EP2179715A1 - Wheelchair - Google Patents

Wheelchair Download PDF

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Publication number
EP2179715A1
EP2179715A1 EP08167365A EP08167365A EP2179715A1 EP 2179715 A1 EP2179715 A1 EP 2179715A1 EP 08167365 A EP08167365 A EP 08167365A EP 08167365 A EP08167365 A EP 08167365A EP 2179715 A1 EP2179715 A1 EP 2179715A1
Authority
EP
European Patent Office
Prior art keywords
pallet
frame
hinge
post
wheelchair according
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
EP08167365A
Other languages
German (de)
French (fr)
Other versions
EP2179715B1 (en
Inventor
Mathilde Ailloud
Aurélie Lauret
Jean-Michel Roncin
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.)
Invacare International SARL
Original Assignee
Invacare International SARL
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Publication date
Application filed by Invacare International SARL filed Critical Invacare International SARL
Priority to EP08167365A priority Critical patent/EP2179715B1/en
Publication of EP2179715A1 publication Critical patent/EP2179715A1/en
Application granted granted Critical
Publication of EP2179715B1 publication Critical patent/EP2179715B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/127—Rests specially adapted therefor, e.g. for the head or the feet for lower legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet

Definitions

  • the present invention relates to a wheelchair comprising a frame, a footrest pallet placed at the lower end of a pallet post, and a calf support extending in use position in front of the pallet post. It relates in particular to a wheelchair shell type.
  • Shell-type wheelchairs are supportive and comfortable chairs designed especially for people who have difficulty sitting in a sitting position without help.
  • This type of chair comprises, in general, an upper part called “shell”, mounted on a frame having a number of wheels, the front wheels at least are adjustable. It also includes a leg support device with a pallet, or footrest plate, and a calf support.
  • the pallet is often linked to an amount that can be simple, double, or more massive design, and which has possibilities of height adjustment, to adapt to the length of the legs of the occupant of the chair.
  • These different bodies, including the pallet can be designed to be removable in cases where their momentary absence facilitates certain operations. This is particularly the case for the palette which often generates problems to approach certain elements such as toilets, a washbasin, etc.
  • the pallet when the pallet is absent from the chair, it does not facilitate some transfers of the occupant of the chair who enjoys being able to support the pallet. It also allows a good retention of the occupant of the chair, preventing him from sliding forward, the pallet serving in this case of abutment for the occupant of the chair.
  • the object of the present invention is therefore to provide a solution to overcome the difficulties set out above.
  • the present invention relates to a wheelchair of the type defined above and comprising the improvements according to the appended claims.
  • the armchair represented at Fig. 1 includes a shell 1 which, in a standardized production, will be rigid and light.
  • the shell 1 rests on a frame 2 provided with a rolling system 3 with steerable wheels 4.
  • the chair described comprises a footrest pad 5 and a calf support 6 of which the provisions and forms are clearly visible to the Fig. 1 and in the following figs.
  • the calf support 6 is rigidly fixed to a reinforcing bar 7 bent and secured at its upper end to a transverse support 8 which carries at its end a toothed sector 9.
  • This assembly is intended to cooperate with elements of the frame comprising a support shaft and a pinion (not shown) so that the frame 7 can be fixed as required in the position shown in FIG. Fig. 2 or in another position more or less oblique.
  • the calf support 6 is rigidly fixed to the frame 7.
  • the footrest pallet 5 is connected to the frame 7 by an amount generally designated by 10, designed so as to fulfill different functions.
  • the upper part of the upright 10 is a suspended U-section 11 by an axis 12 to the frame 7.
  • the footrest pallet 5 is hinged about an axis 16 disposed at the lower end of a tubular element 14 of square section slidably mounted within a tubular element 13, also of square section and held fixed height in the profile 11.
  • the inner dimensions of the element 13 are substantially greater than the outer dimensions of the element 14 so as to allow said sliding.
  • a bore 13a is provided in a corner of the tubular element 13 to receive a screw system (not shown in FIG. figure 2 but visible 26 at the figure 9 ) allowing the locking of the telescope function of the pair of elements 13, 14.
  • This arrangement makes it possible to adjust the position of the pallet 5 within a certain height margin. Thanks to a guard surround 19 integral with the pallet 5, it pivots freely on the axis 16 and abuts in a position perpendicular to the upright 10 against the rear part of the tubular element 14, the latter having at its rear lower end a clearance 15 intended to allow the pivoting of the pallet 5.
  • This mechanism comprises first a stop 17 fixed to the frame 7. If necessary, the stop may be adjustable on this frame but may be blocked in the desired position of case in case.
  • the mechanism further comprises a latch 18 in the form of a straight bar pivotally mounted in the profile 11 at the desired height to cooperate with the stop 17. Finally, an elastic blade 18a provides the locking position of the latch 18.
  • the figs 3 to 6 illustrate the series of retraction operations of the pallet 5 on the chair as described.
  • the Fig. 3 is the starting position already represented in Fig. 2 . It begins by unlocking the latch 18 so that, by pressing the pallet 5 rearwardly, the upright 10 is freely suspended around the axis 12, its relative position corresponds to what shows the Fig. 4 . It will be noted that this operation implies a sufficient free space in the chassis and the undercarriage to allow the tilting backwards according to the Fig. 4 .
  • Fig. 5 in the oblique position corresponding to the Fig.
  • the pallet 5 is raised by pivoting about the axis 16, which is a very simple operation to be performed by hand or even by the foot by the person guiding the chair.
  • the assembly "upright pallet footrest” takes the vertical position, the footrest being retracted, the latch 18 resuming its locking position under the effect of the elastic blade 18a. Reverse operations are obvious to restore the initial situation.
  • the Fig. 7 shows, in side elevation and profile, an armchair whose construction is slightly different from that of the Fig. 1 , and in which the operations necessary to retract the footrest pallet are different.
  • the shell 1, the chassis 2 and the undercarriage 3 with the wheels 4 differ little from what has already been described and do not interfere with the operation of the invention.
  • the members provided for the comfort of the legs comprise a footrest pallet 20 hinged to the base of an amount 21, and a calf support 22.
  • the upright 21 is fixed relative to the frame and the calf support is hinged at its upper part on an element 24 of the frame about an axis 23 perpendicular to the plane of the Fig. 7 .
  • the articulation of the footrest pallet 20 on the fixed upright 21 is provided around an axis 25 as for the axis 16 of the Fig. 2 .
  • the operations necessary to retract the footrest 20 are evident from the Fig.
  • the calf support 22 is first raised by pivoting about the axis 23 (1), then the footrest pallet 20 is raised in the vertical position visible at the Fig. 9 (2) and the calf support 22 is then folded downwards (3). The footrest pallet is then hidden behind the calf support, as in the Fig. 6 .
  • a screw 26 for blocking the telescope function for height adjustment of the position of the pallet 20.
  • the central frame 7 can be replaced by two side frames.
  • pallet retraction devices similar to those described above can of course be used on any type of armchair. wheelchairs, whether of shell-type chairs or other conventional wheelchairs, provided that the chair can be provided with a reinforcement element similar to the frame 7 of the described embodiments.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Legs For Furniture In General (AREA)
  • Passenger Equipment (AREA)

Abstract

The wheelchair has a footplate (5) placed at a lower end of a plate post (10), and a calf support (6) extending in front of the post in utilization position. A hinge mechanism allows tilting of the footplate from its utilization position to a stable withdrawal position, where the mechanism is arranged between the footplate and a chassis. The mechanism has a horizontal hinge pin (16) that connects the footplate to the post, and an upper hinge pin (12) that connects the post to the chassis.

Description

Domaine techniqueTechnical area

La présente invention concerne un fauteuil roulant comportant un châssis, une palette repose-pied placée à l'extrémité inférieure d'un montant de palette, et un appui de mollet s'étendant en position d'emploi devant le montant de palette. Elle concerne en particulier un fauteuil roulant du type coquille.The present invention relates to a wheelchair comprising a frame, a footrest pallet placed at the lower end of a pallet post, and a calf support extending in use position in front of the pallet post. It relates in particular to a wheelchair shell type.

Etat de la techniqueState of the art

Les fauteuils roulants du type coquille sont des fauteuils de maintien et de confort destinés en particulier aux personnes ayant des difficultés pour se maintenir en position assise sans une aide. Ce type de fauteuil comporte, de manière générale, une partie supérieure appelée "coquille", montée sur un châssis comportant un certain nombre de roues, dont les roues avant au moins sont orientables. Il comporte aussi un dispositif d'appui pour les jambes avec une palette, ou plaque repose-pied, et un appui de mollet. La palette est souvent liée à un montant qui peut être simple, double, ou de conception plus massive, et qui présente des possibilités de réglage en hauteur, pour l'adapter à la longueur des jambes de l'occupant du fauteuil. Ces différents organes, notamment la palette, peuvent être conçus de manière à être amovibles dans les cas où leur absence momentanée facilite certaines opérations. C'est particulièrement le cas pour la palette qui souvent génère des problèmes pour approcher certains éléments comme les toilettes, un lavabo, etc. Toutefois, lorsque la palette est absente du fauteuil, cela ne facilite pas certains transferts de l'occupant du fauteuil qui apprécie de pouvoir prendre appui sur la palette. Celle-ci permet également un bon maintien en place de l'occupant du fauteuil, lui évitant de glisser vers l'avant, la palette servant dans ce cas de butée pour l'occupant du fauteuil.Shell-type wheelchairs are supportive and comfortable chairs designed especially for people who have difficulty sitting in a sitting position without help. This type of chair comprises, in general, an upper part called "shell", mounted on a frame having a number of wheels, the front wheels at least are adjustable. It also includes a leg support device with a pallet, or footrest plate, and a calf support. The pallet is often linked to an amount that can be simple, double, or more massive design, and which has possibilities of height adjustment, to adapt to the length of the legs of the occupant of the chair. These different bodies, including the pallet, can be designed to be removable in cases where their momentary absence facilitates certain operations. This is particularly the case for the palette which often generates problems to approach certain elements such as toilets, a washbasin, etc. However, when the pallet is absent from the chair, it does not facilitate some transfers of the occupant of the chair who enjoys being able to support the pallet. It also allows a good retention of the occupant of the chair, preventing him from sliding forward, the pallet serving in this case of abutment for the occupant of the chair.

Cependant, la possibilité d'enlever et de remettre en place la palette selon les besoins de l'utilisateur du fauteuil entraîne des opérations manuelles qui, en général, ne sont pas appréciées. En définitive, la difficulté d'enlever et de remettre en place ces palettes amovibles fait que, la plupart du temps, la palette est soit toujours absente, soit toujours présente, et constitue de ce fait toujours l'objet de nombreuses critiques.However, the ability to remove and replace the pallet according to the needs of the user of the chair involves manual operations that, in general, are not appreciated. Ultimately, the difficulty of removing and replacing these removable pallets is that, most of the time, the pallet is either always absent or always present, and is therefore still subject to many criticisms.

Divulgation de l'inventionDisclosure of the invention

Le but de la présente invention est par conséquent de proposer une solution permettant de remédier aux difficultés énoncées ci-dessus.The object of the present invention is therefore to provide a solution to overcome the difficulties set out above.

A cet effet, la présente invention concerne un fauteuil roulant du type défini plus haut et comportant les perfectionnements selon les revendications annexées.For this purpose, the present invention relates to a wheelchair of the type defined above and comprising the improvements according to the appended claims.

Brève description des dessinsBrief description of the drawings

On décrit ci-après, à titre d'exemple, une première forme d'exécution du fauteuil selon l'invention, représentée au dessin annexé avec ses détails d'exécution, ainsi qu'une seconde forme d'exécution représentée de façon plus schématique.By way of example, a first embodiment of the chair according to the invention, represented in the appended drawing with its execution details, is described below, as well as a second embodiment shown in a more schematic manner. .

Au dessin :

  • la fig. 1 est une vue en perspective schématique de la première forme d'exécution du fauteuil selon l'invention,
  • la fig. 2 est une vue en élévation latérale partielle du fauteuil montrant la partie destinée à assurer le confort des jambes de l'occupant,
  • les figs 3, 4, 5 et 6 sont des vues semblables à la fig. 2, illustrant une opération d'escamotage de la palette repose-pied,
  • la fig. 7 est une vue en élévation latérale d'une seconde forme d'exécution du fauteuil de l'invention,
  • la fig. 8 est une vue en perspective sous un angle oblique de la partie assurant le confort des jambes du fauteuil de la fig. 7, et
  • la fig. 9 est une représentation schématique illustrant l'opération d'escamotage dans le cas de l'exécution selon les figs 7 et 8.
Drawing:
  • the Fig. 1 is a schematic perspective view of the first embodiment of the chair according to the invention,
  • the Fig. 2 is a partial side elevation view of the chair showing the part intended to ensure the comfort of the legs of the occupant,
  • the figs 3, 4, 5 and 6 are views similar to the Fig. 2 , illustrating a retraction operation of the footrest pallet,
  • the Fig. 7 is a side elevational view of a second embodiment of the chair of the invention,
  • the Fig. 8 is a perspective view at an oblique angle of the part ensuring the comfort of the legs of the armchair of the Fig. 7 , and
  • the Fig. 9 is a schematic representation illustrating the retraction operation in the case of execution according to the figs 7 and 8 .

Description détaillée des modes d'exécution de l'inventionDetailed description of the embodiments of the invention

Le fauteuil représenté à la fig. 1 comprend une coquille 1 qui, dans une production standardisée, sera rigide et légère. La coquille 1 repose sur un châssis 2 pourvu d'un système de roulement 3 avec des roues orientables 4. Pour assurer le confort des jambes de l'occupant, le fauteuil décrit comprend une palette repose-pied 5 et un appui de mollet 6 dont les dispositions et formes sont clairement visibles à la fig. 1 et aux figs suivantes.The armchair represented at Fig. 1 includes a shell 1 which, in a standardized production, will be rigid and light. The shell 1 rests on a frame 2 provided with a rolling system 3 with steerable wheels 4. To ensure the comfort of the legs of the occupant, the chair described comprises a footrest pad 5 and a calf support 6 of which the provisions and forms are clearly visible to the Fig. 1 and in the following figs.

L'appui de mollet 6 est rigidement fixé à une barre d'armature 7 coudée et solidaire à son extrémité supérieure d'un support transversal 8 qui porte à son extrémité un secteur denté 9. Cet assemblage est destiné à coopérer avec des éléments du châssis comprenant un axe de support et un pignon (non représentés) de manière que l'armature 7 puisse être fixée selon les besoins dans la position représentée à la fig. 2 ou dans une autre position plus ou moins oblique.The calf support 6 is rigidly fixed to a reinforcing bar 7 bent and secured at its upper end to a transverse support 8 which carries at its end a toothed sector 9. This assembly is intended to cooperate with elements of the frame comprising a support shaft and a pinion (not shown) so that the frame 7 can be fixed as required in the position shown in FIG. Fig. 2 or in another position more or less oblique.

L'appui de mollet 6 est rigidement fixé à l'armature 7.The calf support 6 is rigidly fixed to the frame 7.

La palette repose-pied 5 est reliée à l'armature 7 par un montant désigné de façon générale par 10, conçu de manière à pouvoir remplir différentes fonctions. La partie supérieure du montant 10 est un profilé en U 11 suspendu par un axe 12 à l'armature 7. La palette repose-pied 5 est montée en articulation autour d'un axe 16 disposé à l'extrémité inférieure d'un élément tubulaire 14 de section carrée monté en coulissement à l'intérieur d'un élément tubulaire 13, également de section carrée et maintenu à hauteur fixe dans le profilé 11. Les dimensions intérieures de l'élément 13 sont sensiblement supérieures aux dimensions extérieures de l'élément 14 de façon à permettre ledit coulissement. Un alésage 13a est prévu dans un coin de l'élément tubulaire 13 pour recevoir un système de vis (non représenté à la figure 2, mais visible 26 à la figure 9) permettant le blocage de la fonction télescope du couple d'éléments 13, 14. Cet arrangement permet de régler la position de la palette 5 dans une certaine marge de hauteur. Grâce à un entourage de garde 19 solidaire de la palette 5, celle-ci pivote librement sur l'axe 16 et bute en position perpendiculaire au montant 10 contre la partie arrière de l'élément tubulaire 14, ce dernier présentant à son extrémité inférieure arrière un dégagement 15 destiné à permettre le pivotement de la palette 5.The footrest pallet 5 is connected to the frame 7 by an amount generally designated by 10, designed so as to fulfill different functions. The upper part of the upright 10 is a suspended U-section 11 by an axis 12 to the frame 7. The footrest pallet 5 is hinged about an axis 16 disposed at the lower end of a tubular element 14 of square section slidably mounted within a tubular element 13, also of square section and held fixed height in the profile 11. The inner dimensions of the element 13 are substantially greater than the outer dimensions of the element 14 so as to allow said sliding. A bore 13a is provided in a corner of the tubular element 13 to receive a screw system (not shown in FIG. figure 2 but visible 26 at the figure 9 ) allowing the locking of the telescope function of the pair of elements 13, 14. This arrangement makes it possible to adjust the position of the pallet 5 within a certain height margin. Thanks to a guard surround 19 integral with the pallet 5, it pivots freely on the axis 16 and abuts in a position perpendicular to the upright 10 against the rear part of the tubular element 14, the latter having at its rear lower end a clearance 15 intended to allow the pivoting of the pallet 5.

En outre, l'orientation de l'assemblage : « montant 10 - palette 5 » dans le plan vertical peut être bloquée ou libérée très simplement grâce à un mécanisme de verrouillage placé entre l'armature 7 et le profilé en U 11.In addition, the orientation of the assembly: "upright 10 - pallet 5" in the vertical plane can be blocked or released very simply thanks to a locking mechanism placed between the frame 7 and the U-shaped section 11.

Ce mécanisme comprend d'abord une butée 17 fixée à l'armature 7. Le cas échéant, la butée pourrait être ajustable sur cette armature mais susceptible d'être bloquée dans la position désirée de cas en cas. Le mécanisme comprend en outre un verrou 18 sous forme d'une barre rectiligne montée à pivotement dans le profilé 11 à la hauteur voulue pour coopérer avec la butée 17. Enfin, une lame élastique 18a assure la position de blocage du verrou 18.This mechanism comprises first a stop 17 fixed to the frame 7. If necessary, the stop may be adjustable on this frame but may be blocked in the desired position of case in case. The mechanism further comprises a latch 18 in the form of a straight bar pivotally mounted in the profile 11 at the desired height to cooperate with the stop 17. Finally, an elastic blade 18a provides the locking position of the latch 18.

Les figs 3 à 6 illustrent la série des opérations d'escamotage de la palette 5 sur le fauteuil tel que décrit. La fig. 3 est la position de départ déjà représentée en fig. 2. On commence par débloquer le verrou 18 afin que, par un appui sur la palette 5 vers l'arrière, le montant 10 étant librement suspendu autour de l'axe 12, sa position relative corresponde à ce que montre la fig. 4. On notera que cette opération implique un espace libre suffisant dans le châssis et le train de roulement pour permettre le basculement vers l'arrière selon la fig. 4. Comme le montre la fig. 5, dans la position oblique correspondant à la fig. 4, la palette 5 est relevée par pivotement autour de l'axe 16, ce qui est une opération très simple à effectuer à la main ou même au pied par la personne guidant le fauteuil. Enfin, à la fig. 6, sous l'effet de son poids, l'ensemble « montant-palette repose-pied » prend la position verticale, le repose-pied étant escamoté, le verrou 18 reprenant sa position de blocage sous l'effet de la lame élastique 18a. Les opérations inverses sont évidentes pour rétablir la situation initiale.The figs 3 to 6 illustrate the series of retraction operations of the pallet 5 on the chair as described. The Fig. 3 is the starting position already represented in Fig. 2 . It begins by unlocking the latch 18 so that, by pressing the pallet 5 rearwardly, the upright 10 is freely suspended around the axis 12, its relative position corresponds to what shows the Fig. 4 . It will be noted that this operation implies a sufficient free space in the chassis and the undercarriage to allow the tilting backwards according to the Fig. 4 . As shown in Fig. 5 , in the oblique position corresponding to the Fig. 4 , the pallet 5 is raised by pivoting about the axis 16, which is a very simple operation to be performed by hand or even by the foot by the person guiding the chair. Finally, at the Fig. 6 under the effect of its weight, the assembly "upright pallet footrest" takes the vertical position, the footrest being retracted, the latch 18 resuming its locking position under the effect of the elastic blade 18a. Reverse operations are obvious to restore the initial situation.

La fig. 7 montre, en élévation latérale et de profil, un fauteuil dont la construction est légèrement différente de celle de la fig. 1, et dans lequel les opérations nécessaires pour escamoter la palette repose-pied sont différentes. La coquille 1, le châssis 2 et le train de roulement 3 avec les roues 4 diffèrent peu de ce qui a déjà été décrit et n'interviennent pas dans le fonctionnement de l'invention.The Fig. 7 shows, in side elevation and profile, an armchair whose construction is slightly different from that of the Fig. 1 , and in which the operations necessary to retract the footrest pallet are different. The shell 1, the chassis 2 and the undercarriage 3 with the wheels 4 differ little from what has already been described and do not interfere with the operation of the invention.

Dans la forme d'exécution représentée aux figs 7 à 9, les organes prévus pour le confort des jambes comportent une palette repose-pied 20 articulée à la base d'un montant 21, et un appui de mollet 22. Contrairement à la disposition des figs 1 à 6, le montant 21 est fixe par rapport au châssis et l'appui de mollet est articulé à sa partie supérieure sur un élément 24 du châssis autour d'un axe 23 perpendiculaire au plan de la fig. 7. L'articulation de la palette repose-pied 20 sur le montant fixe 21 est prévue autour d'un axe 25 comme pour l'axe 16 de la fig. 2. Les opérations nécessaires pour escamoter le repose-pied 20 ressortent à l'évidence de la fig. 9 : on commence par relever l'appui de mollet 22 par pivotement autour de l'axe 23 (1), puis on relève la palette repose-pied 20 dans la position verticale visible à la fig. 9 (2) et l'on rabat ensuite l'appui de mollet 22 vers le bas (3). La palette repose-pied est alors masquée derrière l'appui de mollet, comme à la fig. 6. On peut également noter sur la figure 9 la présence d'une vis 26 destinée au blocage de la fonction télescope pour l'ajustement en hauteur de la position de la palette 20.In the form of execution shown in figs 7 to 9 , the members provided for the comfort of the legs comprise a footrest pallet 20 hinged to the base of an amount 21, and a calf support 22. Contrary to the provision of figs 1 to 6 , the upright 21 is fixed relative to the frame and the calf support is hinged at its upper part on an element 24 of the frame about an axis 23 perpendicular to the plane of the Fig. 7 . The articulation of the footrest pallet 20 on the fixed upright 21 is provided around an axis 25 as for the axis 16 of the Fig. 2 . The operations necessary to retract the footrest 20 are evident from the Fig. 9 : the calf support 22 is first raised by pivoting about the axis 23 (1), then the footrest pallet 20 is raised in the vertical position visible at the Fig. 9 (2) and the calf support 22 is then folded downwards (3). The footrest pallet is then hidden behind the calf support, as in the Fig. 6 . We can also note on the figure 9 the presence of a screw 26 for blocking the telescope function for height adjustment of the position of the pallet 20.

Selon des variantes non représentées des formes d'exécution décrites, l'armature centrale 7 peut être remplacée par deux armatures latérales.According to variants not shown embodiments described, the central frame 7 can be replaced by two side frames.

La présente invention ne se limite bien entendu pas aux seuls modes d'exécution décrits ci-dessus, tant il est vrai que des dispositifs d'escamotage de la palette semblables à ceux décrits ci-dessus peuvent bien entendu être utilisés sur tout type de fauteuils roulants, qu'il s'agisse de fauteuils du type coquille ou d'autres fauteuils roulants conventionnels, à condition que le fauteuil puisse être muni d'un élément d'armature semblable à l'armature 7 des modes d'exécution décrits.The present invention is not limited, of course, not only to the embodiments described above, as it is true that pallet retraction devices similar to those described above can of course be used on any type of armchair. wheelchairs, whether of shell-type chairs or other conventional wheelchairs, provided that the chair can be provided with a reinforcement element similar to the frame 7 of the described embodiments.

Claims (8)

Fauteuil roulant comportant un châssis (2), une palette repose-pied (5; 20) placée à l'extrémité inférieure d'un montant de palette (10; 21), et un appui de mollet (6; 22) s'étendant en position d'emploi devant le montant de palette, caractérisé en ce qu'un mécanisme à articulation (12, 16; 23, 25) permettant de basculer la palette (5; 20) de sa position d'emploi dans une position stable de retrait est disposé entre la palette repose-pied (5; 20) et le châssis (2).A wheelchair comprising a frame (2), a footplate (5; 20) located at the lower end of a pallet post (10; 21), and a calf support (6; 22) extending in the position of use in front of the pallet post, characterized in that a hinge mechanism (12, 16; 23, 25) for tilting the pallet (5; 20) from its position of use to a stable position of withdrawal is arranged between the footrest pallet (5; 20) and the frame (2). Fauteuil roulant selon la revendication 1, caractérisé en ce que le mécanisme à articulation (12,16) est associé au montant de palette (10) et comprend à l'extrémité inférieure de ce dernier un axe d'articulation horizontal (16) reliant la palette au montant et permettant de basculer la palette dans la dite position stable de retrait.Wheelchair according to claim 1, characterized in that the hinge mechanism (12, 16) is associated with the pallet post (10) and comprises at the lower end of the latter a horizontal hinge pin (16) connecting the pallet to the amount and to tilt the pallet in the said stable position of withdrawal. Fauteuil roulant selon la revendication 2, caractérisé en ce que l'appui de mollet (6) s'étendant devant le montant de palette (10 ) en position d'emploi de cette dernière est une pièce fixe (6), et en ce que le montant (10) est relié au châssis (2) par un axe d'articulation supérieur (12) parallèle à l'axe de basculement (16) du repose-pied, et en ce que le châssis (2) est aménagé avec, derrière le mécanisme à articulation, un espace suffisant pour que le dit montant de palette (10) puisse pivoter vers l'arrière, de manière à permettre le basculement de la palette par rapport au montant dans la dite position de retrait.Wheelchair according to claim 2, characterized in that the calf support (6) extending in front of the pallet post (10) in the position of use of the latter is a fixed part (6), and in that the upright (10) is connected to the frame (2) by an upper hinge axis (12) parallel to the tilt axis (16) of the footrest, and in that the frame (2) is arranged with behind the hinge mechanism, sufficient space for said pallet post (10) to pivot backwards, so as to allow tilting of the pallet relative to the amount in said withdrawal position. Fauteuil roulant selon la revendication 3, caractérisé en ce que le mécanisme à articulation est équipé de premiers (15, 19) et de seconds (17, 18) moyens de butée agencés premièrement sur l'articulation entre la palette (5) et le montant (10) pour retenir à volonté les positions horizontale ou verticale de la palette par rapport au montant, et secondement sur l'articulation supérieure (12) du montant pour verrouiller le montant dans sa position de rabattement vertical par rapport au châssis.Wheelchair according to claim 3, characterized in that the hinge mechanism is equipped with first (15, 19) and second (17, 18) stop means arranged firstly on the hinge between the pallet (5) and the upright (10) for retaining at will the horizontal or vertical position of the pallet relative to the amount, and secondly on the upper articulation (12) of the amount to lock the amount in its vertical folding position relative to the frame. Fauteuil roulant selon la revendication 4, caractérisé en ce que les seconds moyens de butée (17, 18) comportent un verrou articulé (18), logé dans un élément supérieur (11) du montant, sollicité par un ressort (18a) et coopérant avec une butée fixe (17) du châssis.Wheelchair according to claim 4, characterized in that the second abutment means (17, 18) comprise an articulated latch (18), housed in an upper element (11) of the upright, biased by a spring (18a) and co-operating with a fixed stop (17) of the frame. Fauteuil roulant selon la revendication 2, caractérisé en ce que le mécanisme à articulation (23, 25) comporte une liaison à articulation autour d'un axe horizontal d'articulation supérieur (23) entre l'appui de mollet (22) et le châssis (24), de manière qu'à partir de la position d'emploi normale, le montant (21) de la palette étant fixe par rapport au châssis (24), l'appui de mollet (22) puis la palette repose-pied (20) puissent être basculés successivement vers le haut autour de leurs axes d'articulation respectifs (23, 25), l'appui de mollet (22) étant ensuite rabattu vers le bas en bloquant la palette repose-pied (20) dans sa position verticale de retrait.Wheelchair according to claim 2, characterized in that the hinge mechanism (23, 25) comprises a hinge connection about a horizontal axis of upper hinge (23) between the calf support (22) and the frame (24), so that from the normal use position, the amount (21) of the pallet being fixed relative to the frame (24), the calf support (22) and the footrest pallet (20) can be tilted successively upwardly about their respective hinge axes (23, 25), the calf support (22) then being folded down by locking the footplate (20) in its vertical position of withdrawal. Fauteuil roulant selon la revendication 1, caractérisé en ce que le montant de palette (10) est équipé de moyens extensibles (13, 14) permettant de régler en hauteur la position d'emploi de la palette repose-pied (5).Wheelchair according to claim 1, characterized in that the pallet post (10) is equipped with extensible means (13, 14) for adjusting in height the position of use of the footrest pallet (5). Fauteuil roulant selon l'une des revendications précédentes, caractérisé en ce qu'il s'agit d'un fauteuil coquille.Wheelchair according to one of the preceding claims, characterized in that it is a shell chair.
EP08167365A 2008-10-23 2008-10-23 Wheelchair Not-in-force EP2179715B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08167365A EP2179715B1 (en) 2008-10-23 2008-10-23 Wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08167365A EP2179715B1 (en) 2008-10-23 2008-10-23 Wheelchair

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EP2179715A1 true EP2179715A1 (en) 2010-04-28
EP2179715B1 EP2179715B1 (en) 2012-08-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013149677A1 (en) 2012-04-05 2013-10-10 4Power Sprl Foot-rest for a wheelchair

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860285A (en) * 1973-01-29 1975-01-14 Gendron Diemer Inc Combined wheelchair, tray and foot rest
NL7901599A (en) 1979-02-28 1980-09-01 Herman Maurits Hoogstraat Motorised invalid wheel chair with adaptable seating section - has telescopic and hinged members linking frame to chassis and heating system
US4538857A (en) * 1982-05-04 1985-09-03 Permobil Ab Foot rest arrangement for wheelchairs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860285A (en) * 1973-01-29 1975-01-14 Gendron Diemer Inc Combined wheelchair, tray and foot rest
NL7901599A (en) 1979-02-28 1980-09-01 Herman Maurits Hoogstraat Motorised invalid wheel chair with adaptable seating section - has telescopic and hinged members linking frame to chassis and heating system
US4538857A (en) * 1982-05-04 1985-09-03 Permobil Ab Foot rest arrangement for wheelchairs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013149677A1 (en) 2012-04-05 2013-10-10 4Power Sprl Foot-rest for a wheelchair

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