EP3120818A1 - Assembly or kit for a wheelchair for a person with motor disabilities - Google Patents

Assembly or kit for a wheelchair for a person with motor disabilities Download PDF

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Publication number
EP3120818A1
EP3120818A1 EP16180396.0A EP16180396A EP3120818A1 EP 3120818 A1 EP3120818 A1 EP 3120818A1 EP 16180396 A EP16180396 A EP 16180396A EP 3120818 A1 EP3120818 A1 EP 3120818A1
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EP
European Patent Office
Prior art keywords
guide
wheel
slider
assembly according
immobilizing
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
EP16180396.0A
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German (de)
French (fr)
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EP3120818B1 (en
Inventor
Claude Bertrand
Pierre PEILLEX
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Individual
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Individual
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Publication of EP3120818A1 publication Critical patent/EP3120818A1/en
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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
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • 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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
    • A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
    • 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
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • 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
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1013—Wheelchairs having brakes engaging the wheel
    • A61G5/1018—Wheelchairs having brakes engaging the wheel on the running surface
    • 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
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user

Definitions

  • the present invention relates to a wheelchair with manual drive for the disabled, facilitating the lateral transfer of the user to and from the chair, and a set or kit for transforming ordinary wheelchairs.
  • Hand-operated wheelchairs have large diameter rear wheels to allow manual training by the circular handrails provided by the wheels. These wheels form an obstacle to the lateral transfer of the disabled person between the seat of the chair and another adjacent seat, which requires the assistance of an assistant, or causes significant fatigue for those disabled who have the manual force to go through above the obstacle formed by the part facing the wheel.
  • wheel comprising, on each side of the wheelchair, a substantially horizontal guide, a wheel slider having a transverse axis on which is mounted the rear wheel and movable along the guide between an advanced normal rolling position and a retracted position in which the rear wheel no longer overflows on the side of the seat, manually actuable means for immobilizing the slider in said advanced position, and manually actuable means for immobilizing the slider and / or the wheel in said retracted position.
  • the present invention proposes to remedy these drawbacks and to provide a set or kit for wheelchair economic, easy to assemble and easy to use to facilitate lateral transfer of the user.
  • the subject of the invention is an assembly that can be adapted to an ordinary wheelchair, preferably packaged in the form of a kit, and comprising two guides provided with quick fastening means, in particular by clamping, in a substantially horizontal position on each side. of the frame of an armchair, two wheel sliders having a transverse axis on which can be mounted a rear wheel and movable along the guide between an advanced normal rolling position and a retracted position in which the rear wheel no longer overflows the side of the seat, manually actuable means for immobilizing the slider in said advanced position, manually actuable means for immobilizing the slider and / or the wheel in said retracted position, the length of said elongate slider being such that it can, in the rear or rear position, cantilever out of the rear end of a guide which does not exceed, or little, the rear end of the chair, the slide remaining held in the guide by its front part.
  • the assembly may preferably comprise a transverse element provided with fastening means to said two sliders, and also preferably means or pins for actuating the immobilizing means.
  • substantially horizontal means a horizontal direction or slightly inclined.
  • the guide is a little inclined downwards and rearwards, a very small angle, preferably of the order of 1 to 5 °. The disabled user can thus back the rear wheels with minimal effort, and when returning the wheels forward, it can easily move the wheels, despite their initial position back, less suitable for manual training.
  • the means for immobilizing the slider in the advanced position is disposed on the front side of the rear wheel.
  • the wheel slider has an elongate shape, the rear portion of which has the wheel axis of the wheelchair and the anterior portion of which may have the manually actuable means for immobilizing the slider in said forward position, and the manually actuable means of immobilizing the slide and / or the wheel in said retracted position, said slide being guided on or, preferably, in a rail.
  • the guide is formed of a section having a section C, laterally open towards the outside, the anterior portion of the slide then being preferably arranged to be able to receive a wheel brake, disposed laterally to the outside of the guide in the vertical plane of the wheel, and present means for immobilizing the slide, preferably offset upwardly on the guide and capable of cooperating with complementary means, for example in the form of abutment or hole, presented by guide.
  • the assembly advantageously comprises fastening means, for example clamping jaws, for quick mounting on frame members of most existing models of wheelchairs, without modifying the chassis of the chair.
  • the immobilization means in the advanced position preferably comprise a releasable manually releasable means, and a non-latched positional holding means enabling the disabled user to release his hands to drive the wheelchair wheels to the rear position.
  • Said slider immobilizing means may be, for example, a pawl, which can catch on a stop, preferably carried by the front end of the guide, this pawl being manually releasable.
  • this immobilizing means comprises a manually operable sliding rod cooperating with a stop means, preferably a hole presented by the guide.
  • the holding means in the non-latched position may advantageously comprise a transverse element presented by the rod or pawl, and may be manually brought to a holding element, preferably by rotation during the manual release of the rod or ratchet .
  • a frame member or chair frame Preferably or provides, on a frame member or chair frame, means for releasing the detent means, in particular rod or pawl, for example a lug, encountered during movement of the slider near the advanced position, and releasing the rod or pawl, for example by causing a rotation disengaging said transverse element from the holding element, during the return of the wheel slider forward, to avoid the risk of the user moving the chair without locking the slide, and preferably also when moving back the wheel slides.
  • the detent means in particular rod or pawl, for example a lug, encountered during movement of the slider near the advanced position
  • the manually actuable means for immobilizing the slide and / or the wheel in said retracted position comprise the same locking means as the immobilization means in the advanced position, in particular the aforesaid sliding rod, which can snap into place. in a second hole, defining the retracted position of the wheels. Also, preferably, rod release means may be disposed near this second hole.
  • the rear wheel brake may be constituted by a single wheel brake movable with the wheel slider, to immobilize the rear wheel in any position of the wheel slide along the guide.
  • this brake is carried by said second slide, or by the bar or rod connecting the slides.
  • the two wheel sliders of a chair can be interconnected by a transverse member, so that the user can cause wheel rolling and simultaneous movement of the sliders between the advanced and retracted positions.
  • This element may be an axis, preferably non-rotating, connecting the two wheel sliders, and emerging laterally outwardly of each slider to form its axis or pivot on which the wheel is mounted.
  • This element may, alternatively, be formed of a rod, bar or profile attached to the two wheel sliders.
  • this transverse element may have articulations, to fold it, at the same time that the two rear wheels are close to each other when folding the chair.
  • this element may be formed of two or more telescopic parts or otherwise translatable between them, thus forming a variable length element, for example to reduce length depending on the folding of the chair, or for adaptation to chairs of different widths.
  • the guides can be arranged or mounted on either side of the frame or chair frame, externally or internally. In the case of a folding chair, it is preferred that they are arranged externally.
  • a guide 1 formed of a C-shaped open metal profile (see Figure 10 ), presenting, towards the front and towards the rear, two fixing means 2, 3.
  • Figures 7 to 12 that the fastening means 2, 3 comprise a stirrup 4 having a C-section surrounding the guide 1 and open upwards, being able to slide on the guide profile 1, and welded to a vertical plate 5 having four fixed nuts 6.
  • the means 2 also comprises a second vertical plate 7 pierced with four holes at the pitch of the nuts 6, through which are traversed by four butterfly screws 8 that can be screwed into the respective nuts 6, so as to be able to clamp between the plates 5 and 7, a tube or horizontal element 9 of the frame of a wheelchair.
  • the guide 1 can be slid into the two stirrups 4 to adjust the position of the guide 1 on the frame, after which the guide 1 is immobilized in its stirrups by tightening vertical screws 10 passing through the stirrups.
  • the plate 5 of the front fixing means 2 is higher than that of the rear fixing means 3, so that the guide 1 is slightly inclined upwards and forwards.
  • the difference in height of the plates 5 is advantageously from 1 to 4 cm, for a distance of 20 to 40 cm between the fixing means 2, 3.
  • the guide 1 receives two slides, namely a forward slider 11 and a rear slider, called a wheel slider 12, carrying rollers 13 rolling on the bottom of the guide profile 1 Figures 10 to 12 ).
  • the sliders 11, 12 are interconnected by a connecting element 14, for example a bar, rod or profile.
  • this element 14 is a simple flat bar.
  • the wheel slider 12 present, in the transverse direction, a wheel rotation axis 15, of usual shape, on which can be mounted, and maintained, the wheel 16 of the wheelchair with a usual hoop handrail 17.
  • the wheel slider 12 In its normal rolling position, represented on the Figures 1 and 4 , the wheel slider 12 is disposed at the same level and at a short distance from the original wheel axis of the wheelchair (not shown) located on a vertical frame upright connecting the frame members 9 and 30, the axis of which is removed. the wheel 16 to mount it on the axis 15.
  • the wheel slider 12 has on the other side a tube 18 for the transverse connection with the wheel slider on the other side of the chair.
  • the connecting bar 14 carries, at a distance slightly greater than the radius of the wheel 16, a conventional wheelchair brake 19, comprising a pad 20 actuated by a lever 21, to be pushed against the tire wheel.
  • the front end of the connecting element 14 has, at the front slider 11, a pawl 22, extended by an articulated arm on the bar 14 about a horizontal axis 23, and tending to pivot downwards under the yoke. effect of gravity.
  • the pawl 22 is blocked by a stop 24 fixed to the front of the guide 1, which prevents backward movement of the bar and sliders, the further forward movement being prevented by a stop (not shown).
  • the front portion of the pawl is chamfered or bulged to lift upon movement of the slider from back to front over stop 24.
  • a rod release means for example a pin 29, fixed under a horizontal portion 30 of the chair frame and which intercepts the transverse portion of the rod 25 to rotate the bent rod 25 and release it from the plate 28, causing the fall of the pawl 22 downwards, the concomitant descent of the rod 25 allowing it to pass under the lug 29.
  • the bar 14 carries a vertical rod 31 slidable vertically through the bar 14, and having, at its upper part, a transverse portion T, one of the arms 32 has an end, curved upward, and provided with a handle 33.
  • the lower end of the rod 31 gravity enters a hole 34 presented by the front portion of the guide 1, so that the bar 14, with its sliders 11, 12, is immobilized.
  • the handle 33 By lifting the handle 33, the handicapped up the rod 31 out of the hole. 34.
  • a holding means in this position can advantageously be provided, for example, a vertical plate 35 on the upper edge of which the other arm 36 of the transverse portion of the stem rests, when the latter is raised and turned ( Figures 15 and 16 ).
  • a vertical plate 35 on the upper edge of which the other arm 36 of the transverse portion of the stem rests, when the latter is raised and turned ( Figures 15 and 16 ).
  • a vertical pin 37 looking downwards and intercepting the arm 36 (FIG. Figures 17, 18 ) then rotating the arm 36 ( Figures 19, 20 ), when the bar 14 moves backwards, causing the lowering of the rod 31, the lower end of which slides on the upper part of the guide 1, the stem arm 36 thus being lowered to escape the pin 37 ( Figure 21 ).
  • the lug 37 again intercepts the rod arm 36 and causes the rod 31 to descend, continued movement forward terminating when the rod 31, which slides on the rail 1, is brought in front of the hole 34, engages by gravity, and blocks the bar and its sliders.
  • the end of the rod 34 may advantageously be tapered to facilitate entry into the hole and the descent of the rod by gravity.
  • a quick link element 40 having, at one of its ends, a fixed rod41, and comprising, towards the other end, a tubular portion 42 in which a rod 43 can slide, between a position substantially withdrawn in the element 40, and a position in which it emerges, over a large part of its length, from the element 40.
  • a locking means 44 for example a pawl or a clamping screw, makes it possible to immobilize the rod 43 in its advanced position.
  • Figures 31 to 33 represent a particularly preferred embodiment of a guide with its slide according to the invention.
  • the guide 45 is formed of a metal profile C, with a web 46 arranged vertically and being externally fixed on the lateral edge of the chair, for example by clamping jaws 47, 48, on wheelchair frame elements, for example amounts 49.
  • abutment means (not shown) can be provided to prevent movement beyond these two positions.
  • the slide At its anterior part, the slide has a part 51 emerging outside the lateral opening of the guide 45, and provided, at its upper part, with a horizontal plate 52 situated above the upper wing 53. of the guide.
  • On this plate 52 is mounted a slider immobilization device, schematically represented by a handle 54, and identical to the immobilizer shown in FIGS. Figures 13 and 14 , with vertically sliding rod, rod arm, holding plate.
  • the upper wing 53 has a front hole 55 and a rear hole 56, in which can be snapped by gravity, the vertical rod, and playing the same role as the holes 34 and 38.
  • a wheel brake 19 (not shown) may be mounted on the outer side face of the workpiece 51.
  • the rear end of the slide has a hole 57 in which can be mounted a wheel axle 58, receiving a large wheel 16 chair, the outer side of the slide.
  • a wheel axle 58 receiving a large wheel 16 chair, the outer side of the slide.
  • the wheel When the wheel is mounted, its tire is just opposite the wheel brake pad mounted on the part 51.
  • the rear end of the slider emerges a little at the rear at the axis hole 57.
  • a folding wheelchair with its two wheels 16 provided with their handrails 17, the frame or frame of this chair having, in the usual way, two tubes or upper rails 30 supporting a seat seat 59 and two tubes or lower rails 9, joined by articulated frame members 60 to allow the folding of the chair.
  • the upper parts of the wheels 16, with the handrails 17, are arranged on either side of the seat 59 and extend upwards, to allow the disabled to manually operate.
  • the wheels are erased towards the rear, and do not encroach more on the lateral sides of the seat, the disabled then having no obstacle to slide laterally from his seat 45 to a chair or any device to receive it.

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  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
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Abstract

Ensemble ou kit adaptable à un fauteuil roulant ordinaire, comprenant deux guides (45) munis de moyens de fixation rapide en position sensiblement horizontale de chaque côté du cadre d'un fauteuil, deux coulisseaux de roue (50) présentant un axe transversal (58) sur lequel peut être montée une roue arrière et déplaçables le long du guide (45) entre une position avancée normale de roulement et une position reculée dans laquelle la roue arrière ne déborde plus sur le côté du siège, des moyens d'immobilisation du coulisseau (50) dans ladite position avancée (54), et dans ladite position reculée, la longueur dudit coulisseau allongé (50) étant telle qu'il peut, en position arrière ou reculée, sortir en porte-à-faux de l'extrémité arrière du guide (45) qui ne dépasse pas, ou peu, l'extrémité arrière du fauteuil, le coulisseau (50) restant maintenu dans le guide par sa partie antérieure.Kit or kit adaptable to an ordinary wheelchair, comprising two guides (45) provided with fast fixing means in substantially horizontal position on each side of the frame of a chair, two wheel sliders (50) having a transverse axis (58) on which can be mounted a rear wheel and movable along the guide (45) between an advanced normal rolling position and a retracted position in which the rear wheel no longer overflows on the side of the seat, means for immobilizing the slide ( 50) in said extended position (54), and in said retracted position, the length of said elongated slider (50) being such that it can, in the rearward or backward position, cantilever out of the rear end of the guide (45) which does not exceed, or little, the rear end of the chair, the slide (50) remaining held in the guide by its front part.

Description

La présente invention a trait à un fauteuil roulant à entrainement manuel pour handicapé moteur, facilitant le transfert latéral de l'utilisateur vers et depuis le fauteuil, ainsi qu'à un ensemble ou kit permettant de transformer les fauteuils roulants ordinaires.The present invention relates to a wheelchair with manual drive for the disabled, facilitating the lateral transfer of the user to and from the chair, and a set or kit for transforming ordinary wheelchairs.

Les fauteuils roulants à entrainement manuel présentent des roues arrière de grand diamètre, afin de permettre l'entrainement manuel par les mains courantes circulaires présentées par les roues. Ces roues forment un obstacle au transfert latéral du handicapé entre le siège du fauteuil et un autre siège adjacent, ce qui nécessite l'aide d'un assistant, ou entraine une fatigue importante pour ceux des handicapés qui ont la force manuelle permettant de passer par-dessus l'obstacle formé par la partie en regard de la roue.Hand-operated wheelchairs have large diameter rear wheels to allow manual training by the circular handrails provided by the wheels. These wheels form an obstacle to the lateral transfer of the disabled person between the seat of the chair and another adjacent seat, which requires the assistance of an assistant, or causes significant fatigue for those disabled who have the manual force to go through above the obstacle formed by the part facing the wheel.

On a déjà prévu des dispositifs de levage ou de translation vers l'avant, mais ces dispositifs sont compliqués, et nécessitent de concevoir des fauteuils roulants spéciaux.Lifting or forward translation devices have already been provided, but these devices are complicated and require the design of special wheelchairs.

On a également déjà prévu de réaliser un fauteuil roulant à entrainement manuel pour handicapé moteur, possédant un cadre ou châssis, un siège, des roues ou roulettes antérieures et des roues arrière de grand diamètre à entrainement manuel, susceptibles d'être immobilisées par des freins de roue, comportant, de chaque côté du fauteuil, un guide sensiblement horizontal, un coulisseau de roue présentant un axe transversal sur lequel est montée la roue arrière et déplaçable le long du guide entre une position avancée normale de roulement et une position reculée dans laquelle la roue arrière ne déborde plus sur le côté du siège, des moyens manuellement actionnables d'immobilisation du coulisseau dans ladite position avancée, et des moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée.It has also been planned to make a wheelchair with manual training for the disabled, having a frame or chassis, a seat, wheels or casters anterior and large-diameter rear wheels with manual drive, capable of being immobilized by brakes. wheel, comprising, on each side of the wheelchair, a substantially horizontal guide, a wheel slider having a transverse axis on which is mounted the rear wheel and movable along the guide between an advanced normal rolling position and a retracted position in which the rear wheel no longer overflows on the side of the seat, manually actuable means for immobilizing the slider in said advanced position, and manually actuable means for immobilizing the slider and / or the wheel in said retracted position.

De tels fauteuil sont décrits dans les publications US 2010/133779 , US 2004/080137 , FR 2995209 , DE 10 2008 013453 , JP 2011 104317 , ET JP 2009 178492 .Ces fauteuils nécessitent des châssis adaptés, compliqués et encombrants, notamment dans le sens de la longueur, avec un coût élevé.Such chair are described in the publications US 2010/133779 , US 2004/080137 , FR 2995209 , DE 10 2008 013453 , JP 2011 104317 , AND JP 2009 178492 These chairs require adapted, complicated and bulky frames, especially in the direction of the length, with a high cost.

La présente invention se propose de remédier à ces inconvénients et de fournir un ensemble ou kit pour fauteuil roulant économique, simple à monter et simple à utiliser pour faciliter le transfert latéral de l'utilisateur.The present invention proposes to remedy these drawbacks and to provide a set or kit for wheelchair economic, easy to assemble and easy to use to facilitate lateral transfer of the user.

L'invention a pour objet un ensemble adaptable à un fauteuil roulant ordinaire, de préférence conditionné sous forme de kit, et comprenant deux guides muni de moyens de fixation rapide, notamment par serrage, en position sensiblement horizontale de chaque côté du cadre d'un fauteuil, deux coulisseaux de roue présentant un axe transversal sur lequel peut être montée une roue arrière et déplaçables le long du guide entre une position avancée normale de roulement et une position reculée dans laquelle la roue arrière ne déborde plus sur le côté du siège, des moyens manuellement actionnables d'immobilisation du coulisseau dans ladite position avancée, des moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée, la longueur dudit coulisseau allongé étant telle qu'il peut, en position arrière ou reculée, sortir en porte-à-faux de l'extrémité arrière d'un guide qui ne dépasse pas, ou peu, l'extrémité arrière du fauteuil, le coulisseau restant maintenu dans le guide par sa partie antérieure.The subject of the invention is an assembly that can be adapted to an ordinary wheelchair, preferably packaged in the form of a kit, and comprising two guides provided with quick fastening means, in particular by clamping, in a substantially horizontal position on each side. of the frame of an armchair, two wheel sliders having a transverse axis on which can be mounted a rear wheel and movable along the guide between an advanced normal rolling position and a retracted position in which the rear wheel no longer overflows the side of the seat, manually actuable means for immobilizing the slider in said advanced position, manually actuable means for immobilizing the slider and / or the wheel in said retracted position, the length of said elongate slider being such that it can, in the rear or rear position, cantilever out of the rear end of a guide which does not exceed, or little, the rear end of the chair, the slide remaining held in the guide by its front part.

L'ensemble peut, de préférence, comporter un élément transversal muni de moyens de fixation auxdits deux coulisseaux, et également de préférence, de moyens ou ergots d'actionnement des moyens d'immobilisation.The assembly may preferably comprise a transverse element provided with fastening means to said two sliders, and also preferably means or pins for actuating the immobilizing means.

Par sensiblement horizontal on entend une direction horizontale ou peu inclinée. De façon préférée, le guide est un peu incliné vers le bas et vers l'arrière, d'un angle très faible, de préférence de l'ordre de 1 à 5°. L'utilisateur handicapé peut ainsi reculer les roues arrière avec un effort minime, et, lors du retour des roues vers l'avant, il peut très facilement déplacer les roues, malgré leur position initiale reculée, moins adaptée à l'entrainement manuel.By substantially horizontal means a horizontal direction or slightly inclined. Preferably, the guide is a little inclined downwards and rearwards, a very small angle, preferably of the order of 1 to 5 °. The disabled user can thus back the rear wheels with minimal effort, and when returning the wheels forward, it can easily move the wheels, despite their initial position back, less suitable for manual training.

De préférence le moyen d'immobilisation du coulisseau en position avancée est disposé du côté antérieur de la roue arrière.Preferably the means for immobilizing the slider in the advanced position is disposed on the front side of the rear wheel.

Dans une forme de réalisation préférée, le coulisseau de roue présente une forme allongée, dont la partie postérieure présente l'axe de roue du fauteuil et dont la partie antérieure peut présenter les moyens manuellement actionnables d'immobilisation du coulisseau dans ladite position avancée, et les moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée, ledit coulisseau étant guidé sur ou, de préférence, dans un rail.In a preferred embodiment, the wheel slider has an elongate shape, the rear portion of which has the wheel axis of the wheelchair and the anterior portion of which may have the manually actuable means for immobilizing the slider in said forward position, and the manually actuable means of immobilizing the slide and / or the wheel in said retracted position, said slide being guided on or, preferably, in a rail.

De préférence, le guide est formé d'un profilé présentant une section en C, latéralement ouverte vers l'extérieur, la partie antérieure du coulisseau étant alors, de préférence, agencée pour pouvoir recevoir un frein de roue, disposé latéralement à l'extérieur du guide dans le plan vertical de la roue, et présenter des moyens d'immobilisation du coulisseau, de préférence déportés vers le haut sur le guide et susceptible de coopérer avec des moyens complémentaires, par exemple sous forme de butée ou de trou, présentés par le guide.Preferably, the guide is formed of a section having a section C, laterally open towards the outside, the anterior portion of the slide then being preferably arranged to be able to receive a wheel brake, disposed laterally to the outside of the guide in the vertical plane of the wheel, and present means for immobilizing the slide, preferably offset upwardly on the guide and capable of cooperating with complementary means, for example in the form of abutment or hole, presented by guide.

L'ensemble comporte avantageusement des moyens de fixation, par exemple mâchoires de serrage, permettant le montage rapide sur des éléments de châssis de la plupart des modèles existants de fauteuils roulants, sans modification du châssis du fauteuil.The assembly advantageously comprises fastening means, for example clamping jaws, for quick mounting on frame members of most existing models of wheelchairs, without modifying the chassis of the chair.

Les moyens d'immobilisation en position avancée comportent, de préférence, un moyen d'encliquetage manuellement libérable, et un moyen de maintien en position non encliquetée permettant à l'utilisateur handicapé de libérer ses mains pour entrainer les roues du fauteuil vers la position arrière.The immobilization means in the advanced position preferably comprise a releasable manually releasable means, and a non-latched positional holding means enabling the disabled user to release his hands to drive the wheelchair wheels to the rear position. .

Ledit moyen d'immobilisation de coulisseau peut être, par exemple, un cliquet, pouvant s'accrocher sur un arrêt, de préférence porté par l'extrémité antérieure du guide, ce cliquet étant manuellement libérable.Said slider immobilizing means may be, for example, a pawl, which can catch on a stop, preferably carried by the front end of the guide, this pawl being manually releasable.

Cependant, de préférence, ce moyen d'immobilisation comporte une tige coulissante manuellement actionnable, coopérant avec un moyen d'arrêt, de préférence un trou présenté par le guide.However, preferably, this immobilizing means comprises a manually operable sliding rod cooperating with a stop means, preferably a hole presented by the guide.

Le moyen de maintien en position non encliquetée peut avantageusement comporter un élément transversal présenté par la tige ou le cliquet, et susceptible d'être manuellement amené sur un élément de maintien, de préférence par rotation lors de la libération manuelle de la tige ou du cliquet.The holding means in the non-latched position may advantageously comprise a transverse element presented by the rod or pawl, and may be manually brought to a holding element, preferably by rotation during the manual release of the rod or ratchet .

De préférence ou prévoit, sur un élément de cadre ou châssis de fauteuil, un moyen de libération du moyen d'encliquetage, notamment tige ou cliquet, par exemple un ergot, rencontré lors du déplacement du coulisseau à proximité de la position avancée, et libérant la tige ou le cliquet, par exemple en provoquant une rotation dégageant ledit élément transversal d'avec l'élément de maintien, lors du retour du coulisseau de roue vers l'avant, pour éviter que l'utilisateur ne risque de déplacer le fauteuil sans blocage du coulisseau, et, de préférence, également lors du mouvement en arrière des coulisseaux de roue.Preferably or provides, on a frame member or chair frame, means for releasing the detent means, in particular rod or pawl, for example a lug, encountered during movement of the slider near the advanced position, and releasing the rod or pawl, for example by causing a rotation disengaging said transverse element from the holding element, during the return of the wheel slider forward, to avoid the risk of the user moving the chair without locking the slide, and preferably also when moving back the wheel slides.

De préférence, les moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée, comprennent les mêmes moyens d'encliquetage que les moyens d'immobilisation en position avancée, notamment la susdite tige coulissante, pouvant s'encliqueter dans un deuxième trou, définissant la position reculée des roues. De préférence, également, un moyen de libération de tige peut être disposé à proximité de ce deuxième trou.Preferably, the manually actuable means for immobilizing the slide and / or the wheel in said retracted position, comprise the same locking means as the immobilization means in the advanced position, in particular the aforesaid sliding rod, which can snap into place. in a second hole, defining the retracted position of the wheels. Also, preferably, rod release means may be disposed near this second hole.

De façon particulièrement avantageuse, le frein de roue arrière peut être constitué par un unique frein de roue déplaçable avec le coulisseau de roue, permettant d'immobiliser la roue arrière en toute position du coulisseau de roue le long du guide. De préférence, ce frein est porté par ledit deuxième coulisseau, ou par la barre ou tige reliant les coulisseaux.Particularly advantageously, the rear wheel brake may be constituted by a single wheel brake movable with the wheel slider, to immobilize the rear wheel in any position of the wheel slide along the guide. Preferably, this brake is carried by said second slide, or by the bar or rod connecting the slides.

Optionnellement, les deux coulisseaux de roue d'un fauteuil peuvent être reliés entre eux par un élément transversal, de sorte que l'utilisateur puisse provoquer le roulement des roues et le déplacement simultané des coulisseaux entre les positions avancée et reculée.Optionally, the two wheel sliders of a chair can be interconnected by a transverse member, so that the user can cause wheel rolling and simultaneous movement of the sliders between the advanced and retracted positions.

Cet élément peut être un axe, de préférence non rotatif, reliant les deux coulisseaux de roue, et émergeant latéralement vers l'extérieur de chaque coulisseau pour former son axe ou pivot sur lequel la roue est montée. Cet élément peut, en variante, être formé d'une tige, barre ou profil fixé aux deux coulisseaux de roue.This element may be an axis, preferably non-rotating, connecting the two wheel sliders, and emerging laterally outwardly of each slider to form its axis or pivot on which the wheel is mounted. This element may, alternatively, be formed of a rod, bar or profile attached to the two wheel sliders.

Dans le cas d'un fauteuil roulant repliable, cet élément transversal peut comporter des articulations, permettant de le replier, en même temps que les deux roues arrières sont rapprochées l'une de l'autre lors du pliage du fauteuil.In the case of a folding wheelchair, this transverse element may have articulations, to fold it, at the same time that the two rear wheels are close to each other when folding the chair.

Dans une forme de réalisation particulièrement préférée, cet élément peut être formé de deux ou plusieurs parties télescopiques ou autrement translatables entre elles, formant ainsi un élément de longueur variable, par exemple pour diminuer de longueur en fonction du pliage du fauteuil, ou pour une adaptation à des fauteuils de largeurs différentes.In a particularly preferred embodiment, this element may be formed of two or more telescopic parts or otherwise translatable between them, thus forming a variable length element, for example to reduce length depending on the folding of the chair, or for adaptation to chairs of different widths.

Les guides, avec leurs coulisseaux, peuvent être disposés ou montés de part et d'autre du cadre ou châssis de fauteuil, extérieurement ou intérieurement. Dans le cas d'un fauteuil repliable, on préfère qu'ils soient disposés extérieurement.The guides, with their sliders, can be arranged or mounted on either side of the frame or chair frame, externally or internally. In the case of a folding chair, it is preferred that they are arranged externally.

D'autres avantages et caractéristiques de l'invention apparaîtront à la lecture de la description suivante, faite à titre d'exemple non limitatif, et se référant au dessin annexé, dans lequel :

  • les Figures 1 à 3 représentent des vues schématiques en élévation d'un guide et d'un coulisseau montrant un cliquet de blocage, dans trois positions, destiné à être monté sur un fauteuil roulant usuel, à grandes roues arrières entrainables par le handicapé,
  • les Figures 4 à 6 représentent des vues schématiques en élévation d'un guide et d'un coulisseau montrant le cliquet sur un cadre de fauteuil roulant,
  • la Figure 7 représente une vue schématique en élévation d'un moyen de fixation rapide de guide sur un cadre de fauteuil,
  • les Figure 8 et 9 représentent des vues schématiques de profil desdits moyens de fixation sue les côtés droit, respectivement gauche du fauteuil,
  • les Figures 10 et 11 représentent des vues schématiques de profil montrant le dispositif d'immobilisation du coulisseau
  • la Figure 12 représente une vue schématique de profil du dispositif de fixation rapide utilisable pour fixer un guide sur le châssis d'un fauteuil roulant normal au niveau de la roue
  • la Figure 13 représente une vue schématique en élévation d'une tige de blocage utilisable pour un ensemble selon l'invention,
  • la Figure 14 représente une vue schématique de dessus correspondant à la Figure 13,
  • les Figures 15 et 16 représentent des vues schématiques en élévation, respectivement de dessus lors du soulèvement de tige en début de mouvement en arrière,
  • les Figures 17 et 18 représentent des vues schématiques en élévation, respectivement de dessus lors du maintien de la tige en début de mouvement en arrière,
  • les Figures 19 et 20 représentent des vues schématiques en élévation, respectivement de dessus lors du dégagement de la tige en début de mouvement en arrière,
  • la Figure 21 représente une vue schématique en élévation lors de la poursuite du mouvement en arrière,
  • la Figure 22 représente une vue schématique en élévation lors de l'arrivée vers la position arrière,
  • la Figure 23 représente une vue schématique en élévation immobilisé en position arrière,
  • la Figure 24 représente une vue schématique en élévation lors du maintien de la tige en début de mouvement de retour en avant,
  • les Figure 25 à 27 représentent des vues schématiques en élévation lors des phases d'interception, de rotation et de libération de la tige pendant le mouvement de retour en avant,
  • la Figure 28 représente une vue schématique en élévation d'un élément de liaison transversale de roue monté entre les coulisseaux de roue,
  • les Figures 29 et 30 représentent des vues schématique en élévation de l'élément de liaison en positions raccourcie, respectivement allongée,
  • les Figures 31 à 33 représentent des vues en perspective d'un guide muni d'un coulisseau unique, de grande longueur selon l'invention, et susceptible de se déporter en porte-à-faux en position reculée,
  • les Figures 34 et 35 représentent des vues schématique en élévation, au niveau des roues arrière, d'un fauteuil repliable muni de deux ensembles de guide-coulisseaux, en positions déployée, respectivement repliée.
Other advantages and characteristics of the invention will become apparent on reading the following description, given by way of non-limiting example, and with reference to the appended drawing, in which:
  • the Figures 1 to 3 represent schematic views in elevation of a guide and a slider showing a locking pawl, in three positions, intended to be mounted on a conventional wheelchair, large rear wheels drivable by the disabled,
  • the Figures 4 to 6 are schematic views in elevation of a guide and a slider showing the ratchet on a wheelchair frame,
  • the Figure 7 is a diagrammatic elevational view of a quick guide fixing means on a chair frame,
  • the Figure 8 and 9 show schematic views of the profile of said fastening means on the right and left sides of the chair,
  • the Figures 10 and 11 represent schematic profile views showing the immobilizer device of the slider
  • the Figure 12 represents a schematic view of the profile of the quick-fastening device that can be used to fix a guide on the frame of a normal wheelchair at the level of the wheel
  • the Figure 13 represents a schematic view in elevation of a locking rod that can be used for an assembly according to the invention,
  • the Figure 14 represents a schematic view from above corresponding to the Figure 13 ,
  • the Figures 15 and 16 represent schematic views in elevation, respectively from above during the uprising of the rod at the beginning of the backward movement,
  • the Figures 17 and 18 represent schematic views in elevation, respectively from above during the maintenance of the rod at the beginning of movement backwards,
  • the Figures 19 and 20 represent schematic views in elevation, respectively from above during the release of the rod at the beginning of the backward movement,
  • the Figure 21 represents a schematic view in elevation while continuing the movement backwards,
  • the Figure 22 represents a schematic view in elevation upon arrival to the rear position,
  • the Figure 23 represents a schematic view in elevation immobilized in the rear position,
  • the Figure 24 represents a schematic view in elevation during the maintenance of the rod at the beginning of the return movement forward,
  • the Figure 25 to 27 represent schematic views in elevation during the phases of interception, rotation and release of the rod during the return movement forward,
  • the Figure 28 is a diagrammatic elevational view of a transverse wheel connecting element mounted between the wheel sliders,
  • the Figures 29 and 30 represent schematic views in elevation of the connecting element in shortened or elongated positions,
  • the Figures 31 to 33 represent perspective views of a guide provided with a single slider, of great length according to the invention, and capable of moving cantilevered in the retracted position,
  • the Figures 34 and 35 are schematic views in elevation, at the rear wheels, of a foldable chair provided with two sets of guide sliders in the deployed or folded respectively.

En se référant aux Figure 1 à 6, on voit un guide 1, formé d'un profil métallique en C ouvert vers le haut (voir Figure 10), présentant, vers l'avant et vers l'arrière, deux moyens de fixation 2, 3. On voit sur les Figures 7 à 12 que les moyens de fixation 2, 3 comportent un étrier 4 à section en C entourant le guide 1 et ouvert vers le haut, pouvant glisser sur le profil de guide 1, et soudé à une plaque verticale 5 présentant quatre écrous fixes 6. Le moyen de fixation 2 comporte encore une deuxième plaque verticale 7 percée de quatre trous au pas des écrous 6, traversés par quatre vis papillon 8 pouvant être vissées dans les écrous respectifs 6, de façon à pouvoir serrer entre les plaques 5 et 7, un tube ou élément horizontal 9 du cadre d'un fauteuil roulant. On comprend qu'après avoir monté et serré les moyens de fixation 2, 3, sur l'élément de cadre ou châssis 9, on peut faire glisser le guide 1 dans les deux étriers 4 pour ajuster la position du guide 1 sur le cadre, après quoi on immobilise le guide 1 dans ses étriers en serrant des vis verticales 10 traversant les étriers.Referring to Figure 1 to 6 , we see a guide 1, formed of a C-shaped open metal profile (see Figure 10 ), presenting, towards the front and towards the rear, two fixing means 2, 3. Figures 7 to 12 that the fastening means 2, 3 comprise a stirrup 4 having a C-section surrounding the guide 1 and open upwards, being able to slide on the guide profile 1, and welded to a vertical plate 5 having four fixed nuts 6. The means 2 also comprises a second vertical plate 7 pierced with four holes at the pitch of the nuts 6, through which are traversed by four butterfly screws 8 that can be screwed into the respective nuts 6, so as to be able to clamp between the plates 5 and 7, a tube or horizontal element 9 of the frame of a wheelchair. It is understood that after having mounted and tightened the fastening means 2, 3, on the frame member or frame 9, the guide 1 can be slid into the two stirrups 4 to adjust the position of the guide 1 on the frame, after which the guide 1 is immobilized in its stirrups by tightening vertical screws 10 passing through the stirrups.

De préférence la plaque 5 du moyen de fixation avant 2 est plus haute que celle du moyen de fixation arrière 3, de sorte que le guide 1 se trouve légèrement incliné vers le haut et vers l'avant. La différence de hauteur des plaques 5 est avantageusement de 1 à 4 cm, pour une distance de 20 à 40 cm entre les moyens de fixation 2, 3.Preferably the plate 5 of the front fixing means 2 is higher than that of the rear fixing means 3, so that the guide 1 is slightly inclined upwards and forwards. The difference in height of the plates 5 is advantageously from 1 to 4 cm, for a distance of 20 to 40 cm between the fixing means 2, 3.

Le guide 1 reçoit deux coulisseaux, à savoir un coulisseau avant 11 et un coulisseau arrière, dit coulisseau de roue 12, portant des galets 13 roulant sur le fond du profil de guide 1 Figures 10 à 12). Les coulisseaux 11, 12, sont reliés entre eux par un élément de liaison 14, par exemple une barre, tige ou profil. Sur les Figures 10 à 12, cet élément 14 est une simple barre plate.The guide 1 receives two slides, namely a forward slider 11 and a rear slider, called a wheel slider 12, carrying rollers 13 rolling on the bottom of the guide profile 1 Figures 10 to 12 ). The sliders 11, 12 are interconnected by a connecting element 14, for example a bar, rod or profile. On the Figures 10 to 12 this element 14 is a simple flat bar.

On voit sur la Figure 12, que le coulisseau de roue 12 présent, en direction transversale, un axe de rotation de roue 15, de forme usuelle, sur lequel peut être montée, et maintenue, la roue 16 du fauteuil roulant avec une main courante en cerceau usuelle 17. Dans sa position normale de roulement, représentée sur les Figures 1 et 4, le coulisseau de roue 12 est disposé au même niveau et à faible distance de l'axe de roue d'origine du fauteuil (non représenté) situé sur un montant vertical de cadre reliant les éléments de cadre 9 et 30, axe duquel on retire la roue 16 pour la monter sur l'axe 15.We see on the Figure 12 , that the wheel slider 12 present, in the transverse direction, a wheel rotation axis 15, of usual shape, on which can be mounted, and maintained, the wheel 16 of the wheelchair with a usual hoop handrail 17. In its normal rolling position, represented on the Figures 1 and 4 , the wheel slider 12 is disposed at the same level and at a short distance from the original wheel axis of the wheelchair (not shown) located on a vertical frame upright connecting the frame members 9 and 30, the axis of which is removed. the wheel 16 to mount it on the axis 15.

Le coulisseau de roue 12 présente de l'autre côté un tube 18 destiné à la liaison transversale avec le coulisseau de roue situé à l'autre côté du fauteuil.The wheel slider 12 has on the other side a tube 18 for the transverse connection with the wheel slider on the other side of the chair.

La barre de liaison 14 porte, à une distance un peu supérieure au rayon de la roue 16, un frein classique de fauteuil roulant 19, comportant un patin 20 actionnable par un levier 21, pour être repoussé contre le pneumatique de roue.The connecting bar 14 carries, at a distance slightly greater than the radius of the wheel 16, a conventional wheelchair brake 19, comprising a pad 20 actuated by a lever 21, to be pushed against the tire wheel.

L'extrémité antérieure de l'élément de liaison 14 présente, au niveau du coulisseau avant 11, un cliquet 22, prolongé par un bras articulé sur la barre 14 autour d'un axe horizontal 23, et tendant à pivoter vers le bas sous l'effet de la gravité. Dans la position représentée sur les Figure 1 et 4, le cliquet 22 est bloqué par un arrêt 24 fixé à l'avant du guide 1, ce qui empêche le recul en arrière de la barre et des coulisseaux, la poursuite du mouvement en avant étant empêchée par une butée (non représentée). La partie antérieure du cliquet est chanfreinée ou bombée pour se soulever lors du mouvement du coulisseau, de l'arrière vers l'avant, par-dessus l'arrêt 24.The front end of the connecting element 14 has, at the front slider 11, a pawl 22, extended by an articulated arm on the bar 14 about a horizontal axis 23, and tending to pivot downwards under the yoke. effect of gravity. In the position shown on the Figure 1 and 4 , the pawl 22 is blocked by a stop 24 fixed to the front of the guide 1, which prevents backward movement of the bar and sliders, the further forward movement being prevented by a stop (not shown). The front portion of the pawl is chamfered or bulged to lift upon movement of the slider from back to front over stop 24.

On voit sue les Figures 10 et 11, que sur le levier de cliquet 22, est articulée une tige doublement coudée 25, présentant une première partie 26 pivotée verticalement dans le bras de cliquet , une deuxième partie transversale et une troisième partie se prolongeant par une poignée ou manette 27. En tirant la poignée 27 vers le haut, on fait pivoter le bras de cliquet autour de l'axe 23, soulevant le cliquet 22, qui échappe à l'arrêt 24, permettant alors aux coulisseaux 11 et 12 de glisser vers l'arrière. Afin de permettre au handicapé de libérer ses mains après avoir soulevé les deux cliquets 22, pour pouvoir ensuite entrainer manuellement les deux roues 16 du fauteuil sans que les cliquets 22 ne retombent, on prévoit des moyens de maintien des cliquets en position soulevée. Par exemple, la barre 14 peut présenter une plaque verticale 28 chanfreinée vers l'avant. Le handicapé, après avoir soulevé la manette 27 avec sa tige 26, fait tourner la tige pour que sa partie horizontale finisse par se disposer sur le bord supérieur de la plaque 28, où elle est maintenue.We see Figures 10 and 11 , that on the ratchet lever 22, is articulated a double bent rod 25, having a first portion 26 pivoted vertically in the pawl arm, a second transverse portion and a third portion extending by a handle or lever 27. Pulling the With the handle 27 upward, the ratchet arm is rotated about the axis 23, lifting the pawl 22, which escapes the stop 24, then allowing the sliders 11 and 12 to slide backwards. In order to allow the disabled to release his hands after lifting the two pawls 22, to then manually drive the two wheels 16 of the chair without the pawls 22 fall back, there is provided means for holding the pawls in the raised position. For example, the bar 14 may have a vertical plate 28 chamfered forward. The disabled, after lifting the lever 27 with its rod 26, rotates the rod so that its horizontal portion eventually settle on the upper edge of the plate 28, where it is maintained.

Afin de s'assurer que, lors du retour en avant de la roue 16 et de la barre 14, le cliquet 22 soit libéré sans intervention du handicapé, on peut prévoir un moyen de libération de tige, par exemple, un ergot 29, fixé sous une partie horizontale 30 du châssis de fauteuil et qui intercepte la partie transversale de la tige 25 pour faire tourner la tige coudée 25 et la dégager de la plaque 28, provoquant la retombée du cliquet 22 vers le bas, la descente concomitante de la tige 25 permettant son passage sous l'ergot 29.In order to ensure that, when the wheel 16 and the bar 14 are returned to the front, the pawl 22 is released without the intervention of the handicapped person, it is possible to provide a rod release means, for example a pin 29, fixed under a horizontal portion 30 of the chair frame and which intercepts the transverse portion of the rod 25 to rotate the bent rod 25 and release it from the plate 28, causing the fall of the pawl 22 downwards, the concomitant descent of the rod 25 allowing it to pass under the lug 29.

Dans une autre forme de réalisation, représentée sur les Figures 13 à 27, la barre 14 porte une tige verticale 31 pouvant coulisser verticalement à travers la barre 14, et présentant, à sa partie supérieure, une partie transversale en T, dont l'un des bras 32 présente une extrémité, courbée vers le haut, et munie d'une poignée 33. En position avancée des roues, c'est-à-dire en position normale de déplacement du fauteuil Figurel3 et 14) , l'extrémité inférieure de la tige 31 pénètre par gravité dans un trou 34 présenté par la partie antérieure du guide 1, de sorte que la barre 14, avec ses coulisseaux 11, 12, est immobilisée. En soulevant la poignée 33, le handicapé fait remonter la tige 31 hors du trou. 34. Un moyen de maintien dans cette position peut être avantageusement prévu, par exemple, une plaque verticale 35 sur le bord supérieur de laquelle s'appuie l'autre bras 36 de la partie transversale de tige, lorsque celle-ci est soulevée et tournée (Figures15 et 16). Pour faciliter cette manoeuvre on peut prévoir de chanfreiner le bord antérieur de la plaque (comme la plaque28), ou prévoir que la partie transversale 36 s'étende de façon oblique pour assurer un effet de rampe, comme représenté sur les Figures 13 à 27).In another embodiment, shown in the Figures 13 to 27 , the bar 14 carries a vertical rod 31 slidable vertically through the bar 14, and having, at its upper part, a transverse portion T, one of the arms 32 has an end, curved upward, and provided with a handle 33. In the advanced position of the wheels, that is to say in the normal position of movement of the chair Figurel3 and 14), the lower end of the rod 31 gravity enters a hole 34 presented by the front portion of the guide 1, so that the bar 14, with its sliders 11, 12, is immobilized. By lifting the handle 33, the handicapped up the rod 31 out of the hole. 34. A holding means in this position can advantageously be provided, for example, a vertical plate 35 on the upper edge of which the other arm 36 of the transverse portion of the stem rests, when the latter is raised and turned ( Figures 15 and 16 ). To facilitate this maneuver, it is possible to chamfer the anterior edge of the plate (like the plate 28), or to provide that the transverse portion 36 extends obliquely to ensure a ramp effect, as shown in FIGS. Figures 13 to 27 ).

De façon particulièrement préférée on prévoit de fixer, sur le châssis du fauteuil, un ergot vertical 37 regardant vers le bas et interceptant le bras 36 (Figures 17, 18) puis faisant tourner le bras 36 (Figures 19, 20), lorsque la barre 14 se déplace vers l'arrière, provoquant la descente de la tige 31 dont l'extrémité inférieure vient glisser sur la partie supérieure de guide 1, le bras 36 de tige étant ainsi descendu pour échapper à l'ergot 37 (Figure 21). On peut prévoir que si, lors du retour en avant, la tige est dans un état soulevé avec sa partie transversale reposant sur la plaque 35, l'ergot 37 intercepte à nouveau le bras 36 de tige et provoque la descente de la tige 31, la poursuite du mouvement en avant de terminant lorsque la tige 31, qui glisse sur le rail 1, se trouve amenée en face du trou 34, s'y engage par gravité, et bloque la barre et ses coulisseaux.Particularly preferably, it is intended to fix, on the chassis of the chair, a vertical pin 37 looking downwards and intercepting the arm 36 (FIG. Figures 17, 18 ) then rotating the arm 36 ( Figures 19, 20 ), when the bar 14 moves backwards, causing the lowering of the rod 31, the lower end of which slides on the upper part of the guide 1, the stem arm 36 thus being lowered to escape the pin 37 ( Figure 21 ). It can be provided that if, during the forward return, the rod is in a raised state with its transverse portion resting on the plate 35, the lug 37 again intercepts the rod arm 36 and causes the rod 31 to descend, continued movement forward terminating when the rod 31, which slides on the rail 1, is brought in front of the hole 34, engages by gravity, and blocks the bar and its sliders.

De façon particulièrement avantageuse, on peut prévoir dans le rail ou guide un deuxième trou 38 disposé pour recevoir la tige 31 lorsque la position arrière des roues est atteinte (Figures 22, 23). Lors du retour en avant l'utilisateur du fauteuil soulève la tige puis la tourne pour la faire reposer sur la plaque 35 (Figure 24), un deuxième ergot 39 étant avantageusement prévu pour intercepter la tige 31 (Figure 25) et la faire tourner et se dégager de la plaque 35 (Figure 26). La tige 31, ainsi redescendue partiellement échappe à l'ergot 39 puis glisse sur le guide 1 lors de la poursuite du retour en avant (Figure 27), jusqu'à tomber dans le trou avant 34, immobilisant alors les coulisseaux dans la position normale de roulage du fauteuil. Si, par inadvertance, l'utilisateur a soulevé et bloqué la tige lors de ce mouvement en avant, l'ergot antérieur 37 intercepte la tige et la fait retomber pour pouvoir, en fin de course du coulisseau, la laisser tomber dans le trou 34.In a particularly advantageous manner, it is possible to provide in the rail or guide a second hole 38 arranged to receive the rod 31 when the rear position of the wheels is reached ( Figures 22 , 23 ). When returning forward the user of the chair lifts the rod and then turns it to rest it on the plate 35 ( Figure 24 ), a second lug 39 being advantageously provided for intercepting the rod 31 ( Figure 25 ) and rotate and disengage it from plate 35 ( Figure 26 ). The rod 31, thus partially lowered escapes the pin 39 and slides on the guide 1 during the continuation of the return forward ( Figure 27 ), until falling into the front hole 34, then immobilizing the sliders in the normal rolling position of the chair. If, inadvertently, the user lifted and blocked the rod during this forward movement, the front pin 37 intercepts the rod and makes it fall in order to be able, at the end of travel of the slide, to drop it into the hole 34 .

L'extrémité de la tige 34 peut avantageusement être conique pour faciliter l'entrée dans le trou et la descente de la tige par gravité.The end of the rod 34 may advantageously be tapered to facilitate entry into the hole and the descent of the rod by gravity.

On se réfère aux Figures 28 à 30.We refer to Figures 28 to 30 .

Une fois les deux guides 1, avec leurs coulisseaux et barre de liaison 14, fixés sur le châssis, de part et d'autre du fauteuil, on réunit les deux tubes 18, qui se font alors face, par un élément de liaison rapide 40, présentant, à l'une de ses extrémités, une tige fixe41, et comportant, vers l'autre extrémité, une partie tubulaire 42 dans laquelle peut coulisser une tige 43, entre une position sensiblement retirée dans l'élément 40, et une position avancée dans laquelle elle émerge, sur une grande partie de sa longueur, de l'élément 40. Un moyen de blocage 44, par exemple un cliquet ou une vis de serrage, permet d'immobiliser la tige 43 dans sa position avancée.Once the two guides 1, with their sliders and connecting bar 14, fixed on the frame, on either side of the chair, the two tubes 18, which are then facing each other, are joined by a quick link element 40 , having, at one of its ends, a fixed rod41, and comprising, towards the other end, a tubular portion 42 in which a rod 43 can slide, between a position substantially withdrawn in the element 40, and a position in which it emerges, over a large part of its length, from the element 40. A locking means 44, for example a pawl or a clamping screw, makes it possible to immobilize the rod 43 in its advanced position.

Pour réunir les tubes 18, on introduit dans l'un des tubes, la tige fixe 41 de l'élément de liaison, la tige 43 étant en position retirée dans la partie tubulaire 42, puis on fait coulisser la tige mobile 43 vers l'extérieur, pour l'introduire dans le deuxième tube 18, le moyen de blocage 44 immobilisant ensuite la tige 43 dans cette position, de sorte que les deux coulisseaux de roue 12 se trouvent solidarisés, les grandes roues 16 du fauteuil se déplacent ensemble le long de leurs guides 1.To join the tubes 18, is introduced into one of the tubes, the fixed rod 41 of the connecting element, the rod 43 being in the withdrawn position in the tubular portion 42, and then sliding the movable rod 43 to the outside, to introduce it into the second tube 18, the locking means 44 then immobilizing the rod 43 in this position, so that the two wheel sliders 12 are secured, the large wheels 16 of the wheelchair move together along of their guides 1.

On comprend que tout autre élément de liaison entre les coulisseaux de roue peut être utilisé.It is understood that any other connecting element between the wheel sliders can be used.

On se réfère aux Figures 31 à 33, qui représentent une forme de réalisation particulièrement préférée d'un guide avec son coulisseau selon l'invention.We refer to Figures 31 to 33 , which represent a particularly preferred embodiment of a guide with its slide according to the invention.

Le guide 45 est formé d'un profil métallique en C, avec une âme 46 disposée verticalement et pouvant être extérieurement fixée sur le bord latéral du fauteuil, par exemple par des mâchoires de serrage 47, 48, sur des éléments de châssis de fauteuil, par exemple des montants 49. Dans le guide 45 peut coulisser longitudinalement un coulisseau rectangulaire 50, entre une position avancée (Figure 31 et une position reculée (Figure 33), des moyens de butée (non représentés) pouvant être prévus pour empêcher un déplacement au-delà de ces deux positions. A sa partie antérieure, le coulisseau présente une pièce 51 émergeant à l'extérieur de l'ouverture latérale du guide 45, et munie, à sa partie supérieure, d'une plaque horizontale 52, située au-dessus de l'aile supérieure 53 du guide. Sur cette plaque 52, est monté un dispositif d'immobilisation de coulisseau, schématiquement représentée par une manette 54, et identique au dispositif d'immobilisation représenté sur les figures 13 et 14, avec tige coulissant verticalement, bras de tige, plaque de maintien. L'aile supérieure 53 présente un trou avant 55 et un trou arrière 56, dans lesquels peut venir s'encliqueter par gravité, la tige verticale, et jouant le même rôle que les trous 34 et 38.The guide 45 is formed of a metal profile C, with a web 46 arranged vertically and being externally fixed on the lateral edge of the chair, for example by clamping jaws 47, 48, on wheelchair frame elements, for example amounts 49. In the guide 45 can slide longitudinally a rectangular slide 50, between an advanced position ( Figure 31 and a remote position ( Figure 33 ), abutment means (not shown) can be provided to prevent movement beyond these two positions. At its anterior part, the slide has a part 51 emerging outside the lateral opening of the guide 45, and provided, at its upper part, with a horizontal plate 52 situated above the upper wing 53. of the guide. On this plate 52, is mounted a slider immobilization device, schematically represented by a handle 54, and identical to the immobilizer shown in FIGS. Figures 13 and 14 , with vertically sliding rod, rod arm, holding plate. The upper wing 53 has a front hole 55 and a rear hole 56, in which can be snapped by gravity, the vertical rod, and playing the same role as the holes 34 and 38.

Sur la face latérale extérieure de la pièce 51, peut être monté un frein de roue 19 (non représenté).On the outer side face of the workpiece 51, a wheel brake 19 (not shown) may be mounted.

L'extrémité arrière du coulisseau présente un trou 57 dans lequel peut être monté un axe de roue 58, recevant une grande roue 16 de fauteuil, du côté externe du coulisseau. Lorsque la roue est montée son pneumatique se trouve juste en face du patin du frein de roue monté sur la pièce 51. Comme on le voit sur les Figures 31 et 32, l'extrémité arrière de coulisseau émerge un peu à l'arrière au niveau du trou d'axe 57.The rear end of the slide has a hole 57 in which can be mounted a wheel axle 58, receiving a large wheel 16 chair, the outer side of the slide. When the wheel is mounted, its tire is just opposite the wheel brake pad mounted on the part 51. As can be seen in the Figures 31 and 32 the rear end of the slider emerges a little at the rear at the axis hole 57.

Lorsque l'utilisateur libère la tige avec sa manette 54, il peut faire tourner la roue en arrière, ce qui fait glisser le coulisseau 50 ans son guide, jusqu'à la position reculée (Figure 33), dans laquelle il s'immobilise par le trou 56. Dans cette position reculée, la plus grande partie du coulisseau 50 se trouve émergée en porte-à-faux hors de l'extrémité arrière du guide 45, mais la partie antérieure, munie des pièces 51 et 52, reste dans le guide 45 et maintient le coulisseau, et la grande roue du fauteuil ne forme plus un obstacle sur le bord latéral correspondant du siège 59 de fauteuil. De plus, le guide 45 peut être plus court que le guide 1, et ne dépasse pas à l'arrière du fauteuil.When the user releases the rod with his lever 54, he can turn the wheel backwards, which causes the slide 50 years his guide, to the retracted position ( Figure 33 ) in which it stops by the hole 56. In this retracted position, the majority of the slider 50 is emerging cantilevered out of the rear end of the guide 45, but the anterior portion, provided parts 51 and 52, remains in the guide 45 and maintains the slide, and the wheel of the wheelchair no longer forms an obstacle on the corresponding side edge of the chair seat 59. In addition, the guide 45 may be shorter than the guide 1, and does not exceed the back of the chair.

A titre d'exemple les dimensions peuvent être les suivantes, pour des guides et coulisseaux disponibles dans le commerce :

  • Longueur du guide 400 mm ; hauteur du guide 80 mm ; épaisseur du guide 36 mm ;
  • longueur du coulisseau 400 mm ; porte à faux maximum 290 mm ; distance entre les trous 55 et 56 de 16 à 22 cm, selon les fauteuils existants.
By way of example, the dimensions may be as follows, for commercially available guides and slides:
  • Length of the guide 400 mm; height of the guide 80 mm; thickness of the guide 36 mm;
  • slide length 400 mm; maximum overhang 290 mm; distance between holes 55 and 56 from 16 to 22 cm, depending on the existing chairs.

On se réfère maintenant aux Figures 34 et 35.We now refer to Figures 34 and 35 .

On a schématiquement représenté un fauteuil roulant repliable, avec ses deux roues 16 munies de leurs mains courantes 17, le cadre ou châssis de ce fauteuil présentant, de façon usuelle, deux tubes ou longerons supérieurs 30 supportant une assise de siège 59 et deux tubes ou longerons inférieurs 9, réunis par des éléments de châssis 60 articulés pour permettre le pliage du fauteuil. Sur les longerons inférieurs 9 sont montés et fixés les guides 1, avec leurs coulisseaux 11 et 12 réunis par les éléments de liaison 14. On voit que la présence des guides et coulisseaux autorise parfaitement le pliage et le dépliage du fauteuil, une fois l'élément intermédiaire de liaison transversale 40 a été déposé.There is schematically shown a folding wheelchair, with its two wheels 16 provided with their handrails 17, the frame or frame of this chair having, in the usual way, two tubes or upper rails 30 supporting a seat seat 59 and two tubes or lower rails 9, joined by articulated frame members 60 to allow the folding of the chair. On the lower rails 9 are mounted and fixed the guides 1, with their slides 11 and 12 joined by the connecting elements 14. It is seen that the presence of the guides and slides perfectly allows the folding and unfolding of the chair, once the transverse connecting element 40 has been deposited.

En position normale de roulement, les parties supérieures des roues 16, avec les mains courantes 17, se trouvent disposées de part et d'autre du siège 59 et le dépassent vers le haut, pour permettre au handicapé de les manoeuvrer manuellement. Au contraire, en position retirée vers l'arrière, les roues se trouvent effacées vers l'arrière, et n'empiètent plus sur les côtés latéraux du siège, le handicapé n'ayant alors plus d'obstacle pour glisser latéralement de son siège 45 vers une chaise ou tout dispositif destiné à le recevoir.In the normal rolling position, the upper parts of the wheels 16, with the handrails 17, are arranged on either side of the seat 59 and extend upwards, to allow the disabled to manually operate. On the contrary, in a retracted position towards the rear, the wheels are erased towards the rear, and do not encroach more on the lateral sides of the seat, the disabled then having no obstacle to slide laterally from his seat 45 to a chair or any device to receive it.

On comprend qu'au lieu de réaliser les différentes pièces et éléments qui viennent d'être décrits sous forme d'un ensemble général ou kit adaptable à un fauteuil roulant usuel du commerce, on peut aussi réaliser, de fabrication, un fauteuil roulant selon l'invention, muni, de façon permanente, ou au contraire, amovible, des différentes pièces et éléments.It will be understood that instead of producing the various parts and elements which have just been described in the form of a general assembly or kit adaptable to a standard commercial wheelchair, it is also possible to manufacture a wheelchair according to the invention. invention, provided permanently or removably, different parts and elements.

Claims (14)

Ensemble ou kit adaptable à un fauteuil roulant ordinaire, comprenant deux guides (45) munis de moyens de fixation rapide, notamment par serrage, en position sensiblement horizontale de chaque côté du cadre d'un fauteuil, deux coulisseaux de roue (50) présentant un axe transversal (58) sur lequel peut être montée une roue arrière (16) et déplaçables le long du guide (45) entre une position avancée normale de roulement et une position reculée dans laquelle la roue arrière ne déborde plus sur le côté du siège, des moyens manuellement actionnables d'immobilisation du coulisseau (50) dans ladite position avancée (22, 31, 54), des moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée (19, 31, 54), la longueur dudit coulisseau allongé (50) étant telle qu'il peut, en position arrière ou reculée, sortir en porte-à-faux de l'extrémité arrière du guide (45) qui ne dépasse pas, ou peu, l'extrémité arrière du fauteuil, le coulisseau (50) restant maintenu dans le guide par sa partie antérieure.Kit or kit adaptable to an ordinary wheelchair, comprising two guides (45) provided with quick fastening means, in particular by clamping, in a substantially horizontal position on each side of the frame of an armchair, two wheel slides (50) presenting a transverse axis (58) on which a rear wheel (16) can be mounted and movable along the guide (45) between a normal advanced rolling position and a retracted position in which the rear wheel no longer overflows on the side of the seat, manually actuable means for immobilizing the slider (50) in said advanced position (22, 31, 54), manually actuable means for immobilizing the slider and / or the wheel in said retracted position (19, 31, 54) , the length of said elongate slider (50) being such that it can, in rearward or rearward position, cantilever out of the rear end of the guide (45) which does not exceed, or slightly, the end back of the fau the slider (50) remaining in the guide by its anterior part. Ensemble selon la revendication 1, caractérisé en ce que le guide (45) est un peu incliné vers le bas et vers l'arrière.Assembly according to claim 1, characterized in that the guide (45) is slightly inclined downwards and backwards. Ensemble selon l'une des revendications 1 à 2, caractérisé en ce que le guide(45) est formé par un profilé an C, dont l'âme (46) est disposée verticalement, dans lequel glisse un coulisseau allongé (50), l'ouverture dudit profil étant disposée latéralement vers l'extérieur, ledit coulisseau présentant une pièce latérale (51, 52) présentant latéralement un frein de roue, et, à sa partie supérieure, lesdits moyens d'immobilisation (54).Assembly according to one of claims 1 to 2, characterized in that the guide (45) is formed by an an C profile, whose core (46) is arranged vertically, in which slides an elongate slide (50), l opening said profile being disposed laterally outwardly, said slider having a lateral piece (51, 52) laterally having a wheel brake, and, at its upper part, said immobilizing means (54). Ensemble selon l'une des revendications 1 à 3, caractérisé en ce que lesdits moyens de fixation rapide comportent des mâchoires de serrage sur un élément de châssis de fauteuil (47, 48)Assembly according to one of claims 1 to 3, characterized in that said quick fastening means comprise clamping jaws on a chair frame member (47, 48). Ensemble selon l'une des revendications 1à 4, caractérisé en ce que le moyen (22, 31) d'immobilisation du coulisseau (50) en position avancée, est disposé du côté antérieur de la roue arrière (16).Assembly according to one of claims 1 to 4, characterized in that the means (22, 31) for immobilizing the slider (50) in the advanced position, is disposed on the front side of the rear wheel (16). Ensemble selon l'une des revendications 1 à 5, caractérisé en ce que lesdits moyens d'immobilisation en position avancée comportent un moyen d'encliquetage manuellement libérable (22, 31, 54), et un moyen de maintien en position non encliquetée (28, 35) permettant à l'utilisateur handicapé de libérer ses mains pour entrainer les roues du fauteuil vers la position arrière.Assembly according to one of claims 1 to 5, characterized in that said immobilization means in the advanced position comprise a manually releasable latching means (22, 31, 54), and a non-latched position holding means (28, 31, 54). , 35) allowing the disabled user to release his hands to drive the wheels of the chair to the rear position. Ensemble selon la revendication 6, caractérisé en ce qu'il comporte un moyen de libération automatique (29) ramenant le moyen d'encliquetage en position d'encliquetage lors du retour du coulisseau de roue vers l'avant.Assembly according to claim 6, characterized in that it comprises an automatic release means (29) bringing the detent means into the latching position when the wheel slider is returned to the front. Ensemble selon l'une des revendications 6 et 7, caractérisé en ce que ledit moyen d'encliquetage est une tige coulissante 31 susceptible de s'encliqueter dans un trou (34, 38 ; 55, 56) présenté par le guide (1).Assembly according to one of claims 6 and 7, characterized in that said detent means is a sliding rod 31 engageable in a hole (34, 38; 55, 56) presented by the guide (1). Ensemble selon l'une des revendications 6 à 8, caractérisé en ce que ledit moyen de maintien comporte une plaque (28, 35) sur laquelle peut être amené un bras transversal du moyen d'encliquetage (22, 31) en position soulevée.Assembly according to one of claims 6 to 8, characterized in that said holding means comprises a plate (28, 35) on which can be brought a transverse arm of the latching means (22, 31) in the raised position. Ensemble selon l'une des revendications 1 à 9, caractérisé en ce que les moyens manuellement actionnables d'immobilisation du coulisseau et/ou de la roue dans ladite position reculée, comprennent les mêmes moyens d'encliquetage (22, 31) que les moyens d'immobilisation en position avancée, et sont montées sur une partie antérieure de coulisseau (51, 52).Assembly according to one of claims 1 to 9, characterized in that the manually actuable means for immobilizing the slide and / or the wheel in said retracted position, comprise the same latching means (22, 31) that the means in the forward position, and are mounted on an anterior portion of the slider (51, 52). Ensemble selon l'une des revendication 1 à 10, caractérisé en ce qu'il comporte un frein de roue arrière (20) déplaçable avec le coulisseau de roue, permettant d'immobiliser la roue arrière en toute position du coulisseau de roue le long du guide.Assembly according to one of claims 1 to 10, characterized in that it comprises a rear wheel brake (20) displaceable with the wheel slider, for immobilizing the rear wheel in any position of the wheel slider along the guide. Ensemble selon l'une des revendications 1 à 11, caractérisé en ce que les deux coulisseaux de roue (, 50) d'un fauteuil sont reliés entre eux par un élément transversal (40), de sorte que l'utilisateur puisse provoquer le roulement des roues et le déplacement simultané des coulisseaux (12) entre les positions avancée et reculée.Assembly according to one of claims 1 to 11, characterized in that the two wheel sliders (50) of a chair are interconnected by a transverse element (40) so that the user can cause the rolling wheels and the simultaneous movement of the sliders (12) between the advanced and retracted positions. Ensemble selon la revendication 12, caractérisé en ce que ledit élément (40) comporte deux ou plusieurs parties télescopiques ou autrement translatables entre elles (41, 43), formant ainsi un élément de longueur variable.Assembly according to claim 12, characterized in that said element (40) comprises two or more telescopic or otherwise translatable parts (41, 43), thus forming a variable length element. Ensemble selon l'une des revendications 1 à 13, caractérisé en ce que la longueur du guide est de l'ordre de 400 mm, la longueur du coulisseau de l'ordre de 400 mm, et le porte à faux maximum de l'ordre de 290 mm.Assembly according to one of claims 1 to 13, characterized in that the length of the guide is of the order of 400 mm, the length of the slider of the order of 400 mm, and the maximum overhang of the order 290 mm.
EP16180396.0A 2015-07-20 2016-07-20 Assembly or kit for a wheelchair for a person with motor disabilities Active EP3120818B1 (en)

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JP2011104317A (en) 2009-11-16 2011-06-02 Masaaki Tejika Sliding in wheelchair
FR2995209A1 (en) 2012-09-11 2014-03-14 Univ Valenciennes Et Du Hainaut Cambresis Wheelchair i.e. manual wheelchair, for use as transport unit for people with reduced mobility, has hand actuating unit accessible by user to allow passage of rear wheels from retracted position to forward position and vice-versa

Cited By (7)

* Cited by examiner, † Cited by third party
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FR3066910A1 (en) * 2017-06-06 2018-12-07 Claude Bertrand ASSEMBLY FOR TRANSLATION OF WHEELCHAIR WHEELS FOR MOTOR HANDICAP
EP3412267A1 (en) * 2017-06-06 2018-12-12 Claude Bertrand Assembly for translating the wheels of a wheelchair for a mobility impaired person
CN109419594A (en) * 2017-08-23 2019-03-05 刘国祯 Folding wheelchair frame
EP3527186A1 (en) * 2018-02-14 2019-08-21 Batec Mobility, S.L. Auxiliary frame systems for wheelchairs
US11096846B2 (en) 2018-02-14 2021-08-24 Batec Mobility, S.L. Auxiliary frame systems for wheelchairs
WO2021234259A1 (en) 2020-05-19 2021-11-25 Claude Bertrand Assembly for translational movement of wheelchair wheels for persons with motor disabilities
FR3110387A1 (en) 2020-05-19 2021-11-26 Claude Bertrand Wheelchair wheel translation kit for disabled people

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EP3120818B1 (en) 2020-09-02

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