EP0009003A2 - Articulated frame for a bed, reclining chair or armchair - Google Patents

Articulated frame for a bed, reclining chair or armchair Download PDF

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Publication number
EP0009003A2
EP0009003A2 EP79810080A EP79810080A EP0009003A2 EP 0009003 A2 EP0009003 A2 EP 0009003A2 EP 79810080 A EP79810080 A EP 79810080A EP 79810080 A EP79810080 A EP 79810080A EP 0009003 A2 EP0009003 A2 EP 0009003A2
Authority
EP
European Patent Office
Prior art keywords
backrest
frame
seat
support
eccentric
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
EP79810080A
Other languages
German (de)
French (fr)
Other versions
EP0009003B1 (en
EP0009003A3 (en
Inventor
Maurice Bourda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cessione gefintra General Finance And Trade Establ
Original Assignee
CONCEPTEX Ets
GEFINTRA General Finance and Trade Establishment
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH914578A external-priority patent/CH623217A5/en
Application filed by CONCEPTEX Ets, GEFINTRA General Finance and Trade Establishment filed Critical CONCEPTEX Ets
Priority to AT79810080T priority Critical patent/ATE1330T1/en
Publication of EP0009003A2 publication Critical patent/EP0009003A2/en
Publication of EP0009003A3 publication Critical patent/EP0009003A3/en
Application granted granted Critical
Publication of EP0009003B1 publication Critical patent/EP0009003B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/047—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by friction locking means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously

Definitions

  • the present invention relates to an articulated frame for a bed, relaxation seat or armchair, comprising three parts mounted on a support, these parts respectively forming a backrest, a seat and a leg support.
  • the articulated beds are more particularly intended for hotel establishments, hospitals or convalescence, which are called upon to receive a large number of individuals of different sizes.
  • the comfort of a user in such a bed depends not only on the length of this bed, but also on the way it is articulated.
  • mass produced articulated beds have a standard length of 1.90 m. Longer beds, intended for tall people, are produced in small series and therefore cost significantly more.
  • the locking means generally used in articulated assemblies often include a clamping member acting on the two parts at their articulation, parallel to the axis of this articulation.
  • the clamping member is actuated by a control and blocking lever, which is ensured by the friction of the two parts against each other and which depends on the force exerted by the user.
  • An object of the present invention is to provide a frame for an articulated bed which can have several useful lengths, without any impact on the cost price.
  • Another object of the present invention is to produce an articulated frame for a relaxation bed or seat, provided with easy-to-use locking means, requiring no significant clamping force and cannot loosen untimely.
  • the articulated bed as defined above is characterized in that its frame comprises means for modifying the position of at least one of the end parts, backrest or leg support, by relative to the seat, to allow the total length of the bed to be modified, and locking means for locking the backrest in position relative to the seat.
  • the locking means comprise a strap fixed by its ends respectively to each end of the lever, at least one cam eccentric subjected to the action of a return spring tending to keep it in a position where it clamps the strap against a support plate secured to the support, and control means capable of rotating the cam eccentric against the action of the spring to release the strap.
  • the frame for an articulated bed comprises three parts, respectively a backrest 1, a seat 2 and a leg support 3. These three parts 1, 2 and 3 are mounted on a cradle 4 constituted by two sides 5 connected by bars 6 forming a spacer.
  • the backrest 1, the seat 2 and the leg support 3 are formed by two sides 7, 8 and 9 respectively connected by crosspieces 10. The latter are fixed at each of their ends in housings 11 of the sides 7, 8 and 9.
  • the backrest 1 is articulated on the cradle 4, a bore 12 of each of its sides 7 being traversed by a pivot 13 secured to each side 5 of the cradle 4.
  • the sides 8 of the seat 2 each have a slide 11 in which is engaged a bar 6.
  • an arcuate lever 15 pivoted on the side 5 of the cradle 4 connects the backrest 1 to the seat 2.
  • the one of the ends of this lever 15 pivots on the side 8 of the seat 2, while the other end of this lever 15 is guided in a slide 16 of the sides 7 of the backrest 1.
  • the sides 7 of the backrest 1 each have a second bore 17 capable of cooperating with a pivot 13 of articulation.
  • the pivots 13 are mounted in these bores 17, the useful length of the frame between the seat 2 and the backrest 1 increases by a size equal to the spacing of the two bores 12, 17, of each flank 7.
  • Horizontal beams 18 and 19 are fixed to the cradle 4 and extend respectively under the backrest 1 and under the leg support 3.
  • the beams 18 are made integral at their free ends with two feet 20 connected by a bar 21.
  • a headboard 22 is capable of being fixed in the extension of the feet 20.
  • the longitudinal members 18 constitute a stop for the backrest 1 when it is in a horizontal position, as illustrated in the drawing.
  • the longitudinal members 18 are constituted by two tubular profiles 23, 24, one engaged in the other.
  • the internal profile 23 has an elastic stud 25 capable of engaging in two holes 26 of the external profile 24.
  • the longitudinal members 19 are supported at their free ends by a pair of feet 27 connected by a bar 28.
  • the longitudinal members 19 each carry a pivot 29 capable of cooperating with one or the other of two bores 30, 31, provided in the sides of the leg support 3.
  • a locking device with notches 32 makes it possible to adjust the inclination of the leg support 3 with respect to the longitudinal members 19.
  • This device 32 cooperates with one or the other of two studs 33 according to the bores 30 or 31, in which the pivots 29 are engaged.
  • the crosspieces 10 serve as a support for a fabric 34, the ends of which surround the crosspieces 10 disposed at the opposite ends of the backrest 1 and of the leg support 3. So as to be able to keep the same fabric 34 regardless of how the articulations of the backrest 1 and of the leg support 3 are mounted, the crosspieces 10 serving for fixing to the fabric 34 are each capable of being mounted in two housings 11 of each side 7 and 9 of the backrest 1 and of the support - legs 3.
  • the frame described above is intended to receive a mattress 35 shown in phantom by the drawing.
  • a bed comprising this frame is capable of occupying all the intermediate positions between the horizontal position, as illustrated by the drawing, and the so-called relaxation position, in which the backrest 1 is raised.
  • a self-locking locking device 36 controlled by a lever 37 fixed to the seat, makes it possible to block the bed in a position desired by a user.
  • the use of a bed provided with this frame can modify its position by pressing more strongly on the backrest 1 or on the seat 2, after having released the locking device 36.
  • pressing more strongly on the seat 2 it sinks and the backrest 1 straightens; conversely, by pressing on the backrest 1, it is lowered and the seat 2 'is raised.
  • the articulated bed frame described above has the advantage of being able to have several lengths or even of being able to be modified in its length, without any of its constituent parts being replaced.
  • the file 1 has pivots capable of being mounted in two bores of each side 5 of the cradle.
  • the apparent length of the seat 2 is greater or less depending on the bores in which said pivots are mounted.
  • the leg support 3 could be capable of being articulated in several bores provided in the longitudinal members 19.
  • the frame shown in Figure 2 is intended more particularly to form a relaxation bed.
  • This bed comprises three parts, either a backrest A, a seat B and a leg support C, articulated on a cradle 1 forming a support and resting on the ground.
  • the cradle 1 is formed by two lateral flanks 2 connected by transverse bars 3 forming a spacer.
  • the parts A, B and C each consist of two lateral sides, respectively 4, 5 and 6, connected by crosspieces 7.
  • the latter serve for fixing to a canvas or several parallel straps, represented schematically by dashed lines 8.
  • the upper ends of the sides 2 of the cradle 1 have pivots 9 and 10.
  • the pivots 9 are engaged in bores in the sides 4 of the backrest A and the pivots 10 cooperate with slides of the sides 5 of the seat B.
  • Each side 2 of the cradle 1 also has an articulation pivot 11 for an arcuate lever 12.
  • One end of each of these levers 12 is engaged on a stud 13 of a sidewall 5 of the seat B, while the other end of this lever carries a stud 14 engaged in a slideway 15 of a sidewall 4 of the folder A.
  • the user of a bed with a frame of this kind can, depending on whether he presses more strongly on the backrest A or on the seat B, respectively lower or raise the backrest A, which corresponds to an increase or a depression of the seat B.
  • the arched levers 12 pivot relative to the sides 2 of the cradle 1. To block the bed frame in a given position, it suffices to angularly block these levers 12 relative to cradle 1.
  • a locking device 16 illustrated in FIGS. 2 and 3, is disposed on each side of the frame, fixed on the internal face of the sides 2 of the cradle 1.
  • Each locking device 16 comprises two cams constituted by eccentrics 17, 18, pivotally mounted between two parallel sheets 19, 20, these cams 17, 18 facing a support plate 21 integral with said sheets 19, 20.
  • Each cam 17, 18 has two lever arms, a first lever arm 26, at the end of which acts a spring 27 and a second lever arm 28, capable of cooperating with release means 29.
  • the eccentric cams 17, 18 resiliently press the strap 22 against the support plate 21.
  • These two cams 17, 18 are arranged so as to block the strap 22 by self-tightening against the plate support 21, each in a direction of movement of the strap 22 relative to the support plate 21.
  • the strap 22 When, for example, the strap 22 moves from the left to the right in FIG. 3, it frictionally drives the cam 17. The latter pivots and, by its shape, increases the tightening of the strap 22 against the support plate 21 until it locks.
  • the unlocking means 29 comprise an eccentric 31 capable of cooperating with the ends 30 of the lever arms 28.
  • This eccentric 31 is pivotally mounted between the two sheets 19, 20, on an extension of the articulation axis 11 of the lever 12.
  • the eccentric 31 is angularly integral with two pulleys 32, 33.
  • On the first pulley 32 is wound a cable 34 subjected to the action of a return spring 35.
  • the second pulley 33 visible in FIG. 2, is wound by one end of an actuating cable 36, the other end of which is made integral with a sector 37 pivotally mounted on a side 5 of the seat B, along an axis whose distance from the axis of pivoting of the eccentric 31 is substantially constant for all the positions of the armature.
  • Sector 37 is angularly secured to an actuating handle 38 and has an abutment spout 39 bearing cort.2e a stud 40.
  • the sectors 37 each arranged on one side of the bed frame, are angularly rendered integral with each other, so as to be actuated simultaneously by a single actuating handle 38.
  • the locking device can easily be operated by the user. Furthermore, untimely unlocking is impossible.
  • the seat B and the backrest A can pivot slightly in one direction or the other, which ensures a certain flexibility in the seat and the backrest, and thereby more comfort for the user.
  • the circular sector could bear around its periphery a friction lining.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'armature d'un lit articulé comprend essentiellement un dossier 1, un siège 2 et un appui-jambes 3, montés sur un berceau 4. Le dossier 1 et l'applui-jambes 3 sont montés pivotants sur ce berceau 4. Le dossier 1 et l'appui-jambes 3 présentent des alésages 12, 17, 30, 31, espacés l'un de l'autre et susceptibles de coopérer avec des pivots 13, 29 d'articulation solidaires du berceau 4. Suivant les alésages 12, 30 ou 17, 31, dans lesquels sont montés les pivots 13, 29, la longueur utile de l'armature est différents. Cette longueur utile peut être modifiée sans difficulté en fonction de la taille d'un utilisateur.The frame of an articulated bed essentially comprises a backrest 1, a seat 2 and a leg support 3, mounted on a cradle 4. The backrest 1 and the leg support 3 are pivotally mounted on this cradle 4. The backrest 1 and the leg support 3 have bores 12, 17, 30, 31, spaced from each other and capable of cooperating with pivots 13, 29 of articulation integral with the cradle 4. According to the bores 12, 30 or 17, 31, in which the pivots 13, 29 are mounted, the useful length of the frame is different. This useful length can be changed without difficulty depending on the size of a user.

Description

La présente invention est relative à une armature articulée pour lit, siège de relaxation ou fauteuil, comprenant trois parties montées sur un support, ces parties formant respectivement un dossier, un siège et un appui-jambes.The present invention relates to an articulated frame for a bed, relaxation seat or armchair, comprising three parts mounted on a support, these parts respectively forming a backrest, a seat and a leg support.

Les lits articulés sont plus particulièrement destinés aux établissements hôteliers, hospitaliers ou de convalescence, qui sont appelés à recevoir un grand nombre d'individus de tailles différentes. Le confort d'un utilisateur dans un tel lit dépend non seulement de la longueur de ce lit, mais également de la façon dont il s'articule. Généralement, les lits articulés fabriqués en grande série ont une longueur standard de 1,90 m. Des lits plus longs, prévus pour les personnes de grande taille, sont fabriqués en petite série et, de ce fait, coûtent sensiblement plus cher.The articulated beds are more particularly intended for hotel establishments, hospitals or convalescence, which are called upon to receive a large number of individuals of different sizes. The comfort of a user in such a bed depends not only on the length of this bed, but also on the way it is articulated. Generally, mass produced articulated beds have a standard length of 1.90 m. Longer beds, intended for tall people, are produced in small series and therefore cost significantly more.

Les moyens de blocage généralement utilisés dans les ensembles articulés comprennent souvent un organe de serrage agissant sur les deux pièces au niveau de leur articulation, parallèlement à l'axe de cette articulation. L'organe de serrage est actionné par un levier de commande et de blocage, qui est assuré par la friction des deux pièces l'une contre l'autre et qui dupend de l'effort exercé par l'usager.The locking means generally used in articulated assemblies often include a clamping member acting on the two parts at their articulation, parallel to the axis of this articulation. The clamping member is actuated by a control and blocking lever, which is ensured by the friction of the two parts against each other and which depends on the force exerted by the user.

Un objet de la présente invention est de réaliser une armature pour lit articulé pouvant présenter plusieurs longueurs utiles, sans aucune incidence sur le prix de revient.An object of the present invention is to provide a frame for an articulated bed which can have several useful lengths, without any impact on the cost price.

Un autre objet de la présente invention est de réaliser une armature articulée pour lit ou siège de relaxation, munie de moyens de blocage faciles à utiliser, ne nécessitant pas d'effort de serrage important et ne pouvant se desserrer de façon intempestive.Another object of the present invention is to produce an articulated frame for a relaxation bed or seat, provided with easy-to-use locking means, requiring no significant clamping force and cannot loosen untimely.

Ces buts sont atteints par la présente invention, en ce que le lit articulé tel que défini précédemment est caractérisé en ce que son armature comprend des moyens de modification de la position d'au moins une des parties extrêmes, dossier ou appui-jambes, par rapport au siège, pour permettre de modifier la longueur totale du lit, et des moyens de blocage pour bloquer en position le dossier par rapport au siège.These aims are achieved by the present invention, in that the articulated bed as defined above is characterized in that its frame comprises means for modifying the position of at least one of the end parts, backrest or leg support, by relative to the seat, to allow the total length of the bed to be modified, and locking means for locking the backrest in position relative to the seat.

D'autre part, les moyens de blocage comportent une sangle fixée par ses extrémités respectivement à chaque extrémité du levier, au moins un excentrique à came soumis à l'action d'un ressort de rappel tendant à le maintenir dans une position où il serre la sangle contre une plaque d'appui solidaire du support, et des moyens de commande susceptibles de faire pivoter l'excentrique à came contre l'action du ressort pour libérer la sangle.On the other hand, the locking means comprise a strap fixed by its ends respectively to each end of the lever, at least one cam eccentric subjected to the action of a return spring tending to keep it in a position where it clamps the strap against a support plate secured to the support, and control means capable of rotating the cam eccentric against the action of the spring to release the strap.

La présente invention sera mieux comprise en référence à la description d'un exemple de réalisation et du dessin annexé dans lequel:

  • La figure 1 représente une vue en élévation d'une armature articulée selon l'invention,
  • La figure 2 illustre une forme dépouillée schématique de l'armature de la fig. 1, illustrant particulièrement la disposition des moyens de blocage du dossier par rapport au siège,
  • La figure 3 illustre une première vue en coupe longitudinale selon un premier plan de l'articulation du lit comprenant les moyens de blocage du dossier par rapport au siège,
  • La figure 4 illustre une seconde vue en coupe longitudinale de l'articulation du lit, selon un second plan parallèle audit premier plan de coupe.
The present invention will be better understood with reference to the description of an exemplary embodiment and the appended drawing in which:
  • FIG. 1 represents an elevation view of an articulated frame according to the invention,
  • FIG. 2 illustrates a schematic stripped form of the frame of FIG. 1, particularly illustrating the arrangement of the means for blocking the backrest with respect to the seat,
  • FIG. 3 illustrates a first view in longitudinal section along a first plane of the articulation of the bed comprising the means for blocking the backrest with respect to the seat,
  • FIG. 4 illustrates a second view in longitudinal section of the articulation of the bed, along a second plane parallel to said first cutting plane.

En référence à la fig. 1, l'armature pour lit articulé comprend trois parties, respectivement un dossier 1, un siège 2 et un appui-jambes 3. Ces trois parties 1, 2 et 3 sont montées sur un berceau 4 constitué par deux flancs 5 reliés par des barreaux 6 formant entretoise. De façon analogue, le dossier 1, le siège 2 et l'appui-jambes 3 sont formés par deux flancs respectivement 7, 8 et 9 reliés par des traverses 10. Ces dernières sont fixées à chacune de leurs extrémités dans des logements 11 des flancs 7, 8 et 9.With reference to fig. 1, the frame for an articulated bed comprises three parts, respectively a backrest 1, a seat 2 and a leg support 3. These three parts 1, 2 and 3 are mounted on a cradle 4 constituted by two sides 5 connected by bars 6 forming a spacer. In a way similar, the backrest 1, the seat 2 and the leg support 3 are formed by two sides 7, 8 and 9 respectively connected by crosspieces 10. The latter are fixed at each of their ends in housings 11 of the sides 7, 8 and 9.

Le dossier 1 est articulé sur le berceau 4, un alésage 12 de chacun de ses flancs 7 étant traversé par un pivot 13 solidaire de chaque flanc 5 du berceau 4.The backrest 1 is articulated on the cradle 4, a bore 12 of each of its sides 7 being traversed by a pivot 13 secured to each side 5 of the cradle 4.

Les flancs 8 du siège 2 présentent chacun une glissière 11 dans laquelle est engagé un barreau 6. De chaque côté de l'armature, un levier arqué 15 pivoté sur le flanc 5 du berceau 4, relie le dossier 1 au siège 2. L'une des extrémités de ce levier 15 pivote sur le flanc 8 du siège 2, tandis que l'autre extrémité de ce levier 15 est guidée dans une glissière 16 des flancs 7 du dossier 1.The sides 8 of the seat 2 each have a slide 11 in which is engaged a bar 6. On each side of the frame, an arcuate lever 15 pivoted on the side 5 of the cradle 4, connects the backrest 1 to the seat 2. The one of the ends of this lever 15 pivots on the side 8 of the seat 2, while the other end of this lever 15 is guided in a slide 16 of the sides 7 of the backrest 1.

Les flancs 7 du dossier 1 présentent chacun un second alésage 17 susceptible de coopérer avec un pivot 13 d'articulation. Lorsque l'on monte les pivots 13 dans ces alésages 17, la longueur utile de l'armature entre le siège 2 et le dossier 1 augmente d'une grandeur égale à l'écartement des deux alésages 12, 17, de chaque flanc 7.The sides 7 of the backrest 1 each have a second bore 17 capable of cooperating with a pivot 13 of articulation. When the pivots 13 are mounted in these bores 17, the useful length of the frame between the seat 2 and the backrest 1 increases by a size equal to the spacing of the two bores 12, 17, of each flank 7.

Des longerons horizontaux 18 et 19 sont fixés au berceau 4 et s'étendent respectivement sous le dossier 1 et sous l'appui-jambes 3. Les longerons 18 sont rendus solidaires à leurs extrémités libres de deux pieds 20 reliés par une barre 21. Une tête de lit 22 est susceptible d'être fixée dans le prolongement des pieds 20. Les longerons 18 constituent une butée pour le dossier 1 lorsqu'il se trouve en position horizontale, comme illustré sur le dessin.Horizontal beams 18 and 19 are fixed to the cradle 4 and extend respectively under the backrest 1 and under the leg support 3. The beams 18 are made integral at their free ends with two feet 20 connected by a bar 21. A headboard 22 is capable of being fixed in the extension of the feet 20. The longitudinal members 18 constitute a stop for the backrest 1 when it is in a horizontal position, as illustrated in the drawing.

De façon à pouvoir s'adapter à un allongement de l'armature par déplacement de l'articulation du dossier 1 des alésages 12 aux alésages 17, les longerons 18 sont constitués par deux profilés tubulaires 23, 24, engagés l'un dans l'autre. Le profilé intérieur 23 présente un téton élastique 25 susceptible de s'engager dans deux trous 26 du profilé extérieur 24.In order to be able to adapt to an elongation of the frame by displacement of the articulation of the backrest 1 of the bores 12 to the bores 17, the longitudinal members 18 are constituted by two tubular profiles 23, 24, one engaged in the other. The internal profile 23 has an elastic stud 25 capable of engaging in two holes 26 of the external profile 24.

Les longerons 19 sont supportés à leurs extrémités libres par une paire de pieds 27 reliés par une barre 28. Les longerons 19 portent chacun un pivot 29 susceptible de coopérer avec l'un ou l'autre de deux alésages 30, 31, prévus dans les flancs de l'appui-jambes 3.The longitudinal members 19 are supported at their free ends by a pair of feet 27 connected by a bar 28. The longitudinal members 19 each carry a pivot 29 capable of cooperating with one or the other of two bores 30, 31, provided in the sides of the leg support 3.

Un dispositif de blocage à crans 32 permet de régler l'inclinaison de l'appui-jambes 3 par rapport aux longerons 19. Ce dispositif 32 coopère avec l'un ou l'autre de deux tenons 33 suivant les alésages 30 ou 31, dans lesquels les pivots 29 sont engagés. Les traverses 10 servent de support à une toile 34, dont les extrémités entourent les traverses 10 disposées aux extrémités opposées du dossier 1 et de l'appui-jambes 3. De façon à pouvoir conserver une même toile 34 quelle que soit la façon dont les articulations du dossier 1 et de l'appui-jambes 3 sont montées, les traverses 10 servant de fixation à la toile 34 sont susceptibles d'être montées chacune dans deux logements 11 de chaque flanc 7 et 9 du dossier 1 et de l'appui-jambes 3.A locking device with notches 32 makes it possible to adjust the inclination of the leg support 3 with respect to the longitudinal members 19. This device 32 cooperates with one or the other of two studs 33 according to the bores 30 or 31, in which the pivots 29 are engaged. The crosspieces 10 serve as a support for a fabric 34, the ends of which surround the crosspieces 10 disposed at the opposite ends of the backrest 1 and of the leg support 3. So as to be able to keep the same fabric 34 regardless of how the articulations of the backrest 1 and of the leg support 3 are mounted, the crosspieces 10 serving for fixing to the fabric 34 are each capable of being mounted in two housings 11 of each side 7 and 9 of the backrest 1 and of the support - legs 3.

L'armature décrite ci-dessus est destinée à recevoir un matelas 35 représenté en traits mixtes par le dessin.The frame described above is intended to receive a mattress 35 shown in phantom by the drawing.

Un lit comprenant cette armature est susceptible d'occuper toutes les positions intermédiaires entre la position horizontale, comme illustré par le dessin, et la position dite de relaxation, dans laquelle le dossier 1 est relevé. Un dispositif de verrouillage 36 autobloquant, commandé par un levier 37 fixé au siège, permet de bloquer le lit dans une position désirée par un utilisateur.A bed comprising this frame is capable of occupying all the intermediate positions between the horizontal position, as illustrated by the drawing, and the so-called relaxation position, in which the backrest 1 is raised. A self-locking locking device 36, controlled by a lever 37 fixed to the seat, makes it possible to block the bed in a position desired by a user.

De façon habituelle, l'utilisation d'un lit muni de cette armature peut modifier sa position en appuyant plus fortement sur le dossier 1 ou sur le siège 2, après avoir libéré le dispositif de verrouillage 36. En appuyant plus fortement sur le siège 2, celui-ci s'enfonce et le dossier 1 se redresse; inversement, en appuyant sur le dossier 1, celui-ci s'abaisse et le siège 2'se relève.Usually, the use of a bed provided with this frame can modify its position by pressing more strongly on the backrest 1 or on the seat 2, after having released the locking device 36. By pressing more strongly on the seat 2 , it sinks and the backrest 1 straightens; conversely, by pressing on the backrest 1, it is lowered and the seat 2 'is raised.

L'armature pour lit articulé décrite ci-dessus a l'avantage de pouvoir présenter plusieurs longueurs ou même de pouvoir être modifiée dans sa longueur, sans qu'aucune de ses pièces constitutives en soit remplacée.The articulated bed frame described above has the advantage of being able to have several lengths or even of being able to be modified in its length, without any of its constituent parts being replaced.

On pourrait prévoir de nombreuses variantes de l'armature faisant l'objet de l'invention.Many variants of the frame which is the subject of the invention could be provided.

On pourrait notamment envisager une armature dans laquelle le dossier 1 présente des pivots susceptibles d'être montés dans deux alésages de chaque flanc 5 du berceau. Dans cette variante, en position dite de relaxation, la longueur apparente du siège 2 est plus ou moins grande suivant les alésages dans lesquels sont montés lesdits pivots. De façon analogue, l'appui-jambes 3 pourrait être susceptible d'être articulé dans plusieurs alésages prévus dans les longerons 19.One could in particular consider a frame in which the file 1 has pivots capable of being mounted in two bores of each side 5 of the cradle. In this variant, in the so-called relaxation position, the apparent length of the seat 2 is greater or less depending on the bores in which said pivots are mounted. Similarly, the leg support 3 could be capable of being articulated in several bores provided in the longitudinal members 19.

L'armature représentée par la figure 2 est destinée plus particulièrement à former un lit de relaxation. Ce lit comprend trois parties, soit un dossier A, un siège B et un appui-jambes C, articulées sur un berceau 1 formant support et reposant sur le sol.The frame shown in Figure 2 is intended more particularly to form a relaxation bed. This bed comprises three parts, either a backrest A, a seat B and a leg support C, articulated on a cradle 1 forming a support and resting on the ground.

Le berceau 1 est formé par deux flancs latéraux 2 reliés par des barres transversales 3 formant entretoise.The cradle 1 is formed by two lateral flanks 2 connected by transverse bars 3 forming a spacer.

Les parties A, B et C sont constituées chacune par deux flancs latéraux, respectivement 4, 5 et 6, reliés par des traverses 7. Ces dernières servent de fixation à une toile ou plusieurs sangles parallèles, représentées schématiquement par des traits mixtes 8.The parts A, B and C each consist of two lateral sides, respectively 4, 5 and 6, connected by crosspieces 7. The latter serve for fixing to a canvas or several parallel straps, represented schematically by dashed lines 8.

Les extrémités supérieures des flancs 2 du berceau 1 présentent des pivots 9 et 10. Les pivots 9 sont engagés dans des alésages des flancs 4 du dossier A et les pivots 10 coopèrent avec des glissières des flancs 5 du siège B.The upper ends of the sides 2 of the cradle 1 have pivots 9 and 10. The pivots 9 are engaged in bores in the sides 4 of the backrest A and the pivots 10 cooperate with slides of the sides 5 of the seat B.

Chaque flanc 2 du berceau 1 présente en outre un pivot d'articulation 11 pour un levier 12 arqué. L'une des extrémités de chacun de ces leviers 12 est engagée sur un téton 13 d'un flanc 5 du siège B, tandis que l'autre extrémité de ce levier porte un téton 14 engagé dans une glissière 15 d'un flanc 4 du dossier A.Each side 2 of the cradle 1 also has an articulation pivot 11 for an arcuate lever 12. One end of each of these levers 12 is engaged on a stud 13 of a sidewall 5 of the seat B, while the other end of this lever carries a stud 14 engaged in a slideway 15 of a sidewall 4 of the folder A.

De façon habituelle, l'utilisateur d'un lit présentant une armature de ce genre peut, selon qu'il appuie plus fortement sur le dossier A ou sur le siège B, respectivement abaisser ou relever le dossier A, ce qui correspond à un relèvement ou un enfoncement du siège B. Lors des mouvements du dossier A et du siège B, les leviers 12 arqués pivotent par rapport aux flancs 2 du berceau 1. Pour bloquer l'armature du lit dans une position donnée, il suffit de bloquer angulairement ces leviers 12 par rapport au berceau 1.Usually, the user of a bed with a frame of this kind can, depending on whether he presses more strongly on the backrest A or on the seat B, respectively lower or raise the backrest A, which corresponds to an increase or a depression of the seat B. During the movements of the backrest A and of the seat B, the arched levers 12 pivot relative to the sides 2 of the cradle 1. To block the bed frame in a given position, it suffices to angularly block these levers 12 relative to cradle 1.

A cet effet, un dispositif de blocage 16, illustré aux fig. 2 et 3, est disposé de chaque côté de l'armature, fixé sur la face interne des flancs 2 du berceau 1. Chaque dispositif de blocage 16 comprend deux cames constituées par des excentriques 17, 18, montés pivotants entre deux tôles parallèles 19, 20, ces cames 17, 18 faisant face à une plaque d'appui 21 solidaire desdites tôles 19, 20.To this end, a locking device 16, illustrated in FIGS. 2 and 3, is disposed on each side of the frame, fixed on the internal face of the sides 2 of the cradle 1. Each locking device 16 comprises two cams constituted by eccentrics 17, 18, pivotally mounted between two parallel sheets 19, 20, these cams 17, 18 facing a support plate 21 integral with said sheets 19, 20.

Une sangle 22, fixée aux extrémités du levier 12 sur des prolongements des tétons 13 et 14, est guidée par des galets 23 et 24, entre la plaque d'appui 21 et les cames 17 et 18. Cette sangle 22 est maintenue tendue par un ressort 25 agissant entre le prolongement du téton 13 et une extrémité de la sangle 22.A strap 22, fixed at the ends of the lever 12 on extensions of the studs 13 and 14, is guided by rollers 23 and 24, between the support plate 21 and the cams 17 and 18. This strap 22 is held taut by a spring 25 acting between the extension of the stud 13 and one end of the strap 22.

Chaque came 17, 18 présente deux bras de levier, un premier bras de levier 26, à l'extrémité duquel agit un ressort 27 et un second bras de levier 28, susceptible de coopérer avec des moyens de déblocage 29.Each cam 17, 18 has two lever arms, a first lever arm 26, at the end of which acts a spring 27 and a second lever arm 28, capable of cooperating with release means 29.

Sous l'action des ressorts 27, les cames excentriques 17, 18 pressent élastiquement la sangle 22 contre la plaque d'appui 21. Ces deux cames 17, 18 sont disposées de façon à assurer le blocage de la sangle 22 par autoserrage contre la plaque d'appui 21, chacune dans un sens de déplacement de la sangle 22 par rapport à la plaque d'appui 21.Under the action of the springs 27, the eccentric cams 17, 18 resiliently press the strap 22 against the support plate 21. These two cams 17, 18 are arranged so as to block the strap 22 by self-tightening against the plate support 21, each in a direction of movement of the strap 22 relative to the support plate 21.

Lorsque, par exemple, la sangle 22 se déplace de la gauche vers la droite à la fig. 3, elle entraîne par friction la came 17. Cette dernière pivote et, de par sa forme, augmente le serrage de la sangle 22 contre la plaque d'appui 21 jusqu'au blocage.When, for example, the strap 22 moves from the left to the right in FIG. 3, it frictionally drives the cam 17. The latter pivots and, by its shape, increases the tightening of the strap 22 against the support plate 21 until it locks.

Les moyens de déblocage 29 comprennentun excentrique 31 susceptible de coopérer avec les extrémités 30 des bras de levier 28. Cet excentrique 31 est monté pivotant entre les deux tôles 19, 20, sur un prolongement de l'axe d'articulation 11 du levier 12. L'excentrique 31 est angulairement solidaire de deux poulies 32, 33. Sur la première poulie 32, est enroulé un câble 34 soumis à l'action d'un ressort de rappel 35. La seconde poulie 33, visible à la fig. 2, est enroulée par une extrémité d'un câble d'actionnement 36, dont l'autre extrémité est rendue solidaire d'un secteur 37 monté pivotant sur un flanc 5 du siège B, selon un axe dont la distance avec l'axe de pivotement de l'excentrique 31 est sensiblement constante pour toutes les positions de l'armature. Le secteur 37 est angulairement solidaire d'une poignée d'actionnement 38 et présente un bec de butée 39 prenant appui cort.2e un téton 40. De préférence, les secteurs 37, disposés chacun d'un côté de l'armature du lit, sont rendus angulairement solidaires l'un de l'autre, de façon à être actionnés simultanément par une seule poignée d'actionnement 38.The unlocking means 29 comprise an eccentric 31 capable of cooperating with the ends 30 of the lever arms 28. This eccentric 31 is pivotally mounted between the two sheets 19, 20, on an extension of the articulation axis 11 of the lever 12. The eccentric 31 is angularly integral with two pulleys 32, 33. On the first pulley 32 is wound a cable 34 subjected to the action of a return spring 35. The second pulley 33, visible in FIG. 2, is wound by one end of an actuating cable 36, the other end of which is made integral with a sector 37 pivotally mounted on a side 5 of the seat B, along an axis whose distance from the axis of pivoting of the eccentric 31 is substantially constant for all the positions of the armature. Sector 37 is angularly secured to an actuating handle 38 and has an abutment spout 39 bearing cort.2e a stud 40. Preferably, the sectors 37, each arranged on one side of the bed frame, are angularly rendered integral with each other, so as to be actuated simultaneously by a single actuating handle 38.

En position de repos, comme illustré à la fig. 3, l'excentrique 31 est écarté des extrémités 30 des leviers 28. Il est maintenu dans cette position par le ressort de rappel 35 agissant sur la poulie 32 par l'intermédiaire du câble 34, le bec de butée 39 des secteurs 37 prenant appui contre le téton 40.In the rest position, as illustrated in fig. 3, the eccentric 31 is spaced from the ends 30 of the levers 28. It is held in this position by the return spring 35 acting on the pulley 32 by means of the cable 34, the stopper spout 39 of the sectors 37 bearing. against the nipple 40.

Lorsqu'un utilisateur désire changer la position de l'armature du lit, il lui suffit d'abaisser la poignée d'actionnement 38 contre l'action du ressort de rappel 35. Lors de ce mouvement, le secteur 37 pivote et entraîne, par l'intermédiaire du câble d'actionnement 36, l'excentrique 31 dans un pivotement en sens inverse à celui des aiguilles d'une montre, en référence à la fig. 3. L'excentrique 31 coopère avec les extrémités 30 des bras de levier 28 et fait pivoter les cames 17, 18, de façon à libérer la sangle 22. L'utilisateur peut alors changer la position de l'armature et la bloquer dans une nouvelle position en relâchant simplement la poignée 38.When a user wishes to change the position of the bed frame, he simply has to lower the actuating handle 38 against the action of the return spring 35. During this movement, the sector 37 pivots and drives, by via the actuating cable 36, the eccentric 31 in a pivoting in the opposite direction to that of the needles of a watch, with reference to FIG. 3. The eccentric 31 cooperates with the ends 30 of the lever arms 28 and rotates the cams 17, 18, so as to release the strap 22. The user can then change the position of the frame and lock it in a new position by simply releasing the handle 38.

On voit que dans l'armature articulée décrite ci-dessus, le dispositif de blocage peut facilement être manoeuvré par l'usager. En outre, un déblocage intempestif est impossible.We see that in the articulated frame described above, the locking device can easily be operated by the user. Furthermore, untimely unlocking is impossible.

Grâce au ressort 25, le siège B et le dossier A peuvent pivoter légèrement dans un sens ou dans l'autre, ce qui assure une certaine souplesse au siège et au dossier, et par là, plus de confort à l'usager.Thanks to the spring 25, the seat B and the backrest A can pivot slightly in one direction or the other, which ensures a certain flexibility in the seat and the backrest, and thereby more comfort for the user.

On peut prévoir de nombreuses variantes de l'armature articulée faisant l'objet de l'invention.Many variants of the articulated armature which is the subject of the invention can be provided.

On pourrait envisager de tendre la sangle 22 par un tendeur constitué de façon connue par un galet soumis à l'action d'un ressort, les deux extrémités de la sangle 22 étant fixées aux extrémités du levier 12. On pourrait prévoir une forme d'exécution dans laquelle les cames 17, 18 sont disposées en regard des galets 23, 24 et sont susceptibles de bloquer la sangle 22 par autoserrage contre ces galets 23, 24.One could consider tensioning the strap 22 by a tensioner constituted in a known manner by a roller subjected to the action of a spring, the two ends of the strap 22 being fixed to the ends of the lever 12. One could provide a form of execution in which the cams 17, 18 are arranged opposite the rollers 23, 24 and are liable to block quer the strap 22 by self-tightening against these rollers 23, 24.

On pourrait encore envisager une armature articulée dans laquelle le levier 12 soit solidaire d'un secteur circulaire contre lequel agissent les cames 17, 18. Dans cette variante, le secteur circulaire pourrait porter sur son pourtour une garniture de friction.One could also envisage an articulated frame in which the lever 12 is secured to a circular sector against which the cams 17, 18 act. In this variant, the circular sector could bear around its periphery a friction lining.

Claims (10)

1. Armature articulée pour lit, siège de relaxation ou fauteuil, comprenant trois parties montées sur un support, ces parties formant respectivement un dossier, un siège et un appui-jambes, caractérisée en ce qu'elle comprend des moyens de modification de la position d'au moins une des parties extrêmes, dossier ou appui-jambes, par rapport au siège, pour permettre de modifier la longueur totale du lit, et des moyens de blocage pour bloquer en position le dossier par rapport au siège.1. Articulated frame for bed, relaxation seat or armchair, comprising three parts mounted on a support, these parts respectively forming a backrest, a seat and a leg support, characterized in that it comprises means for modifying the position at least one of the end parts, backrest or leg support, relative to the seat, to allow the total length of the bed to be modified, and locking means for locking the backrest in position relative to the seat. 2. Armature selon la revendication 1, dans laquelle le dossier et l'appui-jambes sont articulés sur le support par des pivots, caractérisée en ce que plusieurs alésages sont prévus pour recevoir les pivots.2. Frame according to claim 1, wherein the backrest and the leg support are articulated on the support by pivots, characterized in that several bores are provided for receiving the pivots. 3. Armature selon la revendication 2, dans laquelle chacune desdites parties comprend deux flancs latéraux reliés entre eux par des traverses, une toile de protection du matelas étant fixée aux deux traverses extrêmes du dossier et respectivement de l'appui-jambes, caractérisée en ce que le dossier et l'appui-jambes présentent des moyens de fixation de ces deux traverses, décalés longitudinalement de façon à permettre de conserver la même distance entre ces traverses pour toutes les longueurs utiles que l'on peut donner à l'armature.3. Reinforcement according to claim 2, in which each of said parts comprises two lateral flanks connected to each other by crosspieces, a protective fabric for the mattress being fixed to the two end crosspieces of the backrest and respectively of the leg support, characterized in that that the backrest and the leg support have means for fixing these two crosspieces, offset longitudinally so as to allow the same distance to be kept between these crosspieces for all the useful lengths that can be given to the frame. 4. Armature selon la revendication 3, caractérisée en ce qu'elle comprend une tête de lit reliée audit support par deux longerons, des moyens étant prévus pour régler la position longitudinale des longerons pour l'adapter à la longueur utile donnée à l'armature.4. Frame according to claim 3, characterized in that it comprises a headboard connected to said support by two beams, means being provided for adjusting the longitudinal position of the beams to adapt it to the useful length given to the frame. . 5. Armature articulée srlon la revendication 1, caractérisée en ce que lesdits moyens de blocage comportent une sangle fixée par ses extrémités respectivement à chaque extrémité du levier, au moins un excentrique à came soumis à l'action d'un ressort de rappel tendant à le maintenir dans une position où il serre la sangle contre une plaque d'appui solidaire du support, et des moyens de commande susceptibles de faire pivoter l'excentrique à came contre l'action du ressort pour libérer la sangle.5. articulated frame according to claim 1, characterized in that said blocking means comprise a strap fixed by its ends respectively to each end of the lever, at least one cam eccentric subjected to the action of a return spring tending to keep it in a position where it tightens the strap against a support plate secured to the support, and control means capable of rotating the cam eccentric against the action of the spring to release the strap. 6. Armature selon la revendication 5, caractérisée en ce que lesdits moyens de blocage comprennent d'autre part deux excentriques à came disposés de manière à bloquer la sangle contre la plaque d'appui par autoserrage à effet opposé.6. Armature according to claim 5, characterized in that said blocking means further comprise two cam cam eccentrics installed so as to lock the strap against the support plate by self-tightening with opposite effect. 7. Armature selon les revendications 5 ou 6, caractérisée en ce que chaque excentrique à came présente un bras de levier dont l'extrémité est susceptible de coopérer avec les moyens de commande.7. Armature according to claims 5 or 6, characterized in that each cam eccentric has a lever arm whose end is capable of cooperating with the control means. 8. Armature selon la revendication 7, caractérisée en ce que les moyens de commande comprennent un excentrique soumis à un couple de rappel tendant à éloigner sa périphérie des bras de levier et susceptible d'être entraîné angulairement, de manière à coopérer avec lesdits bras de levier.8. Armature according to claim 7, characterized in that the control means comprise an eccentric subjected to a restoring torque tending to move its periphery away from the lever arms and capable of being angularly driven, so as to cooperate with said arms of the sink. 9. Armature selon la revendication 8, caractérisée en ce que les moyens de commande comprennent une poulie angulairement solidaire de l'excentrique, un câble étant fixé d'une part à la poulie et, d'autre part, à une poignée dont le déplacement entraîne le pivotement de l'excentrique.9. Armature according to claim 8, characterized in that the control means comprise a pulley angularly integral with the eccentric, a cable being fixed on the one hand to the pulley and, on the other hand, to a handle whose displacement causes the eccentric to pivot. 10. Armature selon la revendication 5, caractérisée en ce que la sangle est reliée au levier par l'intermédiaire d'un ressort, de manière à assurer un blocage élastique du levier.10. Armature according to claim 5, characterized in that the strap is connected to the lever by means of a spring, so as to ensure an elastic blocking of the lever.
EP79810080A 1978-08-30 1979-08-28 Articulated frame for a bed, reclining chair or armchair Expired EP0009003B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79810080T ATE1330T1 (en) 1978-08-30 1979-08-28 ARTICULATED FRAME FOR BED, LOUNGER OR ARMCHAIR.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH914278A CH623218A5 (en) 1978-08-30 1978-08-30 Bed frame
CH9142/78 1978-08-30
CH9145/78 1978-08-30
CH914578A CH623217A5 (en) 1978-08-30 1978-08-30 Articulated frame for a relaxation seat or bed

Publications (3)

Publication Number Publication Date
EP0009003A2 true EP0009003A2 (en) 1980-03-19
EP0009003A3 EP0009003A3 (en) 1980-04-02
EP0009003B1 EP0009003B1 (en) 1982-07-14

Family

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Application Number Title Priority Date Filing Date
EP79810080A Expired EP0009003B1 (en) 1978-08-30 1979-08-28 Articulated frame for a bed, reclining chair or armchair

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US (1) US4406027A (en)
EP (1) EP0009003B1 (en)
JP (1) JPS5666213A (en)
AT (1) ATE1330T1 (en)
AU (1) AU527149B2 (en)
BR (1) BR7905799A (en)
CA (1) CA1163757A (en)
CH (1) CH623218A5 (en)
DE (1) DE2963344D1 (en)
ES (1) ES483724A1 (en)

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US4800599A (en) * 1987-09-08 1989-01-31 Korchinski Vernard S Somatic support system
US5640730A (en) * 1995-05-11 1997-06-24 Maxwell Products, Inc. Adjustable articulated bed with tiltable head portion
US5570485A (en) * 1995-12-12 1996-11-05 Nk Medical Products, Inc. Bed assembly
US6347420B2 (en) 2000-04-12 2002-02-19 Franklin E. Elliott System for producing anthropometric, adjustable, articulated beds
WO2002076367A2 (en) 2001-03-27 2002-10-03 Hill-Rom Services, Inc. Hospital bed
US7325265B2 (en) * 2004-07-30 2008-02-05 Hill-Rom Services, Inc. Advanced articulation system and mattress support for a bed
US7124456B2 (en) * 2004-08-11 2006-10-24 Stryker Corporation Articulated support surface for a stretcher or gurney
US20060220350A1 (en) * 2005-03-31 2006-10-05 Reef Rick R Bariatric phase chair
US7637464B2 (en) 2006-01-19 2009-12-29 Hill-Rom Services, Inc. Patient support with mobile IV stand transport handle
GB0918685D0 (en) * 2009-10-23 2009-12-09 Integrated Furniture Technolog Adjustable furniture
TWI803397B (en) * 2022-07-21 2023-05-21 施權航 electric bed

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FR373691A (en) * 1907-01-18 1907-05-24 Joseph Visger Headrest for beds
US2611907A (en) * 1949-02-23 1952-09-30 Leonard F Clerc Adjustable bed frame
CH597799A5 (en) * 1975-10-02 1978-04-14 Maurice Bourda Articulating sub-frame for reclining bed

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US2786213A (en) * 1953-12-29 1957-03-26 Catherine B Creveling Convertible hassock and bed
US3309717A (en) * 1963-03-20 1967-03-21 American Seating Co Hospital bed
US3353193A (en) * 1966-01-26 1967-11-21 Greiner Otto Self-adjusting beds
ZA746085B (en) * 1974-05-11 1975-11-26 Lusch Kg Ferd Bed or settee with a multi-part mattress frame

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
FR373691A (en) * 1907-01-18 1907-05-24 Joseph Visger Headrest for beds
US2611907A (en) * 1949-02-23 1952-09-30 Leonard F Clerc Adjustable bed frame
CH597799A5 (en) * 1975-10-02 1978-04-14 Maurice Bourda Articulating sub-frame for reclining bed

Also Published As

Publication number Publication date
DE2963344D1 (en) 1982-09-02
EP0009003B1 (en) 1982-07-14
JPS5666213A (en) 1981-06-04
ES483724A1 (en) 1980-03-01
US4406027A (en) 1983-09-27
EP0009003A3 (en) 1980-04-02
CH623218A5 (en) 1981-05-29
AU5029679A (en) 1980-03-06
BR7905799A (en) 1980-05-20
CA1163757A (en) 1984-03-20
AU527149B2 (en) 1983-02-17
ATE1330T1 (en) 1982-07-15

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