacun des étriers 5 comprend deux montants 6a, 6b, parallèles présentant un profil sensiblement triangulaire, dont la hauteur décroít en direction du centre de l'élément de soutien 2.Each of the stirrups 5 comprises two uprights 6a, 6b, parallel having a substantially triangular profile, the height of which decreases in direction of the center of the support element 2.

Une barrette 7 transversale relie les deux montants 6a, 6b, au niveau de leurs sommets les plus éloignés du centre de l'élément de soutien 2.A transverse bar 7 connects the two uprights 6a, 6b, to the level of their vertices furthest from the center of support element 2.

Un plateau 8 s'étend entre les montants 6a, 6b, selon un angle d'environ 30° avec l'élément de soutien 2.A plate 8 extends between the uprights 6a, 6b, at an angle about 30 ° with the support element 2.

Une butée 9 relie les montants 6a, 6b, au niveau de leur sommet le plus proche du centre de l'élément de soutien 2.A stop 9 connects the uprights 6a, 6b, at their top the closer to the center of support element 2.

Selon la variante de réalisation de réalisation représentée sur la figure 6, deux nervures 10 parallèles sont disposées en regard de chacun des étriers 5.According to the variant embodiment shown on the Figure 6, two parallel ribs 10 are arranged opposite each of the calipers 5.

L'élément de soutien 2 est percé de plusieurs ouvertures 12 régulièrement distribuées sur toute sa surface, et une ouverture 13 est pratiquée en son centre.The support element 2 is pierced with several openings 12 regularly distributed over its entire surface, and an opening 13 is practiced at its center.

L'élément ressort 3 comprend une embase circulaire 15 de laquelle s'étendent quatre bras 16 identiques et perpendiculaires deux à deux. The spring element 3 comprises a circular base 15 from which extend four arms 16 identical and perpendicular two by two.

L'élément ressort 3 est réalisé dans une résine acétale moulée par injection.The spring element 3 is made of an acetal resin molded by injection.

L'extrémité libre de chacun des bras 16 présente une plaquette 18 venue du moulage avec le bras.The free end of each of the arms 16 has a plate 18 coming from the molding with the arm.

La plaquette 18 est d'une largeur égale à la largeur de l'étrier 5 entre ses montants 6a et 6b.The plate 18 is of a width equal to the width of the stirrup 5 between its amounts 6a and 6b.

Une entaille 19 en forme de U découpe la plaquette 18 et délimite les contours d'une languette 20.A notch 19 in the shape of a U cuts the plate 18 and defines the contours of a tongue 20.

La languette 20 est reliée à la plaquette 18 par son côté situé à proximité de l'extrémité lire du bras, son côté situé du côté de l'embase 15 dépassant de la surface du bras 16.The tongue 20 is connected to the plate 18 by its side located at near the read end of the arm, its side located on the side of the base 15 protruding from the surface of the arm 16.

Chacun des bras 16 présente une portion centrale 22 encadrée de deux parties latérales 23 symétriques par rapport à l'axe longitudinal du bras d'épaisseur inférieure à celle de la portion centrale 22.Each of the arms 16 has a central portion 22 framed by two lateral parts 23 symmetrical with respect to the longitudinal axis of the arm of thickness less than that of the central portion 22.

Le dispositif de suspension est donc constitué de deux éléments distincts, à savoir un élément de soutien 2 et un élément ressort 3 qui sont chacun susceptibles d'être fabriqués avec un outillage simple et dans des matériaux présentant des propriétés courantes et donc peu coûteux.The suspension device therefore consists of two elements separate, namely a support element 2 and a spring element 3 which are each likely to be manufactured with simple tools and in materials with common properties and therefore inexpensive.

L'assemblage de l'élément de soutien 2 et de l'élément ressort 3 peut être réalisé de manière simple.The assembly of the support element 2 and the spring element 3 can be done in a simple way.

A cet effet, chacun des bras 16 est recourbé de façon à amener la plaquette 18 en regard de l'étrier 5.To this end, each of the arms 16 is curved so as to bring the plate 18 opposite the stirrup 5.

La plaquette 18 est insérée dans l'étrier 5. Durant cette opération, la languette 20 s'efface contre la barrette 7 puis reprend sa position en saillie en fin d'opération d'insertion.The plate 18 is inserted into the bracket 5. During this operation, the tongue 20 disappears against the bar 7 then resumes its projecting position at the end of the insertion operation.

Comme on le voit sur les figures 1 et 2, la plaquette 18 est en appui contre la butée 9 et le plateau 8 et est retenue dans l'étrier 5 par la languette 20 qui se trouve en butée contre la barette 7.As seen in Figures 1 and 2, the plate 18 is in support against the stop 9 and the plate 8 and is retained in the stirrup 5 by the tongue 20 which is in abutment against the bar 7.

Ainsi assemblé, le dispositif de suspension présente d'excellentes propriétés d'élasticité grâce à la mise sous contrainte des bras 16 de l'élément ressort et peut procurer un débattement de 50 à 70 mm.Thus assembled, the suspension device has excellent elasticity properties due to the stressing of the arms 16 of the element spring and can provide 50 to 70 mm of travel.

La figure 7 montre en coupe l'extrémité des bras encliquetée dans un élément de soutien 2 comprenant les nervures 10. Ces nervures 10 permettent d'immobiliser les extrémités des bras 16 dans les étriers 5 et préviennent l'apparition de bruits dus à l'impact des plaquettes 18 contre les plateaux 8 lors de sollicitations du dispositif. Figure 7 shows in section the end of the arms snapped into a support element 2 comprising the ribs 10. These ribs 10 allow the ends of the arms 16 to be immobilized in the stirrups 5 and prevent the appearance of noises due to the impact of the plates 18 against the plates 8 during stresses on the device.

La figure 5 montre en vue de côté un mode de réalisation préféré du dispositif dans lequel chacun des bras 16 de l'élément ressort présente une pluralité d'ondulation transversale 25 parallèles les unes aux autres. Dans le dispositif représenté sur le dessin, le nombre d'ondulations est égal à cinq.Figure 5 shows a side view of a preferred embodiment of the device in which each of the arms 16 of the spring element has a plurality of transverse corrugations 25 parallel to each other. In the device shown in the drawing, the number of waves is equal to five.

Lorsque le dispositif de suspension est sollicité, chacune des ondulations absorbe la sollicitation. Cette répartition du travail, sur les ondulations, confère au dispositif une très bonne tenue en fatigue.When the suspension device is used, each of the ripples absorbs the stress. This distribution of work, on undulations, gives the device a very good resistance to fatigue.

Le dispositif de suspension peut alors être placé sur une plate-forme disposée dans un cadre de lit à intervalles réguliers.The suspension device can then be placed on a platform arranged in a bed frame at regular intervals.

Selon une forme de réalisation non représentée sur le dessin, les bras 16 présentent une section d'épaisseur constante. Le dispositif de suspension qui les intègre présente donc une dureté supérieure.According to an embodiment not shown in the drawing, the arms 16 have a section of constant thickness. The device suspension that incorporates them therefore has a higher hardness.

Ces éléments de suspension présentant une dureté supérieure peuvent être placés aux emplacements correspondant aux zones de couchage les plus sollicitées, c'est-à-dire les zones corrrespondant sensiblement au bassin et à l'abdomen d'un individu allongé.These suspension elements having a higher hardness can be placed in the locations corresponding to the sleeping areas the most requested, that is to say the zones corresponding substantially to the pelvis and abdomen of an elongated individual.

Aux zones les moins sollicitées correspondant aux jambes ou à la tête, des éléments de suspension présentant une plus grande élasticité peuvent être placés. Cette plus grande élasticité est obtenue aisément en amincissant la section des bras de l'élément ressort.The least stressed areas corresponding to the legs or the head, suspension elements with greater elasticity can be placed. This greater elasticity is easily obtained by thinning the section of the arms of the spring element.

Les figures 8 et 9 montrent une variante de réalisation du dispositif dans laquelle des nervures orthogonales 26 dépassent de la face de l'embase 15 tournée vers l'élément de soutien 2. Ces nervures 26 s'engagent dans des empreintes ménagées dans l'élément d'appui. Sur la figure 9, ce élément est un tube 28 dans lequel quatre empreintes 29 sont réalisées par déformation à froid.Figures 8 and 9 show an alternative embodiment of the device in which orthogonal ribs 26 protrude from the face of the base 15 facing the support element 2. These ribs 26 engage in imprints made in the support element. In Figure 9, this element is a tube 28 in which four cavities 29 are made by cold deformation.

Le dispositif est positionné sur le tube 28 de telle sorte que les nervures 26 s'engagent dans les empreintes ménagées dans le tube. Les nervures 26 réalisent une indexation qui permet d'orienter le dispositif selon deux directions.The device is positioned on the tube 28 so that the ribs 26 engage in the cavities formed in the tube. The ribs 26 carry out an indexing which makes it possible to orient the device according to two directions.

L'invention fournit ainsi un dispositif de suspension comprenant un élément de soutien et un élément ressort qui peuvent être fabriqués sans nécessiter d'outillage coûteux. De plus, chacun de ces deux éléments peut être empilé et peut donc être transporté sans perte d'espace jusqu'à leur lieu d'assemblage. The invention thus provides a suspension device comprising a support element and spring element which can be produced without require expensive tools. In addition, each of these two elements can be stacked and can therefore be transported without loss of space to their place assembly.

II va de soi que l'invention n'est pas limitée à la forme de réalisation décrite ci-dessus mais qu'elle en embrasse au contraire toutes les variantes de réalisation.It goes without saying that the invention is not limited to the form of realization described above but that it embraces on the contrary all variant embodiments.

Ainsi, l'élément ressort pourrait présenter deux ou trois bras. Par ailleurs, les extrémités des bras pourraient être fixées par des vis sur des plots de fixation inclinés venus de moulage sur la face inférieure de l'élément de soutien. L'élément de soutien pourrait, par ailleurs, recevoir sur sa face supérieure une couche de matériau antidérapant.Thus, the spring element could have two or three arms. Through elsewhere, the ends of the arms could be fixed by screws on studs of inclined fixing from molded on the underside of the element support. The support element could, moreover, receive on its face upper layer of non-slip material.

Claims (14)

Dispositif de suspension destiné à être interposé entre une surface d'appui et un élément de rembourrage tel qu'un matelas, caractérisé en ce qu'il comprend un élément plan de soutien (2) en matière plastique, présentant une face supérieure sur laquelle repose l'élément de rembourrage et une face inférieure opposée, un élément ressort (3) en matière plastique comprenant une embase (15) de laquelle s'étendent au moins deux bras (16) susceptibles d'être mis sous contrainte par recourbement, la face inférieure de l'élément de soutien (2) comprenant des moyens de liaison coopérant avec des moyens de liaison complémentaires équipant l'extrémité de chacun des bras (16), l'extrémité des bras (16) formant un angle aigu avec la face inférieure de l'élément de soutien (2). Suspension device intended to be interposed between a bearing surface and a padding element such as a mattress, characterized in that it comprises a flat support element (2) made of plastic, having an upper face on which the cushioning element rests and an opposite lower face, a spring element (3) made of plastic comprising a base (15) from which extend at least two arms (16) capable of being stressed by bending, the underside of the support element (2) comprising connecting means cooperating with complementary connecting means equipping the end of each of the arms (16), the end of the arms (16) forming an acute angle with the underside of the support element (2). Dispositif selon la revendication 1, caractérisé en ce qu'au moins l'un des bras (16) présente une pluralité d'ondulations (25) transversales parallèles les unes des autresDevice according to claim 1, characterized in that at least one of the arms (16) has a plurality of transverse corrugations (25) parallel to each other Dispositif de suspension selon la revendication 1 ou la revendication 2, caractérisé en ce que la face inférieure de l'élément de soutien (2) comprend au moins deux étriers (5) dans chacun desquels vient s'encliqueter l'extrémité d'un bras (16).Suspension device according to claim 1 or claim 2, characterized in that the underside of the support element (2) comprises at least two stirrups (5) in each of which the end of an arm snaps (16). Dispositif de suspension selon la revendication 3, caractérisé en ce que : chaque étrier (5), venu du moulage avec l'élément (2), comprend deux montants (6a, 6b) reliés par une barrette (7) et par un plateau (8) orienté formant un angle aigu avec la surface inférieure de l'élément de soutien (2), l'extrémité de chaque bras (16) comprend une plaquette (18) dans laquelle est ménagée une languette flexible (20) dépassant de la surface du bras (16), la plaquette (18) étant susceptible d'être encliquetée dans l'étrier (5) par une flexion de la languette (20). Suspension device according to claim 3, characterized in that : each stirrup (5), coming from the molding with the element (2), comprises two uprights (6a, 6b) connected by a bar (7) and by an oriented plate (8) forming an acute angle with the lower surface of the 'support element (2), the end of each arm (16) comprises a plate (18) in which is formed a flexible tongue (20) projecting from the surface of the arm (16), the plate (18) being capable of being snapped into the bracket (5) by bending the tongue (20). Dispositif de suspension selon l'une des revendications 3 ou 4, caractérisé en ce qu'au moins une nervure (10) est disposée en regard de chaque étrier (5) en vue d'immobiliser l'extrémité de chaque bras dans l'étrier (5).Suspension device according to one of claims 3 or 4, characterized in that at least one rib (10) is arranged opposite each stirrup (5) in order to immobilize the end of each arm in the stirrup (5). Dispositif de suspension selon la revendication 5, caractérisé en ce que deux nervures parallèles (10) issues de moulage sont disposées en regard de chaque étrier (5).Suspension device according to claim 5, characterized in that two parallel ribs (10) from molding are arranged opposite each bracket (5). Dispositif de suspension selon l'une des revendications 3 à 6, caractérisé en ce que l'élément de soutien (2) comprend quatre étriers (5) disposés à 90° les uns des autres par rapport au centre de celui-ci, dans lesquels viennent s'encliqueter les extrémités de quatres bras (16) appartenant à l'élément ressort (3).Suspension device according to one of claims 3 to 6, characterized in that the support element (2) comprises four stirrups (5) arranged at 90 ° from each other relative to the center thereof, in which snap the ends of four arms (16) belonging to the spring element (3). Dispositif de suspension selon l'une des revendications 1 à 6, caractérisé en ce que l'embase (15) présente sur l'une de ses faces quatre nervures (26) orthogonales susceptibles de se loger dans quatre empreintes complémentaires ménagées dans la surface d'appui.Suspension device according to one of claims 1 to 6, characterized in that the base (15) has on one of its faces four orthogonal ribs (26) capable of being housed in four complementary imprints formed in the surface d 'support. Dispositif de suspension selon la revendication 8, caractérisé en ce que les nervures (26) orthogonales sont situées sur la face de l'embase tournée vers l'élément de soutien et sont susceptibles de coopérer avec quatre empreintes orthogonales ménagées dans un tube (28).Suspension device according to claim 8, characterized in that the orthogonal ribs (26) are located on the face of the base facing the support element and are capable of cooperating with four orthogonal impressions formed in a tube (28) . Dispositif de suspension selon l'une des revendications 1 à 9, caractérisé en ce que la section transversale des bras (16) présente une épaisseur constante.Suspension device according to one of claims 1 to 9, characterized in that the cross section of the arms (16) has a constant thickness. Dispositif de suspension selon l'une des revendications 1 à 10, caractérisé en ce que la section transversale des bras (16) présente une épaisseur variable, une partie centrale (22) présentant une épaisseur supérieure à des parties latérales (23).Suspension device according to one of claims 1 to 10, characterized in that the cross section of the arms (16) has a variable thickness, a central part (22) having a thickness greater than lateral parts (23). Dispositif de suspension selon l'une des revendications 1 à 11, caractérisé en ce que l'élément de soutien (2) présente une pluralité d'ouvertures (12) régulièrement distribuées.Suspension device according to one of claims 1 to 11, characterized in that the support element (2) has a plurality of regularly distributed openings (12). Dispositif de suspension selon l'une des revendications 1 à 12, caractérisé en ce que l'embase (15) comporte au moins un moyen de fixation à la surface d'appui dans l'ensemble constitué par : une surface inférieure plane enduite d'un adhésif protégé par un film pelable, et/ou un perçage traversant l'embase (15) de part en part et adapté au passage d'une vis de fixation, et/ou la partie mâle ou femelle de moyens d'encliquetage. Suspension device according to one of claims 1 to 12, characterized in that the base (15) comprises at least one means of attachment to the bearing surface in the assembly consisting of: a flat bottom surface coated with an adhesive protected by a peelable film, and / or a hole passing through the base (15) right through and adapted for the passage of a fixing screw, and / or the male or female part of latching means. Ensemble de literie comportant une plate-forme définissant une surface d'appui et élément de rembourrage tel qu'un matelas, caractérisé en ce qu'une pluralité d'éléments de suspension, selon l'une des revendications 1 à 13, sont distribués sur la surface d'appui, chacun supportant localement l'élément de rembourrage.Bedding assembly comprising a platform defining a support surface and padding element such as a mattress, characterized in that a plurality of suspension elements, according to one of claims 1 to 13, are distributed on the support surface, each locally supporting the padding element.
EP02356036A 2001-02-22 2002-02-22 Suspension device for bedding Withdrawn EP1234532A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0102418 2001-02-22
FR0102418A FR2820960B1 (en) 2001-02-22 2001-02-22 SUSPENSION DEVICE FOR BEDDING
FR0109491 2001-07-16
FR0109491A FR2820961B1 (en) 2001-02-22 2001-07-16 SUSPENSION DEVICE FOR BEDDING

Publications (1)

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EP1234532A1 true EP1234532A1 (en) 2002-08-28

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EP02356036A Withdrawn EP1234532A1 (en) 2001-02-22 2002-02-22 Suspension device for bedding

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FR (1) FR2820961B1 (en)

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FR2844853A1 (en) * 2002-09-23 2004-03-26 Jean Alphonse David Multi-arm deflection spring, e.g. for bed spring or mattress, is made from twisted filaments impregnated with a thermo-setting resin
WO2005079633A1 (en) * 2004-02-17 2005-09-01 Fen Gmbh Schlafsysteme Mattress and spring bearing for use in mattresses
EP1787551A1 (en) * 2005-11-17 2007-05-23 AGRO Federkernproduktions GmbH Spring core
EP2862481A1 (en) * 2013-10-21 2015-04-22 Delahousse Et Fils Improvements to devices for sitting or lying

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US5632473A (en) * 1992-10-01 1997-05-27 Dias Magalh+E,Otl A+Ee Es Queiroz; Jo+E,Otl A+Ee O Elastic spring and spring support for mattress, chair or upholstery
DE19637933C1 (en) * 1996-09-17 1998-01-02 Ferdinand Baumjohann Frame for sitting or crouching on
WO1999003379A2 (en) 1997-07-18 1999-01-28 Froli Kunststoffwerk Heinrich Fromme Ohg Bearing element for upholstery support for a seat or bed system
DE29915339U1 (en) * 1999-09-01 2000-01-05 Hartmann Siegbert Spring body
FR2790929A1 (en) 1999-03-15 2000-09-22 Max Humbert Suspension device for beds or seats is inserted between supporting platform and upholstered unit and consists of flat base from which radiate petal-shaped supporting brackets which are hyperbolic in cross-section
DE29916753U1 (en) * 1999-09-23 2000-11-23 Froli Kunststoffwerk Fromme H Spring element for seating or lying surfaces

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US5632473A (en) * 1992-10-01 1997-05-27 Dias Magalh+E,Otl A+Ee Es Queiroz; Jo+E,Otl A+Ee O Elastic spring and spring support for mattress, chair or upholstery
DE19637933C1 (en) * 1996-09-17 1998-01-02 Ferdinand Baumjohann Frame for sitting or crouching on
WO1999003379A2 (en) 1997-07-18 1999-01-28 Froli Kunststoffwerk Heinrich Fromme Ohg Bearing element for upholstery support for a seat or bed system
FR2790929A1 (en) 1999-03-15 2000-09-22 Max Humbert Suspension device for beds or seats is inserted between supporting platform and upholstered unit and consists of flat base from which radiate petal-shaped supporting brackets which are hyperbolic in cross-section
DE29915339U1 (en) * 1999-09-01 2000-01-05 Hartmann Siegbert Spring body
DE20003576U1 (en) * 1999-09-01 2000-08-31 Hartmann Siegbert Spring body
DE29916753U1 (en) * 1999-09-23 2000-11-23 Froli Kunststoffwerk Fromme H Spring element for seating or lying surfaces

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2844853A1 (en) * 2002-09-23 2004-03-26 Jean Alphonse David Multi-arm deflection spring, e.g. for bed spring or mattress, is made from twisted filaments impregnated with a thermo-setting resin
WO2005079633A1 (en) * 2004-02-17 2005-09-01 Fen Gmbh Schlafsysteme Mattress and spring bearing for use in mattresses
EP1787551A1 (en) * 2005-11-17 2007-05-23 AGRO Federkernproduktions GmbH Spring core
EP2862481A1 (en) * 2013-10-21 2015-04-22 Delahousse Et Fils Improvements to devices for sitting or lying
FR3012025A1 (en) * 2013-10-21 2015-04-24 Delahousse Et Fils Sa IMPROVEMENT TO SEATING OR SLEEPING DEVICES

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Publication number Publication date
FR2820961A1 (en) 2002-08-23
FR2820961B1 (en) 2003-06-20

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