EP1764070A2 - Standing-up aid with means to set the inclination of the footrest in vertical position - Google Patents

Standing-up aid with means to set the inclination of the footrest in vertical position Download PDF

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Publication number
EP1764070A2
EP1764070A2 EP06120679A EP06120679A EP1764070A2 EP 1764070 A2 EP1764070 A2 EP 1764070A2 EP 06120679 A EP06120679 A EP 06120679A EP 06120679 A EP06120679 A EP 06120679A EP 1764070 A2 EP1764070 A2 EP 1764070A2
Authority
EP
European Patent Office
Prior art keywords
articulated
quadrilateral
footrest
seat
supporting
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
EP06120679A
Other languages
German (de)
French (fr)
Other versions
EP1764070A3 (en
EP1764070B1 (en
Inventor
François Porcheron
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.)
Lifestand "Vivre Debout"
Original Assignee
Lifestand "Vivre Debout"
Lifestand Vivre Debout
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Filing date
Publication date
Application filed by Lifestand "Vivre Debout", Lifestand Vivre Debout filed Critical Lifestand "Vivre Debout"
Publication of EP1764070A2 publication Critical patent/EP1764070A2/en
Publication of EP1764070A3 publication Critical patent/EP1764070A3/en
Application granted granted Critical
Publication of EP1764070B1 publication Critical patent/EP1764070B1/en
Not-in-force legal-status Critical Current
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
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61G5/1089—Anti-tip devices
    • 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
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/36—Specific positions of the patient standing

Definitions

  • the present invention relates to wheelchairs, particularly but not exclusively, wheelchairs, which are used by the disabled and disabled and it aims, indifferently, wheelchairs, folding or not.
  • Such a position is not able to bring rehabilitation to everyday life and does not facilitate social contacts.
  • a sitting position maintained for relatively long periods of time, is responsible for physical degradation, such as loss of angular amplitude of the lower limbs, defective blood circulation, slowing of the digestive and intestinal functions, bone fragility, etc. .
  • the patent FR 2 717 377 a proposed a standing chair comprising a chassis with motorized wheels, supporting an articulated structure comprising a support structure of a seat, a support structure of a footrest and a support structure of a folder.
  • the chair also comprises means for supporting and operating the articulated structure which are interposed between the articulated structure and the frame, and which are adapted to move the articulated structure from a sitting position to a vertical position. and vice versa.
  • the invention relates to a chair lift for disabled and disabled, incorporating a frame supporting an articulated structure comprising a support structure of a seat, a support structure a footrest, a structure for supporting a backrest and means for supporting and operating the articulated structure which are interposed between the articulated structure and the chassis, and which are adapted to move the articulated structure of a sitting position at a position of verticalization moved away from the sitting position and vice versa.
  • the standing chair is characterized in that it comprises means for adjusting the angle between the footrest and the seat in a position of verticalization and adjustment of the amplitude of the relative rotation between the support structure of the seat and the support structure of the footrest during verticalization.
  • the implementation of such adjustment means reinforces the feeling of safety of the user, especially when his knees must come to bear on lower holding means, such as knee pads.
  • the adjustment means can be made in any appropriate way.
  • the adjustment means may comprise a cam or connecting rod connecting the support structure of the footrest to the structure of support of the seat.
  • the adjustment means comprise an adjustable stop against which the supporting structure of the footrest bears in the vertical position.
  • the support structures of the seat, the footrest and the backrest can be made in different ways and, for example, as described in the patent FR 2,717,377 .
  • the support structure of the seat comprises at least one first deformable quadrilateral composed of two bars, respectively upper and lower, defining the long sides of the quadrilateral, articulated, on the one hand, to their front portions on a corresponding anterior spacer on the short front side of the quadrilateral and, on the other hand, to their posterior spacer, corresponding to a small posterior side.
  • the support and maneuvering means of the articulated structure comprise, on the one hand, at least one second deformable quadrilateral composed of two rods, respectively lower and upper, the upper link being hinged at the rear on the chassis and at the front on the upper bar of the first quadrilateral and the lower connecting rod being articulated at the rear on the chassis and at the front on the lower bar of the first quadrilateral and, on the other hand, a motorized cylinder interposed between the frame and an element integral with the lower bar or the upper bar of the first quadrilateral.
  • the footrest structure comprises at least one amount which is connected to the anterior spacer and which comes in a vertical position in abutment with the adjustment means formed by an abutment integral with the frame, while the support structure of the backrest is articulated at the rear on the first quadrilateral, opposite the footrest, and which comprises at least one amount supporting the folder.
  • the support means of the seat and the support and maneuvering means of the articulated structure will each comprise two substantially parallel lateral assemblies.
  • the amount of the support structure of the footrest is rigidly connected to the at least one anterior spacer of the support structure of the the seat.
  • the standing chair comprises stabilizing means which are movable between a retracted position and an extended position in which they extend opposite the footrest and bear on the ground and which are controlled to be in the extended position when the articulated structure is in the vertical position and in the retracted position when the articulated structure is in the sitting position.
  • the support structure of the backrest comprises a motorized jack which is articulated on the support structure of the seat and which allows adjustment of the inclination of the backrest relative to the seat.
  • Fig. 1 is an elevation, in a partially cut right view, of a chair according to the invention, in the sitting or lowering position of the chair.
  • Fig. 2 is an elevation, in a partly cut right view, of the chair according to FIG. 1 , in standing or standing position.
  • Fig. 3 is a perspective of three quarters rear right of the chair according to figs. 1 and 2 in vertical position.
  • Fig. 4 is a perspective of three quarters front right of the chair according to figs. 1 and 2 in vertical position.
  • the invention relates to a standing chair, as shown in Figs. 1 to 4 , and designated as a whole by the reference 1 , capable of rolling in a vertical position and intended to provide the best possible security for its user.
  • Such a chair 1 comprises a frame 2 , composed of two lateral half-frames 3 and 4 , joined together by crosspieces 5 and 6 .
  • the chassis 2 is provided, in a generally known manner, with wheels 7 , generally carrying, main and driving wheels and 8 steerable, orientable via pivots 9 .
  • the wheels 8 are generally, but not necessarily, placed at the front part of the frame 2 , while the load wheels 7 occupy the rear part. Wheels 7 and 8 define, by the points of contact with the ground S , a polygon of support or levitation by the center of which passes a vertical axis X-X ' .
  • the wheels 7 may advantageously be associated with reversible rotary drive electric motors, not shown, which may be powered from an onboard source, also not shown.
  • the frame 2 supports an articulated structure 10 , maintaining a seat A , a backrest D and a footrest R , organized to be able to occupy a folded stable state, corresponding to a so-called seat position, as illustrated in FIG. 1 and an unfolded stable state, corresponding to a vertical position, as shown in FIG. 2 .
  • the articulated structure is able to support a disabled or invalid in a sitting position and in a vertical position respectively.
  • the articulated structure 10 is substantially aligned with the vertical axis X-X ' and is recentered with respect to its situation in the sitting position.
  • the articulated structure 10 is connected to the chassis 2 by means of support and maneuvering 11 .
  • the articulated structure 10 comprises a structure 12 for supporting the seat A.
  • the support structure 12 is, according to the illustrated example, constituted by two lateral articulated systems 13 , symmetrical with respect to a sagittal plane P and which are more particularly visible in FIGS. 3 and 4 .
  • Each articulated system 13 is intended to be laterally adapted to the frame 2 , for example at each of the half-frames 3 and 4 by means of two lateral assemblies 14 constituting the support and operating means 11 .
  • Each articulated system 13 comprises a first deformable quadrilateral 17 , consisting of upper and lower bars 18 and 19 , although they are not arranged, in the representations illustrated in FIG. 1 to 4 , in the same vertical plane.
  • the bars 18 and 19 are joined, at their posterior terminal part, by a rear element or spacer 20 , to which they are connected by pivots 20 1 , 20 2 .
  • the bars 18 and 19 are further joined at their front or front end portions by an anterior spacer 21 to which they are connected by pivots 21 1 , 21 2 .
  • the lower bars 19 and upper 18 and their respective hinge points 20 1 , 21 1 , 20 2 , 21 2 define the long upper sides G S and lower G I , while the rear spacer 20 defines a small posterior side P P of the first quadrilateral, the anterior spacer 21 defining a small anterior side P A , as is apparent from FIG. 1 .
  • the articulated structure 10 further comprises, a support structure 25 of the footrest R which comprises a jamb or upright 27, for supporting two pallets 28 forming a footrest.
  • the upright 27 is rigidly connected to the anterior spacers 21 via sleepers 29 .
  • the articulated structure 10 finally comprises a structure 30 for supporting the file D.
  • the structure 30 comprises two uprights 35 , each articulated on the first quadrilateral 17, at the pivot 20 1 of the rear spacer 20.
  • the backrest posts 35 are, moreover, connected by a crosses 36 .
  • the support structure of the backrest 30 also includes a motorized jack 37 connecting the crossmember 36 to the rear spacers 20 and allowing adjustment of the inclination of the uprights 35 and thus the backrest.
  • the support and operating means 11 comprise, firstly, the two lateral assemblies 14 which each connect a lateral assembly 13 to means 10 for supporting the seat to the frame.
  • Each lateral assembly 14 comprises a second deformable quadrilateral composed of two connecting rods, respectively lower 40 and upper 41 , although they are not located in the same vertical plane.
  • Each lower link 40 is then linked, on the one hand, to the frame 2 by means of a pivot 42 and, on the other hand, to the lower bar 19 via a pivot 43 .
  • each upper link 41 is connected, on the one hand, to the frame 2 via a pivot 44 and, on the other hand, to the upper bar 18 via a pivot 44 .
  • the support and operating means 11 comprise an operating assembly 50, interposed between the frame 2 and the support structure 12 of the seat.
  • the maneuvering assembly 50 comprises a spreader 51 articulated on a crossmember 52 secured to the chassis and connected at one of its ends by a pivot 53 to a crossmember 54 connecting the two lower bars 19 .
  • the maneuvering assembly 50 also comprises a motorized jack 55 articulated, on the one hand, by a pivot 56 on the end of the spreader 51 opposite the pivot 53 and, on the other hand, by a pivot 57 to an arm 58 secured to the cross 54 .
  • the pivots 52, 53, 57 and 56 form a deformable quadrilateral by elongation or shortening of the side formed by the motorized jack 55 .
  • the armchair 1 comprises, finally, armrests 60 , fixed to the uprights 35 and capable of forming a chest support element.
  • the chair 1 also comprises low holding means 61 , formed by kneepads or shells 62 fixed to the anterior spacing pieces 21 and shaped to fit the knees or the lower thighs just above the knees, a wheelchair user.
  • the chair 1 When a user sitting in the chair 1 wishes, from a sitting position corresponding to FIG. 1 , move to standing or standing position, as shown in fig. 2 , it controls the operation of the electric cylinder 55 which, by its elongation, causes the verticalization of the articulated structure 10 . At the end of this movement, the amount 27 of the support means 25 of the footrest R bear against the frame 2 .
  • the chair 1 comprises adjustment means 65 which make it possible to determine the amplitude of the movement of the upright 27 during the verticalization stroke and therefore the angle ⁇ between the upright 27 and the upper bar 18 in the position of verticalization of the articulated structure 10 .
  • the adjustment means 65 are, according to the illustrated example, formed by a screw whose extension is adjustable and on which the amount 27 bears. Thus, by adjusting the screw, it is possible to adjust the value of the angle ⁇ in the vertical position and therefore the amplitude of the rotation of the upright 27 relative to the upper bars 18 during verticalization.
  • the means 65 allow, according to their setting, to obtain a greater or lesser flexing of the legs of the user in a vertical position.
  • This adjustment of the flexion makes it possible to determine the way in which the legs of the user come to bear in the shells 62 , which makes it possible, on the one hand, to ensure the stability of the user's position and, on the other hand, to give a feeling of confidence to the user. Furthermore, it is possible, by acting on the electric cylinder 37 , to change the inclination of the backrest and therefore the torso of the user, which improves the comfort of the latter.
  • the chair 1 further comprises stabilizing means 70 which are movable between a retracted position, as illustrated in FIG. 1 , and an extension position, as illustrated in FIG. 2 , in which they extend opposite the footrest R and rest on the ground S.
  • the means 70 are controlled to be in the retracted position when the articulated structure 10 is in the sitting position, whereas, when the articulated structure 10 is in the vertical position, the means 70 are in the extended position bearing on the ground.

Abstract

The wheelchair (1), comprising a chassis (2) with an articulated structure with supports for a seat, foot rest (25) and back, incorporates a mechanism (65) with an adjustable stop for regulating the angle between the foot rests and seat in the standing position and the amplitude of relative rotation between the seat and foot rest supporting structures. The seat supporting structure includes at least one deformable quadrilateral with bars (18, 19) forming its long sides, and spacers (20, 21) for its two short sides.

Description

La présente invention concerne les fauteuils, plus particulièrement mais non exclusivement, roulants, qui sont utilisés par les handicapés et les invalides et elle vise, indifféremment, les fauteuils roulants, pliants ou non.The present invention relates to wheelchairs, particularly but not exclusively, wheelchairs, which are used by the disabled and disabled and it aims, indifferently, wheelchairs, folding or not.

Il est incontestable que les fauteuils roulants ont apporté une possibilité de mobilité aux handicapés et aux invalides. Ces fauteuils roulants possèdent, toutefois, plusieurs inconvénients tenant au fait que les utilisateurs ne peuvent occuper qu'une position assise, par ailleurs maintenue en général pendant des durées relativement longues.It is undeniable that wheelchairs have provided mobility opportunities for the disabled and the disabled. These wheelchairs have, however, several drawbacks due to the fact that users can only occupy a sitting position, otherwise maintained in general for relatively long periods.

Une telle position n'est pas à même d'apporter une réadaptation à la vie courante et ne facilite pas les contacts sociaux. En outre, une telle position assise, maintenue pendant des durées relativement longues, est responsable d'une dégradation physique, telle que perte d'amplitude angulaire des membres inférieurs, circulation sanguine défectueuse, ralentissement des fonctions digestives et intestinales, fragilité osseuse, etc..Such a position is not able to bring rehabilitation to everyday life and does not facilitate social contacts. In addition, such a sitting position, maintained for relatively long periods of time, is responsible for physical degradation, such as loss of angular amplitude of the lower limbs, defective blood circulation, slowing of the digestive and intestinal functions, bone fragility, etc. .

Pour remédier aux inconvénients ci-dessus, il a été proposé des fauteuils dont le châssis supporte une structure articulée comprenant un dossier, une assise et un repose-pieds. Une telle structure est montée articulée par l'assise sur un axe frontal horizontal, perpendiculaire au plan de symétrie vertical du châssis. La structure articulée peut être commandée avec motorisation complète ou assistance, pour faire passer l'assise d'une position d'abaissement à une position de verticalisation et inversement. De tels fauteuils sont, généralement, qualifiés de « fauteuils verticalisateurs ».To overcome the disadvantages above, it has been proposed chairs whose frame supports an articulated structure comprising a backrest, a seat and a footrest. Such a structure is mounted articulated by the seat on a horizontal front axis, perpendicular to the vertical plane of symmetry of the frame. The articulated structure can be controlled with complete motorization or assistance, to move the seat from a lowering position to a vertical position and vice versa. Such chairs are generally referred to as "upright armchairs".

Que la source de puissance, commandant ou permettant de commander la verticalisation et l'abaissement de la structure articulée, soit à base d'énergie électrique, de vérins élastiques, notamment à gaz, ou purement manuelle, les fauteuils du type ci-dessus ont certainement permis de résoudre, pour une grande partie, les inconvénients découlant de l'utilisation d'un fauteuil classique.Whether the source of power, controlling or allowing to control the verticalization and the lowering of the articulated structure, is based on electrical energy, elastic cylinders, in particular gas, or purely manual, the chairs of the type above have certainly allowed to solve, for a large part, the disadvantages arising from the use of a classic chair.

C'est certainement la raison du succès de tels fauteuils depuis déjà un certain nombre d'années. A titre de référence, il est possible de citer le brevet FR 2 529 456 qui est justement relatif à une telle conception de fauteuil verticalisateur.This is certainly the reason for the success of such chairs for a number of years already. For reference, it is possible to quote the patent FR 2,529,456 which is precisely relative to such a design of a standing chair.

Bien que donnant satisfaction, de tels fauteuils ont, semble-t-il, fait naître une objection de confort tenant, notamment, au fait qu'il n'est pas possible de faire rouler un fauteuil, tel que décrit par le brevet FR 2 529 456 , lorsqu'il est en position de verticalisation.Although satisfactory, such chairs seem to have given rise to a comfort objection, in particular because it is not possible to roll an armchair, as described by the patent. FR 2,529,456 , when in the position of verticalization.

Afin de remédier à cet inconvénient, le brevet FR 2 717 377 a proposé un fauteuil verticalisateur comprenant un châssis à roues motorisées, supportant une structure articulée comprenant une structure de support d'une assise, une structure de support d'un repose-pieds et une structure de support d'un dossier. Le fauteuil comprend, également, des moyens de support et de manoeuvre de la structure articulée qui sont interposés, entre la structure articulée et le châssis, et qui sont adaptés pour déplacer la structure articulée d'une position d'assise à une position de verticalisation et inversement. La particularité du brevet FR 2 717 377 réside dans le fait que, en position de verticalisation, d'une part, la structure articulée est reculée par rapport à la position assise ou recentrée par rapport au châssis et, d'autre part, le repose-pieds est placé à distance du sol, de sorte que le fauteuil présente une grande stabilité et peut rouler dans cette position de verticalisation.In order to remedy this drawback, the patent FR 2 717 377 a proposed a standing chair comprising a chassis with motorized wheels, supporting an articulated structure comprising a support structure of a seat, a support structure of a footrest and a support structure of a folder. The chair also comprises means for supporting and operating the articulated structure which are interposed between the articulated structure and the frame, and which are adapted to move the articulated structure from a sitting position to a vertical position. and vice versa. The peculiarity of the patent FR 2,717,377 resides in the fact that, in vertical position, on the one hand, the articulated structure is moved back from the seated or recentered position relative to the frame and, on the other hand, the footrest is placed at a distance from the ground , so that the chair has a high stability and can roll in this position of verticalization.

Toutefois, il est apparu, à l'usage, que ce dernier type de fauteuil n'était pas toujours en mesure de garantir à son utilisateur un confort maximum et un sentiment de sécurité en position de verticalisation. La demanderesse a eu le mérite de mettre en évidence que le confort et le sentiment de sécurité se trouvent, pour une grande part, liés à la flexion des genoux en position de verticalisation et cela, notamment, pour les utilisateurs qui n'ont jamais eu l'usage de leurs membres inférieurs et/ou présentent des membres inférieurs atrophiés.However, it appeared, in use, that the latter type of chair was not always able to guarantee the user maximum comfort and a sense of security in a vertical position. The plaintiff has had the merit of highlighting that the comfort and the feeling of security are, for a large part, related to the knee bending in position of verticalization and that, in particular, for the users who never had the use of their lower limbs and / or have atrophied lower limbs.

Ainsi, l'invention concerne un fauteuil verticalisateur pour handicapés et invalides, incorporant un châssis supportant une structure articulée comprenant une structure de support d'une assise, une structure de support d'un repose-pieds, une structure de support d'un dossier et des moyens de support et de manoeuvre de la structure articulée qui sont interposés, entre la structure articulée et le châssis, et qui sont adaptés pour déplacer la structure articulée d'une position d'assise à une position de verticalisation reculée par rapport à la position d'assise et inversement.Thus, the invention relates to a chair lift for disabled and disabled, incorporating a frame supporting an articulated structure comprising a support structure of a seat, a support structure a footrest, a structure for supporting a backrest and means for supporting and operating the articulated structure which are interposed between the articulated structure and the chassis, and which are adapted to move the articulated structure of a sitting position at a position of verticalization moved away from the sitting position and vice versa.

Selon l'invention et afin de permettre un ajustement de la flexion des genoux en fonction de l'utilisateur, le fauteuil verticalisateur est caractérisé en ce qu'il comprend des moyens de réglage de l'angle entre le repose-pieds et l'assise en position de verticalisation et de réglage de l'amplitude de la rotation relative entre la structure de support de l'assise et la structure de support du repose-pied lors de la verticalisation. La mise en oeuvre de tels moyens de réglage permet de renforcer le sentiment de sécurité de l'utilisateur, notamment lorsque ses genoux doivent venir un appui sur des moyens de maintien inférieur, tels que des genouillères.According to the invention and in order to allow an adjustment of the flexion of the knees according to the user, the standing chair is characterized in that it comprises means for adjusting the angle between the footrest and the seat in a position of verticalization and adjustment of the amplitude of the relative rotation between the support structure of the seat and the support structure of the footrest during verticalization. The implementation of such adjustment means reinforces the feeling of safety of the user, especially when his knees must come to bear on lower holding means, such as knee pads.

Selon l'invention, les moyens de réglage peuvent être réalisés de toute façon appropriée. Ainsi, lorsque les moyens de support du repose-pieds sont articulés par rapport aux moyens de support de l'assise, les moyens de réglage peuvent comprendre un système de came ou de bielle reliant la structure de support du repose-pieds à la structure de support de l'assise. Dans une forme préférée de réalisation, les moyens de réglage comprennent une butée réglable contre laquelle la structure de support du repose-pieds vient en appui en position de verticalisation.According to the invention, the adjustment means can be made in any appropriate way. Thus, when the support means of the footrest are hinged relative to the support means of the seat, the adjustment means may comprise a cam or connecting rod connecting the support structure of the footrest to the structure of support of the seat. In a preferred embodiment, the adjustment means comprise an adjustable stop against which the supporting structure of the footrest bears in the vertical position.

Selon l'invention les structures de support de l'assise, du repose pied et du dossier peuvent être réalisées de différentes manières et, par exemple, comme cela est décrit dans le brevet FR 2 717 377 .According to the invention the support structures of the seat, the footrest and the backrest can be made in different ways and, for example, as described in the patent FR 2,717,377 .

Selon une forme préférée de réalisation de l'invention, la structure de support de l'assise comprend au moins un premier quadrilatère déformable composé de deux barres, respectivement supérieure et inférieure, définissant les grands côtés du quadrilatère, articulées, d'une part, vers leurs parties avant sur une pièce d'écartement antérieure correspondante du petit côté antérieur du quadrilatère et, d'autre part, vers leurs parties arrière par une pièce d'écartement postérieure, correspondant à un petit côté postérieur. Selon cette forme préférée de réalisation, les moyens de support et de manoeuvre de la structure articulée comprennent, d'une part, au moins un second quadrilatère déformable composé de deux bielles, respectivement inférieure et supérieure, la bielle supérieure étant articulée à l'arrière sur le châssis et à l'avant sur la barre supérieure du premier quadrilatère et la bielle inférieure étant articulée à l'arrière sur le châssis et à l'avant sur la barre inférieure du premier quadrilatère et, d'autre part, un vérin motorisé, interposé entre le châssis et un élément solidaire de la barre inférieure ou de la barre supérieure du premier quadrilatère. La structure de repose-pieds comprend au moins un montant qui est lié à la pièce d'écartement antérieure et qui vient en position de verticalisation en appui contre les moyens de réglage formés par une butée solidaire du châssis, tandis que la structure de support du dossier est articulée, à l'arrière, sur le premier quadrilatère, à l'opposé du repose-pieds, et qui comprend au moins un montant supportant le dossier.According to a preferred embodiment of the invention, the support structure of the seat comprises at least one first deformable quadrilateral composed of two bars, respectively upper and lower, defining the long sides of the quadrilateral, articulated, on the one hand, to their front portions on a corresponding anterior spacer on the short front side of the quadrilateral and, on the other hand, to their posterior spacer, corresponding to a small posterior side. According to this preferred embodiment, the support and maneuvering means of the articulated structure comprise, on the one hand, at least one second deformable quadrilateral composed of two rods, respectively lower and upper, the upper link being hinged at the rear on the chassis and at the front on the upper bar of the first quadrilateral and the lower connecting rod being articulated at the rear on the chassis and at the front on the lower bar of the first quadrilateral and, on the other hand, a motorized cylinder interposed between the frame and an element integral with the lower bar or the upper bar of the first quadrilateral. The footrest structure comprises at least one amount which is connected to the anterior spacer and which comes in a vertical position in abutment with the adjustment means formed by an abutment integral with the frame, while the support structure of the backrest is articulated at the rear on the first quadrilateral, opposite the footrest, and which comprises at least one amount supporting the folder.

Dans une forme de réalisation préférée, les moyens de support de l'assise et les moyens de support et de manoeuvre de la structure articulée comprendront chacun deux ensembles latéraux sensiblement parallèles.In a preferred embodiment, the support means of the seat and the support and maneuvering means of the articulated structure will each comprise two substantially parallel lateral assemblies.

Selon une caractéristique de l'invention, et dans le cadre de ses formes préférées de réalisation, le montant de la structure de support du repose-pieds est lié de manière rigide à la ou aux pièces d'écartement antérieures de la structure de support de l'assise.According to a feature of the invention, and in the context of its preferred embodiments, the amount of the support structure of the footrest is rigidly connected to the at least one anterior spacer of the support structure of the the seat.

Selon une autre caractéristique de l'invention, le fauteuil verticalisateur comprend des moyens de stabilisation qui sont mobiles entre une position de rétraction et une position d'extension dans laquelle ils s'étendent à l'opposé du repose-pieds et viennent en appui sur le sol et qui sont commandés pour être en position d'extension lorsque la structure articulée est en position de verticalisation et en position de rétraction lorsque la structure articulée est en position d'assise.According to another characteristic of the invention, the standing chair comprises stabilizing means which are movable between a retracted position and an extended position in which they extend opposite the footrest and bear on the ground and which are controlled to be in the extended position when the articulated structure is in the vertical position and in the retracted position when the articulated structure is in the sitting position.

Selon encore une autre caractéristique de l'invention, la structure de support du dossier comprend un vérin motorisé qui est articulé sur la structure de support de l'assise et qui permet un réglage de l'inclinaison du dossier par rapport à l'assise.According to yet another characteristic of the invention, the support structure of the backrest comprises a motorized jack which is articulated on the support structure of the seat and which allows adjustment of the inclination of the backrest relative to the seat.

Les différentes caractéristiques de l'invention peuvent être mises en oeuvre les unes avec les autres selon différentes combinaisons dans la mesure où elles ne sont pas incompatibles.The various features of the invention can be implemented with each other in different combinations to the extent that they are not incompatible.

Par ailleurs, diverses autres caractéristiques de l'invention ressortent de la description ci-dessous, effectuée en référence aux dessins annexés qui illustrent différentes formes, non limitatives, de réalisation d'un fauteuil verticalisateur selon l'invention et possédant des moyens de réglage de l'angle entre le repose-pieds et l'assise en position de verticalisation.Furthermore, various other features of the invention will emerge from the description below, made with reference to the accompanying drawings which illustrate various non-limiting forms of embodiment of a standing chair according to the invention and having means for adjusting the the angle between the footrest and the seat in vertical position.

La fig. 1 est une élévation, en vue de droite partiellement coupée, d'un fauteuil selon l'invention, en position d'assise ou d'abaissement du fauteuil. Fig. 1 is an elevation, in a partially cut right view, of a chair according to the invention, in the sitting or lowering position of the chair.

La fig. 2 est une élévation, en vue de droite partiellement coupée, du fauteuil selon la fig. 1, en position de verticalisation ou debout. Fig. 2 is an elevation, in a partly cut right view, of the chair according to FIG. 1 , in standing or standing position.

La fig. 3 est une perspective de trois quarts arrière droite du fauteuil selon les fig. 1 et 2 en position de verticalisation. Fig. 3 is a perspective of three quarters rear right of the chair according to figs. 1 and 2 in vertical position.

La fig. 4 est une perspective de trois quarts avant droite du fauteuil selon les fig. 1 et 2 en position de verticalisation. Fig. 4 is a perspective of three quarters front right of the chair according to figs. 1 and 2 in vertical position.

L'invention concerne un fauteuil verticalisateur, tel qu'illustré aux fig. 1 à 4, et désigné dans son ensemble par la référence 1, susceptible de rouler en position de verticalisation et destiné à offrir la meilleure sécurité possible à son utilisateur.The invention relates to a standing chair, as shown in Figs. 1 to 4 , and designated as a whole by the reference 1 , capable of rolling in a vertical position and intended to provide the best possible security for its user.

Un tel fauteuil 1 comprend un châssis 2, composé de deux demi-châssis latéraux 3 et 4, réunis entre eux par des traverses 5 et 6. Le châssis 2 est pourvu, de façon habituellement connue, de roues 7, généralement porteuses, principales et motrices et de roues 8 directrices, orientables par l'intermédiaire de pivots 9. Les roues 8 sont généralement, mais non obligatoirement, placées à la partie avant du châssis 2, alors que les roues porteuses 7 occupent la partie arrière. Les roues 7 et 8 définissent, par les points de contact avec le sol S, un polygone d'appui ou de sustentation par le centre duquel passe un axe vertical X-X'. Les roues 7 peuvent être, avantageusement, associées à des moteurs électriques d'entraînement en rotation réversible, non représentés, susceptibles d'être alimentés à partir d'une source embarquée, également non représentée.Such a chair 1 comprises a frame 2 , composed of two lateral half-frames 3 and 4 , joined together by crosspieces 5 and 6 . The chassis 2 is provided, in a generally known manner, with wheels 7 , generally carrying, main and driving wheels and 8 steerable, orientable via pivots 9 . The wheels 8 are generally, but not necessarily, placed at the front part of the frame 2 , while the load wheels 7 occupy the rear part. Wheels 7 and 8 define, by the points of contact with the ground S , a polygon of support or levitation by the center of which passes a vertical axis X-X ' . The wheels 7 may advantageously be associated with reversible rotary drive electric motors, not shown, which may be powered from an onboard source, also not shown.

Le châssis 2 supporte une structure articulée 10, maintenant une assise A, un dossier D et un repose pieds R, organisée pour pouvoir occuper un état stable replié, correspondant à une position dite d'assise, telle qu'illustrée par la fig. 1 et un état stable déplié, correspondant à une position de verticalisation, telle qu'illustrée par la fig. 2. Dans ces deux positions et par des moyens connus de la technique et non représentés, la structure articulée est apte à supporter un handicapé ou invalide dans une position assise et dans une position verticalisée respectivement. On notera que, en position de verticalisation, la structure articulée 10 se trouve sensiblement alignée avec l'axe vertical X-X' et est recentrée par rapport à sa situation en position d'assise.The frame 2 supports an articulated structure 10 , maintaining a seat A , a backrest D and a footrest R , organized to be able to occupy a folded stable state, corresponding to a so-called seat position, as illustrated in FIG. 1 and an unfolded stable state, corresponding to a vertical position, as shown in FIG. 2 . In these two positions and by means known in the art and not shown, the articulated structure is able to support a disabled or invalid in a sitting position and in a vertical position respectively. Note that, in vertical position, the articulated structure 10 is substantially aligned with the vertical axis X-X ' and is recentered with respect to its situation in the sitting position.

La structure articulée 10 est liée au châssis 2 par des moyens de support et de manoeuvre 11. La structure articulée 10 comprend une structure 12 de support de l'assise A. La structure de support 12 est, selon l'exemple illustré, constituée par deux systèmes articulés latéraux 13, symétriques par rapport à un plan sagittal P et qui sont plus particulièrement visibles aux fig. 3 et 4. Chaque système articulé 13 est destiné à être adapté latéralement sur le châssis 2, par exemple au niveau de chacun des demi-châssis 3 et 4 par l'intermédiaire de deux ensembles latéraux 14, constitutifs des moyens de support et de manoeuvre 11.The articulated structure 10 is connected to the chassis 2 by means of support and maneuvering 11 . The articulated structure 10 comprises a structure 12 for supporting the seat A. The support structure 12 is, according to the illustrated example, constituted by two lateral articulated systems 13 , symmetrical with respect to a sagittal plane P and which are more particularly visible in FIGS. 3 and 4 . Each articulated system 13 is intended to be laterally adapted to the frame 2 , for example at each of the half-frames 3 and 4 by means of two lateral assemblies 14 constituting the support and operating means 11 .

Chaque système articulé 13 comprend un premier quadrilatère déformable 17, constitué de barres supérieure 18 et inférieure 19, bien qu'elles ne soient pas disposées, dans les représentation illustrées fig. 1 à 4, dans un même plan vertical. Les barres 18 et 19 sont réunies, au niveau de leur partie terminale postérieure, par un élément ou une pièce d'écartement postérieure 20, à laquelle elles sont reliées par des pivots 201, 202 . Les barres 18 et 19 sont, en outre, réunies, au niveau de leurs parties terminales avant ou frontale, par une pièce d'écartement antérieure 21 à laquelle elles sont reliées par des pivots 211, 212 .Each articulated system 13 comprises a first deformable quadrilateral 17 , consisting of upper and lower bars 18 and 19 , although they are not arranged, in the representations illustrated in FIG. 1 to 4 , in the same vertical plane. The bars 18 and 19 are joined, at their posterior terminal part, by a rear element or spacer 20 , to which they are connected by pivots 20 1 , 20 2 . The bars 18 and 19 are further joined at their front or front end portions by an anterior spacer 21 to which they are connected by pivots 21 1 , 21 2 .

Ainsi, les barres inférieures 19 et supérieures 18 et leurs points d'articulation respectifs 201, 211, 202, 212 définissent les grands côtés supérieurs GS et inférieurs GI , tandis que la pièce d'écartement postérieure 20 définit un petit côté postérieur PP du premier quadrilatère, la pièce d'écartement antérieure 21 définissant un petit côté antérieur PA , comme cela ressort de la fig. 1.Thus, the lower bars 19 and upper 18 and their respective hinge points 20 1 , 21 1 , 20 2 , 21 2 define the long upper sides G S and lower G I , while the rear spacer 20 defines a small posterior side P P of the first quadrilateral, the anterior spacer 21 defining a small anterior side P A , as is apparent from FIG. 1 .

La structure articulée 10 comprend, en outre, une structure 25 de support du repose-pieds R qui comprend un jambage ou montant 27, destiné à supporter deux palettes 28 formant le repose-pieds. Le montant 27 est relié, de manière rigide, aux pièces d'écartement antérieures 21 par l'intermédiaire de traverses 29.The articulated structure 10 further comprises, a support structure 25 of the footrest R which comprises a jamb or upright 27, for supporting two pallets 28 forming a footrest. The upright 27 is rigidly connected to the anterior spacers 21 via sleepers 29 .

La structure articulée 10 comprend enfin une structure 30 de support du dossier D. la structure 30 comprend deux montants 35, chacun articulé sur le premier quadrilatère 17, au niveau du pivot 201 de la pièce d'écartement postérieure 20. Selon l'exemple illustré, les montants de dossier 35 sont, par ailleurs, reliés par une traverse 36. La structure de support du dossier 30 comprend, également, un vérin motorisé 37 reliant la traverse 36 aux pièces d'écartement postérieures 20 et permettant un réglage de l'inclinaison des montants 35 et donc du dossier.The articulated structure 10 finally comprises a structure 30 for supporting the file D. the structure 30 comprises two uprights 35 , each articulated on the first quadrilateral 17, at the pivot 20 1 of the rear spacer 20. According to the illustrated example, the backrest posts 35 are, moreover, connected by a crosses 36 . The support structure of the backrest 30 also includes a motorized jack 37 connecting the crossmember 36 to the rear spacers 20 and allowing adjustment of the inclination of the uprights 35 and thus the backrest.

Afin de permettre un passage de la structure articulée 12 de la position d'assise, telle qu'illustrée à la fig. 1, à la position de verticalisation ou debout, telle qu'illustrée à la fig. 2, les moyens de support et de manoeuvre 11 comprennent, tout d'abord, les deux ensembles latéraux 14 qui relient chacun un ensemble latéral 13 à des moyens 10 de support de l'assise au châssis. Chaque ensemble latéral 14 comprend un second quadrilatère déformable composé de deux bielles, dites respectivement inférieure 40 et supérieure 41, bien qu'elles ne soient pas situées dans un même plan vertical. Chaque bielle inférieure 40 est alors liée, d'une part, au châssis 2 par l'intermédiaire d'un pivot 42 et, d'autre part, à la barre inférieure 19 par l'intermédiaire d'un pivot 43. De la même manière, chaque bielle supérieure 41 est liée, d'une part, au châssis 2 par l'intermédiaire d'un pivot 44 et, d'autre part, à la barre supérieure 18 par l'intermédiaire d'un pivot 44. Les moyens de support et de manoeuvre 11 comprennent un ensemble de manoeuvre 50, interposé entre le châssis 2 et la structure 12 de support de l'assise. Ainsi, l'ensemble de manoeuvre 50 comprend un palonnier 51, articulé sur une traverse 52 solidaire du châssis et liée, au niveau de l'une de ses extrémités, par un pivot 53 à une traverse 54 reliant les deux barres inférieures 19. L'ensemble de manoeuvre 50 comprend, également, un vérin motorisé 55 articulé, d'une part, par un pivot 56 sur l'extrémité du palonnier 51 opposée au pivot 53 et, d'autre part, par un pivot 57 à un bras 58 solidaire de la traverse 54. Ainsi, les pivots 52, 53, 57 et 56 forment un quadrilatère déformable par allongement ou raccourcissement du côté formé par le vérin motorisé 55.In order to allow a passage of the articulated structure 12 of the seating position, as illustrated in FIG. 1 , in the standing or standing position, as illustrated in FIG. 2 , the support and operating means 11 comprise, firstly, the two lateral assemblies 14 which each connect a lateral assembly 13 to means 10 for supporting the seat to the frame. Each lateral assembly 14 comprises a second deformable quadrilateral composed of two connecting rods, respectively lower 40 and upper 41 , although they are not located in the same vertical plane. Each lower link 40 is then linked, on the one hand, to the frame 2 by means of a pivot 42 and, on the other hand, to the lower bar 19 via a pivot 43 . In the same way, each upper link 41 is connected, on the one hand, to the frame 2 via a pivot 44 and, on the other hand, to the upper bar 18 via a pivot 44 . The support and operating means 11 comprise an operating assembly 50, interposed between the frame 2 and the support structure 12 of the seat. Thus, the maneuvering assembly 50 comprises a spreader 51 articulated on a crossmember 52 secured to the chassis and connected at one of its ends by a pivot 53 to a crossmember 54 connecting the two lower bars 19 . The maneuvering assembly 50 also comprises a motorized jack 55 articulated, on the one hand, by a pivot 56 on the end of the spreader 51 opposite the pivot 53 and, on the other hand, by a pivot 57 to an arm 58 secured to the cross 54 . Thus, the pivots 52, 53, 57 and 56 form a deformable quadrilateral by elongation or shortening of the side formed by the motorized jack 55 .

Le fauteuil 1 comprend, enfin, des accoudoirs 60, fixés aux montants 35 et susceptibles de former un élément de maintien thoracique. Le fauteuil 1 comprend, également, des moyens de maintien bas 61, formés par des genouillères ou coquilles 62 fixées au pièces d'écartement antérieur 21 et conformées pour emboîter les genoux ou le bas des cuisses, juste au-dessus des genoux, d'un utilisateur du fauteuil.The armchair 1 comprises, finally, armrests 60 , fixed to the uprights 35 and capable of forming a chest support element. The chair 1 also comprises low holding means 61 , formed by kneepads or shells 62 fixed to the anterior spacing pieces 21 and shaped to fit the knees or the lower thighs just above the knees, a wheelchair user.

Lorsqu'un utilisateur assis dans le fauteuil 1 souhaite, à partir d'une position assise correspondant à la fig. 1, passer en position debout ou verticalisée, telle qu'illustrée à la fig. 2, il commande le fonctionnement du vérin électrique 55 qui, par son allongement, entraîne la verticalisation de la structure articulée 10. A la fin de ce mouvement, le montant 27 des moyens de support 25 du repose-pieds R viennent en appui contre le châssis 2. Selon une caractéristique essentielle de l'invention, le fauteuil 1 comprend des moyens 65 de réglage qui permettent de déterminer l'amplitude du mouvement du montant 27 pendant la course de verticalisation et donc l'angle α entre le montant 27 et la barre supérieure 18 dans la position de verticalisation de la structure articulée 10. Les moyens de réglage 65 sont, selon l'exemple illustré, formés par une vis dont l'extension est réglable et sur laquelle le montant 27 vient en appui. Ainsi, par le réglage de la vis, il est possible de régler la valeur de l'angle α en position de verticalisation et donc l'amplitude de la rotation du montant 27 par rapport aux barres supérieures 18 lors de la verticalisation. Les moyens 65 permettent, selon leur réglage, d'obtenir une flexion plus ou moins importante des jambes de l'utilisateur en position verticalisée. Ce réglage de la flexion permet de déterminer la manière dont les jambes de l'utilisateur viennent en appui dans les coquilles 62, ce qui permet, d'une part, de s'assurer de la stabilité de la position de l'utilisateur et, d'autre part, de donner un sentiment de confiance à l'utilisateur. Par ailleurs, il est possible, en agissant sur le vérin électrique 37, de modifier l'inclinaison du dossier et donc du torse de l'utilisateur, ce qui permet d'améliorer le confort de ce dernier.When a user sitting in the chair 1 wishes, from a sitting position corresponding to FIG. 1 , move to standing or standing position, as shown in fig. 2 , it controls the operation of the electric cylinder 55 which, by its elongation, causes the verticalization of the articulated structure 10 . At the end of this movement, the amount 27 of the support means 25 of the footrest R bear against the frame 2 . According to an essential characteristic of the invention, the chair 1 comprises adjustment means 65 which make it possible to determine the amplitude of the movement of the upright 27 during the verticalization stroke and therefore the angle α between the upright 27 and the upper bar 18 in the position of verticalization of the articulated structure 10 . The adjustment means 65 are, according to the illustrated example, formed by a screw whose extension is adjustable and on which the amount 27 bears. Thus, by adjusting the screw, it is possible to adjust the value of the angle α in the vertical position and therefore the amplitude of the rotation of the upright 27 relative to the upper bars 18 during verticalization. The means 65 allow, according to their setting, to obtain a greater or lesser flexing of the legs of the user in a vertical position. This adjustment of the flexion makes it possible to determine the way in which the legs of the user come to bear in the shells 62 , which makes it possible, on the one hand, to ensure the stability of the user's position and, on the other hand, to give a feeling of confidence to the user. Furthermore, it is possible, by acting on the electric cylinder 37 , to change the inclination of the backrest and therefore the torso of the user, which improves the comfort of the latter.

Il sera remarqué que, dans la forme de réalisation préférée illustrée, le fauteuil 1 comprend, en outre, des moyens de stabilisation 70 qui sont mobiles entre une position de rétraction, telle qu'illustré à la fig. 1, et une position d'extension, telle qu'illustré à la fig. 2, dans laquelle ils s'étendent à l'opposé du repose-pieds R et viennent en appui sur le sol S. Les moyens 70 sont commandés pour être en position de rétraction lorsque la structure articulée 10 est en position d'assise, tandis que, quand la structure articulée 10 est en position de verticalisation, les moyens 70 sont en position d'extension en appui sur le sol.It will be appreciated that, in the preferred embodiment illustrated, the chair 1 further comprises stabilizing means 70 which are movable between a retracted position, as illustrated in FIG. 1 , and an extension position, as illustrated in FIG. 2 , in which they extend opposite the footrest R and rest on the ground S. The means 70 are controlled to be in the retracted position when the articulated structure 10 is in the sitting position, whereas, when the articulated structure 10 is in the vertical position, the means 70 are in the extended position bearing on the ground.

Bien entendu, diverses modifications peuvent être apportées à l'invention sans sortir de son cadre.Of course, various modifications can be made to the invention without departing from its scope.

Claims (7)

- Fauteuil verticalisateur pour handicapés et invalides, comprenant un châssis (2) supportant une structure articulée (10) comprenant une structure (12) de support d'une assise, une structure (25) de support d'un repose-pieds, une structure de support (30) d'un dossier et des moyens (11) de support et de manoeuvre de la structure articulée qui sont interposés entre la structure articulée (10) et le châssis (2) et qui sont adaptés pour déplacer la structure articulée (10) d'une position d'assise à une position de verticalisation reculée par rapport à la position d'assise et inversement,
caractérisé en ce qu'il comprend des moyens (65) de réglage de l'angle (α) entre le repose-pieds et l'assise en position de verticalisation et de réglage de l'amplitude de la rotation relative entre la structure de support de l'assise et la structure de support du repose-pied lors de la verticalisation.- Chair for disabled and disabled, comprising a frame ( 2 ) supporting an articulated structure ( 10 ) comprising a structure ( 12 ) for supporting a seat, a structure ( 25 ) for supporting a footrest, a structure support ( 30 ) of a backrest and means ( 11 ) for supporting and maneuvering the articulated structure which are interposed between the articulated structure ( 10 ) and the frame ( 2 ) and which are adapted to move the articulated structure ( 10 ) from a sitting position to a retracted vertical position relative to the sitting position and vice versa,
characterized in that it comprises means ( 65 ) for adjusting the angle (α) between the footrest and the seat in the position of verticalization and adjusting the amplitude of the relative rotation between the support structure the seat and support structure of the footrest during verticalization. - Fauteuil verticalisateur selon la revendication 1, caractérisé en ce que les moyens de réglage (65) comprennent une butée réglable contre laquelle la structure de support (25) du repose-pieds vient en appui en position de verticalisation.- Stand chair according to claim 1, characterized in that the adjusting means ( 65 ) comprise an adjustable stop against which the supporting structure ( 25 ) of the footrest bears in the vertical position. - Fauteuil verticalisateur selon la revendication 1 ou 2, caractérisé en ce que : ■ la structure de support (12) de l'assise, qui comprend au moins un premier quadrilatère déformable (17) composé de deux barres, respectivement supérieure (18) et inférieure (19), définissant les grands côtés (GS, GI) du quadrilatère, articulées, d'une part, vers leurs parties avant sur une pièce d'écartement antérieure (21) correspondant au petit côté antérieur (Pa ) du quadrilatère et, d'autre part, vers leurs parties arrière par une pièce d'écartement postérieure (20), correspondant à un petit côté postérieur (PP ), ■ les moyens (11) de support et de manoeuvre de la structure articulée comprennent, d'une part, au moins un second quadrilatère déformable (14), composé de deux bielles, respectivement inférieure (40) et supérieure (41), la bielle supérieure (41) étant articulée à l'arrière sur le châssis (2) et à l'avant sur la barre supérieure (18) du premier quadrilatère et la bielle inférieure (40) étant articulée à l'arrière sur le châssis (2) et à l'avant sur la barre inférieure (19) du premier quadrilatère et, d'autre part, un vérin motorisé (55), interposé entre le châssis (2) et un élément (51) solidaire de la barre inférieure ou de la barre supérieure du premier quadrilatère, ■ la structure de support (25) du repose-pieds comprend au moins un montant (27) qui est lié à la pièce d'écartement antérieure (21) et qui vient, en position de verticalisation, en appui contre les moyens de réglage (65) formés par une butée solidaire du châssis (2), ■ et la structure de support (30) du dossier est articulée, à l'arrière, sur le premier quadrilatère (17), à l'opposé du repose-pieds, et comprend au moins un montant (35) supportant le dossier. Stand-up chair according to claim 1 or 2, characterized in that : ■ the support structure ( 12 ) of the seat, which comprises at least a first deformable quadrilateral ( 17 ) composed of two bars, respectively upper ( 18 ) and lower ( 19 ), defining the long sides (G S , G I ) of the quadrilateral, articulated, on the one hand, towards their front parts on an anterior spacer ( 21 ) corresponding to the small anterior side ( P a ) of the quadrilateral and, on the other hand, towards their rear parts by a piece posterior spacing ( 20 ), corresponding to a small posterior side ( P P ), The means ( 11 ) for supporting and maneuvering the articulated structure comprise, on the one hand, at least one second deformable quadrilateral ( 14 ), composed of two connecting rods, respectively lower ( 40 ) and upper ( 41 ), the connecting rod ( 41 ) being articulated to rearwardly on the frame ( 2 ) and at the front on the upper bar ( 18 ) of the first quadrilateral and the lower link ( 40 ) being articulated at the rear on the frame ( 2 ) and at the front on the lower bar ( 19 ) of the first quadrilateral and, secondly, a motorized jack ( 55 ) interposed between the frame ( 2 ) and a member ( 51 ) integral with the lower bar or upper bar of the first quadrilateral, ■ the support structure ( 25 ) of the footrest comprises at least one upright ( 27 ) which is connected to the anterior spacer ( 21 ) and which, in a vertical position, bears against the adjustment means ( 65 ) formed by an abutment integral with the frame ( 2 ), ■ and the support structure ( 30 ) of the backrest is hinged at the rear on the first quadrilateral ( 17 ), opposite the footrest, and comprises at least one upright ( 35 ) supporting the folder. - Fauteuil verticalisation selon la revendication 3, caractérisé en ce que : ■ les moyens de support (12) de l'assise comprennent deux ensembles latéraux comprenant chacun un premier quadrilatère déformable (17), composé de deux barres, respectivement supérieure (18) et inférieure (19), définissant les grands côtés (GS , GI ) du quadrilatère, articulées, d'une part, vers leurs parties avant sur une pièce d'écartement antérieure (21) correspondant au petit côté antérieur (Pa) du quadrilatère et, d'autre part, vers leurs parties arrière par une pièce d'écartement postérieure (20), correspondant à un petit côté postérieur (PP ), ■ et les moyens (11) de support et de manoeuvre de la structure articulée (10) comprennent deux ensembles latéraux (14) comprenant chacun un second quadrilatère déformable composé de deux bielles, respectivement inférieure (40) et supérieure (41), la bielle supérieure (41) étant articulée à l'arrière sur le châssis et à l'avant sur la barre supérieure (18) du premier quadrilatère de l'ensemble latéral correspondant de la structure de support de l'assise, et la bielle inférieure (40) étant articulée à l'arrière sur le châssis (2) et à l'avant sur la barre inférieure (19) du premier quadrilatère. - Upright chair according to claim 3, characterized in that : ■ the support means ( 12 ) of the seat comprise two lateral assemblies each comprising a first deformable quadrilateral ( 17 ), composed of two bars, respectively upper ( 18 ) and lower ( 19 ), defining the long sides ( G S , G I ) of the quadrilateral, articulated, on the one hand, towards their front parts on an anterior spacer ( 21 ) corresponding to the small anterior side (P a ) of the quadrilateral and, on the other hand, towards their rear parts by a posterior spacer ( 20 ), corresponding to a small posterior side ( P P ), And the means ( 11 ) for supporting and operating the articulated structure ( 10 ) comprise two lateral assemblies ( 14 ) each comprising a second deformable quadrilateral composed of two connecting rods, respectively lower ( 40 ) and upper ( 41 ), the connecting rod upper arm ( 41 ) being articulated at the rear on the chassis and at the front on the upper bar ( 18 ) of the first quadrilateral of the corresponding lateral assembly of the support structure of the the seat, and the lower link ( 40 ) being hinged at the rear on the frame ( 2 ) and at the front on the lower bar ( 19 ) of the first quadrilateral. - Fauteuil verticalisateur selon la revendication 3 ou 4, caractérisé en ce que le montant (27) de la structure de support du repose-pieds est lié, de manière rigide, à la ou aux pièces d'écartement antérieures (21).- Upright armchair according to claim 3 or 4, characterized in that the amount ( 27 ) of the support structure of the footrest is rigidly connected to the anterior spacer (s) ( 21 ). - Fauteuil verticalisateur selon l'une des revendications 1 à 5, caractérisé en ce qu'il comprend des moyens de stabilisation (70) qui sont mobiles entre une position de rétraction et une position d'extension dans laquelle ils s'étendent à l'opposé du repose-pieds et viennent en appui sur le sol et qui sont commandés pour être, d'une part, en position d'extension, lorsque la structure articulée est en position de verticalisation et, d'autre part, en position de rétraction lorsque la structure articulée est en position d'assise.Stand -up chair according to one of claims 1 to 5, characterized in that it comprises stabilizing means ( 70 ) which are movable between a retracted position and an extended position in which they extend to the opposite the footrest and bear against the ground and which are controlled to be, on the one hand, in the extended position, when the articulated structure is in the vertical position and, on the other hand, in the retracted position when the articulated structure is in a sitting position. - Fauteuil verticalisateur selon l'une des revendications 1 à 6, caractérisé en ce que la structure de support (30) du dossier comprend un vérin motorisé (37) qui est articulé sur la structure de support de l'assise (12) et qui permet un réglage de l'inclinaison du dossier. - Upright armchair according to one of claims 1 to 6, characterized in that the support structure ( 30 ) of the backrest comprises a motorized cylinder ( 37 ) which is articulated on the support structure of the seat ( 12 ) and which allows adjustment of the inclination of the backrest.
EP06120679A 2005-09-20 2006-09-14 Standing-up aid with means to set the inclination of the footrest in vertical position Not-in-force EP1764070B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509588A FR2890855B1 (en) 2005-09-20 2005-09-20 VERTICALIZING SEAT WITH MEANS FOR ADJUSTING THE INCLINATION OF THE FOOTREST IN A VERTICALIZED POSITION.

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EP1764070A2 true EP1764070A2 (en) 2007-03-21
EP1764070A3 EP1764070A3 (en) 2007-12-05
EP1764070B1 EP1764070B1 (en) 2012-11-07

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EP (1) EP1764070B1 (en)
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EP3245995A1 (en) * 2016-05-18 2017-11-22 Vassilli s.r.l. Wheelchair with a compact seat travel system
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Also Published As

Publication number Publication date
FR2890855A1 (en) 2007-03-23
EP1764070A3 (en) 2007-12-05
US20070063480A1 (en) 2007-03-22
US7815209B2 (en) 2010-10-19
FR2890855B1 (en) 2007-12-14
EP1764070B1 (en) 2012-11-07

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