EP0911009B1 - Fauteuil roulant avec cadre fermé en trois dimensions - Google Patents

Fauteuil roulant avec cadre fermé en trois dimensions Download PDF

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Publication number
EP0911009B1
EP0911009B1 EP98123670A EP98123670A EP0911009B1 EP 0911009 B1 EP0911009 B1 EP 0911009B1 EP 98123670 A EP98123670 A EP 98123670A EP 98123670 A EP98123670 A EP 98123670A EP 0911009 B1 EP0911009 B1 EP 0911009B1
Authority
EP
European Patent Office
Prior art keywords
seat
wheelchair
longitudinal
accordance
support
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.)
Expired - Lifetime
Application number
EP98123670A
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German (de)
English (en)
Other versions
EP0911009A1 (fr
EP0911009B2 (fr
Inventor
Rainer Küschall
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.)
Kueschall AG
Original Assignee
Kueschall Design AG
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Publication date
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Application filed by Kueschall Design AG filed Critical Kueschall Design AG
Publication of EP0911009A1 publication Critical patent/EP0911009A1/fr
Application granted granted Critical
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Publication of EP0911009B2 publication Critical patent/EP0911009B2/fr
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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
    • 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
    • A61G5/0866—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable folding down backrest, e.g. where the backrest folds down onto the seat support
    • 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
    • A61G5/0891—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having rigid supports, e.g. seat or back supports which retain their shape after folding of the wheelchair
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1091—Cushions, seats or abduction 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
    • A61G5/1097—Camber- or toe-adjusting means for the drive wheels
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
    • 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
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/107—Arrangements for adjusting the seat positioning the whole seat forward or rearward
    • 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
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards
    • 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

Definitions

  • the present invention relates to a wheelchair.
  • Conventional wheelchairs have two pairs of wheels, namely a pair of rear wheels two large, manually drivable rear wheels and a pair of front wheels with two essentials smaller front wheels arranged on the side of the wheelchair, the axles of which are in can rotate a horizontal plane around a pivot point.
  • These wheelchairs are general collapsible and have cross members made of two articulated Parts, each of which is hinged to a side member. When collapsing these wheelchairs are therefore reduced in width.
  • the disadvantage of this collapsible Wheelchairs lie in their due to the many articulated connections insufficient rigidity.
  • EP-0 887 064-A2 which forms a state of the art under Article 54 (3) EPC, describes, for example, a wheelchair of the type mentioned at the beginning; whose frame is closed and therefore relatively rigid.
  • This frame consists of a front horizontal cross member at foot level of the user, a rear horizontal cross member which is formed by an axle tube of the rear wheel pair, and two L-shaped side members, each of which connects one end of the front cross member to one end of the rear cross member, each side support has an upright leg and a longitudinal leg.
  • a front wheel device with a single central front wheel or with two spaced front wheels is attached to the front cross member.
  • This wheelchair has a high degree of rigidity and, thanks to the front wheel device which is generally arranged in the central region of the front cross member, is easy to turn and easy to maneuver. It is mainly used as a sports wheelchair.
  • the main disadvantage of this wheelchair is its low stability against tipping; it is therefore less suitable for everyday use and is considered unsuitable for severely disabled and older users.
  • a wheelchair is known from EP-0 255 804-A2 , which has a front cross member at foot height, two side members and a rear cross member in the form of an axle tube for a pair of rear wheels.
  • the side carriers are I-shaped and consist of an upright leg, to which a front wheel is attached, and an adjoining rearward side leg.
  • the rear side leg is connected in its rear area to the rear cross member via a support element and a holding device.
  • the intermediate piece is accommodated in the holding device so as to be adjustable in height. In this way, a frame is obtained which, although closed, does not have sufficient rigidity because of the non-rigid connection of the support element and the holding device.
  • the object of the invention is thus seen in the above-mentioned wheelchair to improve that he has a high level of stability while maintaining rigidity and thus has improved lateral tilt stability so that it is safe even from heavy Disabled and elderly disabled can be used.
  • the new wheelchair thus has a closed frame on, but is thanks to the attached to the front wheel carriers at a large mutual distance Front wheels significantly more stable and laterally more stable.
  • Another advantage of the new wheelchair is that it gives you the opportunity to Front wheel carriers to be arranged relatively far above the ground, so that front wheels are relatively Large diameter can be used, which makes driving on uneven Underground and climbing stairs is made easier.
  • front wheels can have different Diameters.
  • a weight-saving is achieved through a rigidly welded front suspension at the front, which makes the wheelchair easier to maneuver.
  • the front wheel carriers can be in different positions relative to the longitudinal median plane of the wheelchair on the upright legs of the side beams be attached.
  • the front wheel carriers can be parallel or inclined, respectively forwards or backwards, or laterally across the longitudinal median plane of the wheelchair extend, each of these arrangements certain advantages but also certain disadvantages offers.
  • Also extending far forward Front wheel carriers increase stability.
  • a disadvantage of these arrangements are the lower turning ability and the risk of such protruding front wheel carriers Touch objects in the vicinity of the wheelchair and thereby a disability for form the wheelchair movement.
  • front wheel carriers At forward-facing front wheel carriers generally have a larger footprint than backwards directed front wheel carriers, and also the foot area of the user against Injuries are protected if the front wheels are the foremost and where appropriate form the side of the wheelchair. This is accompanied by a reduction in Ease of turning and an aggravation of handling because of the danger with the front wheels to toast.
  • front wheel carriers directed forward and slightly towards the median longitudinal plane you get a very large footprint as well as good turning ability and avoids the collision of the front wheels with the environment, but such front wheel carriers can be unfavorable for the arrangement of the footrest.
  • front wheel carriers tried and tested which are directed slightly backwards inwards, making it even more sufficient Stability maintains good turning ability and prevents front wheel collisions.
  • the position of the front wheel carriers can be in relation to the longitudinal median plane of the wheelchair also be adjustable.
  • the attachment should be free of play and yourself do not loosen in use.
  • this increases the weight of the wheelchair and it becomes less easy to turn because the additional weight is relatively large Distance from the center of gravity of the wheelchair.
  • front wheel carriers are height adjustable on the upright legs of the side carriers are fixed, you also get the opportunity to coordinate with changing requirements To mount front wheels with different diameters.
  • the front cross member can be made integrally with the two side members. It has but it has proven to be favorable to design the front cross member so that it is on both sides an extending in the direction of the subsequent upright leg of the side member Approach, over which it is adjustable in height on this upright Leg is attached.
  • the height adjustment of the front cross member is particularly necessary if a footrest is formed on it.
  • the footrest can also be used on the upright Legs of the side carrier must be attached.
  • a footrest integrated in the frame allows a foot position in which the user's knees are less bent and consequently the feet are arranged further forward.
  • the bearings for the rear wheels are located in the rear wheel hub and are designed so that the rear wheels are mounted in a known manner with thru axles in angle adapter sleeves and are therefore easy to disassemble.
  • the angle adapter sleeves are in the assembled state for the axles of the rear wheels, which are generally designed as thru axles, transversely towards the direction of travel and slightly upwards to the side so that the wheels, like wheelchairs are usually arranged under a certain camber.
  • the rear crossmember, with the angle adapter sleeves attached in it be turned until it occupies the position in which the angle adapter sleeves are directed correctly, occupies its correct position; for this purpose on a spirit level must be installed in the rear crossmember.
  • the angular camber aligns on the one hand according to the dimensions of the wheelchair and on the other hand according to the respective Intended use of the wheelchair and is therefore preferably changeable.
  • To change of the wheel camber can be fixed angle bracket sleeves, which are in the rear cross member are pressed in and which contain the angle adapter sleeves for the axles of the rear wheels, be replaced in pairs.
  • the camber can be adjusted by means of such Angle adapter sleeves according to the invention can be changed between 0 ° and about 15 °.
  • a bike is a device with a front wheel, a drive and a steering.
  • the wheelchair is attached to the bike and forms together with the bike a drivable unit.
  • This unit runs on three wheels, namely the wheel of the bike, which forms a front wheel, and the rear racks of the wheelchair, which form rear wheels.
  • This arrangement is for wheelchairs Conventional conception has a certain disadvantage, namely the tendency of the wheelchair and thus the unit to tip backwards.
  • the wheelbase that is the mutual Distance between the front axle of the bike and the rear wheel pair of the wheelchair, increased.
  • the rear wheels and their attachment are designed so that the rear wheels between a front position in which they are when using the wheelchair without a bike and a rear position in which the wheelchair is less likely to tip over and so that it is suitable for biking.
  • the enlargement of the wheelbase can be achieved, for example, that the rear ends of the longitudinal legs have a rearwardly extending extension part on which the rear crossmember or the axle tube can be attached in different positions.
  • the axle tube will not be in its foremost position Position attached in a rear position. If there are multiple attachment points are provided for the additional side members, the wheelbase can optionally in certain Limits are adjusted. When using the wheelchair without a bike, they work under the Extension parts arranged on the seat surface are not disturbing. The wheelbase can be used for improvement the tilt safety can of course also be increased without the wheelchair coupled with a bike, however, this must deteriorate maneuverability to be accepted.
  • the seat of the wheelchair is located between the longitudinal legs of the side beams and can be attached to it.
  • the seat is in a particularly advantageous embodiment but attached to two additional side rails, and the rear facing Longitudinal legs of the side beams are directed slightly downwards.
  • a seat stay device is arranged; this has two seat stays, each pivotable at a pivot point on one of the Seat longitudinal member is attached and in selectable effective seat stay length on the longitudinal leg the side member of the frame is attached.
  • the seat side member and the seat stay are each a triangle in a vertical plane.
  • the maximum backward tilt that the seat can take is through determines the slope of the side member's longitudinal legs, and the maximum slope downwards, which the seat can take up, is determined by the length of the seat stays.
  • length-adjustable seat stays possibly with fluid-operated cylinder / piston devices or with spindles that could be used becomes an easy one Embodiment of the wheelchair designed according to the invention so that the seat stays have a large number of bores over their length.
  • Are preferred several possible attachment points of the seat side members at the front ends of the Longitudinal legs of the side members of the frame are provided in the longitudinal direction.
  • the seat with the two seat side members by a part of a removable from the frame Seat module formed.
  • the seat module usually includes a back next to the actual seat, whereby preferably only the seat is attached to the frame of the wheelchair while the back is in turn mounted on the seat, preferably so that the angle between the seat and Back is adjustable, ideally so far that the back can be folded down onto the seat can reduce the transport volume of the wheelchair.
  • the seat side members are preferred for increasing stability connected by at least one seat cross member, and in a particularly suitable Embodiment form the seat side members and a rear seat cross member a U-shaped seat frame, which is provided by a further, provided in its front area, bulging seat reinforcement beam can be reinforced. Since the Wheelchair despite the described possibility of folding the back no under Is collapsible folding wheelchair width reduction, the seat can be rigid. However, preference is also given to the present fixed wheelchair according to the invention a flexible material such as a fabric section is used for the seat, on which there is generally a replaceable seat cushion. One designed as a wedge pillow Seat cushion allows further influence on the inclination of the seat.
  • the seat module comprises the seat just described and the Back that is attached to the seat without being directly connected to the frame of the wheelchair to be.
  • the back has two lateral, mostly tubular back supports, the lower ends of which are via angle plates at the rear the seat side members are attached; a certain adjustability can be achieved by drilling different holes for fastening the angle plates, be it in the angle plates and / or provided in the seat side members and / or in the back supports become.
  • the angle plates are fastened so that they are around their two fastening axes can rotate on the seat side member and on the back support.
  • Fixing plates are provided, which are firmly attached to the seat side members and the slit-shaped Breakthroughs contain, through which pins of the back supports protrude.
  • the fixing plates If the back is not folded onto the seat, form angle braces between the seat rails and the back supports.
  • the breakthroughs point to their rear Ends transversely to them and with the back not folded up, locking openings directed upwards for the cones on.
  • the slightly elastic fixing plates are at their rear ends connected by a cord.
  • the fixing plates can also be used to fasten clothing protection plates on the side be that can be screwed to the fixing plates, or to attach a Splash guard.
  • the wheel splash guard is preferably designed such that it is attached to its a slightly resilient surface facing away from the user, in different positions has mountable wheel guard, so that the wheel splash guard is tool-free on the fixing plate or, if necessary, can be plugged onto the clothing protection plate, so that in the assembled Condition the fixing plate or the clothing protection plate between the actual one Splash guard and the wheel guard is clamped.
  • the two side back supports are preferably bent out to the rear Cross member connected. This can also act as a handle for pushing the wheelchair serve by a third party and facilitate the exercise of the drawstring just mentioned, when the crossbar and the cord are gripped with the same hand.
  • Push handles are attached, which are preferably adjustable in height.
  • a rigid material or a Tissue section can be provided.
  • a rigid material or a Tissue section can be provided.
  • the back can also be equipped with a back cushion his.
  • a back cushion can, for example, two connected, front and have back cushion parts lying against the connection of the back supports and put over the connection of the back straps from above. But there are differently shaped back cushions, for example with only one back cushion part, are also possible.
  • a textile back cushion tab on the front part of the back cushion be set to lie between the fabric of the seat and the seat cushion is coming.
  • the back cushion can also have a pocket on its rear part.
  • the wheelchair 10 shown in FIGS. 1, 2A and 2B has a frame 12 which is formed by a front horizontal cross member 12.1, two side members 12.2, 12.3 arranged symmetrically to its longitudinal central axis and by a rear, essentially horizontal cross member 14 .
  • the side supports have the shape of an L, with an upright leg 12.2 and a rearward-pointing longitudinal leg 12.3 adjoining the top at about the height of the seat.
  • the upright legs 12.2 are generally not exactly vertical but slightly inclined backwards, and they are usually connected by a calf band, not shown.
  • the front cross member 12.1 is located a little above the floor, that is to say at a user's foot level.
  • the rear cross member 14 is formed by an axle tube for a pair of rear wheels with two wheels 18 of the wheelchair, the axle brackets 16 serving to connect the axle tube 14 to the rear ends of the longitudinal legs 12.3 .
  • the side beams 12.2, 12.3 and the front cross beam 12.1 are generally made of curved tubular material.
  • the front cross member 12.1 is bent on both sides by approximately 90 ° or has correspondingly directed lugs 12.4 which extend in the direction of the adjacent upright legs 12.2 of the side members and are attached to these in an adjustable manner;
  • the bent ends of the crossbeam 12.1 protrude into these upright legs 12.2, but the reverse arrangement would also be conceivable, in which the lower ends of the legs 12.2 would protrude into the correspondingly directed bent ends 12.4 of the crossbeam 12.1 .
  • the rear wheels 18 are attached laterally to the axle tube or to the rear cross member 14 by means of angle adapter sleeves 20.1 or 20.2 or 22 shown in FIGS . 3A, 3B, 4A, 4B .
  • Each angle adapter sleeve 20.1 or 20.2 or 22 de with a part of its length in one of the open ends of the rear cross member is pressed 14 and protrudes with its remaining length of the rear cross member 14 forms a bearing for a received therein, not shown Thru axle with which a rear wheel 18 is attached.
  • the angle adapter sleeve shown in FIG. 3A results in a minimum camber of 0 °, and the angle adapter sleeve shown in FIG. 3B gives a camber in the range of approximately 15 °, which corresponds approximately to the maximum value in this construction of the angle adapter sleeve.
  • the angle adapter sleeve 22 has a cylindrical part 22.1 with a bearing bore 22.2 and an asymmetrical extension 22.3 directed obliquely to the axis of the bearing bore 22.2 .
  • the cylindrical part 22.1 runs through a bearing cylinder 22.4 which is rotatably mounted in the rear cross member or axle tube 14 via an axle tube insert 22.5 .
  • the asymmetrical extension 22.3 is supported by a further axle tube insert 22.6 and a cross shaft 22.7 in the rear cross member or axle tube 14 .
  • a plunger 22.8 which can be actuated via an eccentric lever 22.9 , presses the asymmetrical extension 22.3 downward against the force of a spring in the assembled position. Removed the punch can Anlagenb brought 22.8 under the force of the spring from the eccentric approach 22.3, so that the angle adapter sleeve 22 in a different position by a pivoting of the eccentric lever 22.9 in which it is fixed by renewed rotation of the eccentric lever 22.9 in this new position again .
  • the rear cross member 14 or the axle tube with the pressed-in angle adapters 20.1, 20.2 or 22 must be set so that the bearings and thus the ones not shown Thru axles of the rear wheels 18 , which must be directed slightly upwards in accordance with the desired camber, are located exactly in a transverse plane to the longitudinal center plane of the wheelchair 10 .
  • a spirit level is attached to the latter.
  • the rear wheels 18 can be manually driven in the usual way by means of gripping rings 19 attached to them and concentric with them.
  • Two non-drivable front wheels 24 of a pair of front wheels are rotatably mounted on front wheel carriers 25 , which are fastened to the upright legs 12.2 of the side carriers.
  • the diameter of the front wheels 24 is, as usual, significantly smaller than the diameter of the rear wheels 18, but the front wheels 24 can have a relatively large diameter if the front wheel carriers 25 are arranged high enough.
  • Each front wheel 24 is supported in a fork 26 .
  • the fork 26 has at its upper end a vertical pivot which is rotatably received in a pivot bearing 28 which is fastened to the upright leg 12.2 via the front wheel support 25.
  • the front wheel support 25 is directed backwards and towards the longitudinal center plane of the wheelchair 10 .
  • the two ends of the fork 26 have bores 33 in pairs at two or more heights for receiving a front wheel axle 32 , so that the front wheel 24 can be installed at different heights, as a result of which the inclination of the entire wheelchair 10 can be changed. Another possibility for changing the inclination of the entire wheelchair 10 is obtained by installing smaller or larger front wheels 24 .
  • Fig. 5 shows a footrest 40 , which consists essentially of a bracket 42 attached to the front cross member 12.1 for parking the user's feet; the height of the cross member 12.1 relative to the upright legs 12.2 of the side members allows the height of the footrest 40 to be adjusted.
  • FIG. 6 shows a differently designed footrest 40 , which is formed by a U-shaped part 44 with a bow-like extension 46 fastened to the upright parts of the side supports 12.2 so as to be height-adjustable.
  • the wheelchair 10 also has a braking device which is formed by two braking units 34 .
  • the brake units are of opposite design and are mirror-symmetrically attached to the front area of the longitudinal beams 12.3 . 7 to 9 show three different, known embodiments of a brake unit 34 or 36 or 38 and need no further explanation.
  • This seat module 50 essentially consists of a seat 52 and a back 54 .
  • the seat 52 has two parallel longitudinal seat supports 56 which, together with a rear seat cross member 58 visible in FIG. 13 , form a U-shaped seat frame made from a correspondingly bent tube, which is curved in FIG. 13 by a further, curved downward partially visible seat cross member 60 is reinforced.
  • each of the seat side members 56 has an attachment with a fastening tab 66 , which contains a bore which is provided for receiving a screw, by means of which the front end of the seat side member 56 in one of several bores 68 visible in FIG. 1 front end of the longitudinal leg 12.3 of the side member of the wheelchair 10 is attached.
  • each seat stay 72 forms a pair of seat stays and are parallelized by a crossbar arrangement connecting them, not shown.
  • Each seat strut 72 has a plurality of bores 76 , which are provided for receiving a screw, not shown, by means of which the seat strut 72 is fastened to the rear end of the associated longitudinal leg 12.3 of the side carrier.
  • the effective length of the seat struts 72 and thus the angle of inclination of the seat surface 64 is determined by the respective selection of the bore 76 for the screw mentioned, the maximum inclination of the seat surface 64 being somewhat less than the inclination of the longitudinal legs 12.3 of the side carriers.
  • the back 54 has two lateral back supports 80 which are fixed to the seat side members 56 by means of angle plates 81, the angle between the back 54 and the seat surface is adjustable 64th
  • the two back supports 80 are connected to one another by a crossbar 82 which is curved to the rear. 11 extend between the back supports at several heights pairs of straps 84, the length of which is adjustable, and which are partially provided with Velcro 85 .
  • the back 54 also has a back cushion 86 with a rear cushion part 86.1, a front cushion part 86.2 and a back cushion flap 86.3 fastened to the lower end of the front cushion part 86.2 , which in the assembled state lies between the seat surface 64 and the seat cushion.
  • the back cushion 86 is also provided with Velcro 87 .
  • Either the crossbar 82 according to FIG. 11 or handles 88 according to FIG. 12A or height-adjustable handles 90 according to FIG. 12B are used to push the wheelchair 10 .
  • a fixing plate 92 is pivotally attached at its front end at 94 to the seat longitudinal member 56 , with a plurality of bores allowing mounting in different positions, which determine the relative inclination of the back 54 to the seat surface 64 .
  • the fixing plate 92 also has a slot-shaped opening 96 , into which a pin 97 fastened to the back support 80 projects.
  • the opening 96 is widened upwards at its rear end and forms a latching opening 96.1 for the pin 97 when the back 54 is folded up.
  • the fixing plate 92 also serves as a mounting plate for a screwed-on clothes protection plate 100 according to FIG. 13 or an attachable wheel splash guard 102, which is shown in FIG. 14 .
  • the wheel splash guard 102 has a part 102.1 bent towards the wheel and a vertical part 102.2 .
  • a plug-on bracket 104 is screwed tightly onto the latter, wherein there are no bores but slots 102.3 on the vertical part for the screws (not shown).
  • the clip-on bracket 104 can be screwed tight in different positions, as a result of which the wheel splash guard 102 can assume different positions relative to the fixing plate 92 .
  • the wheelchair 10 can be equipped with a transit roller device 106 according to FIG. 15 and / or an anti-tip device 108 according to FIG. 16 .
  • FIG. 15 shows a transit roller device and FIG. 16 shows an anti-tipping device which can optionally be arranged on the wheelchair 10 .
  • FIG. 17 shows a longitudinal leg 12.3 with a longitudinal leg extension 110 .
  • Such a design of the frame is selected in order to be able to vary the wheelbase, that is to say the mutual distance between the rear wheels 18 on the one hand and the front wheels 25 on the other hand, for example for leg amputees or to use the wheelchair 10 temporarily with a bike.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Toys (AREA)

Claims (16)

  1. Fauteuil roulant (10)
    présentant un cadre fermé en trois dimensions, lequel se compose
    d'une barre transversale avant (12.1),
    de deux barres latérales (12.2, 12.3) disposées symétriquement par rapport à l'axe médian longitudinal et
    d'une barre transversale arrière (14), dans lequel
    les barres latérales (12.2, 12.3) possèdent une forme de L avec
    un bras vertical (12.2) et
    un bras longitudinal (12.3) orienté transversalement par rapport au bras vertical (12.2),
    les extrémités arrière des bras longitudinaux (12.3) sont reliées de façon directe et fixe à la barre transversale arrière (14),
    la barre transversale avant (12.1) est disposée à hauteur des pieds, et
    la barre transversale arrière (14) forme un essieu destiné à recevoir une paire de roues arrière (18),
    et dans lequel
    un support de roue avant (25) est fixé au niveau de chaque bras vertical (12.2) des barres latérales,
    dans lequel est disposée une roue avant (24).
  2. Fauteuil roulant (10) selon la revendication 1,
    caractérisé en ce que
    les supports de roue avant (25) sont soudés aux barres latérales (12.2).
  3. Fauteuil roulant (10) selon la revendication 1,
    caractérisé en ce que
    le support de roue avant (25) est fixé pour être réglable en hauteur et/ou pivotant autour du bras vertical (12.2) de la barre latérale.
  4. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le support de roue avant (25) est orienté vers l'arrière.
  5. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    le support de roue avant (25) est orienté par rapport au plan médian longitudinal du fauteuil roulant (10).
  6. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    la barre transversale avant (12.1) présente des deux côtés un appendice (12.4) s'étendant dans la direction du bras vertical (12.2) s'y raccordant de la barre latérale et par le biais duquel elle est réglable en hauteur.
  7. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce
    qu'un repose-pieds (40) est disposé au niveau de la barre transversale avant (12.1).
  8. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    les roues arrière (18) sont placées, au moyen d'arbres de roues, dans des manchons d'adaptation angulaire (22) réglables reliés à l'essieu (14).
  9. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    chaque bras longitudinal (12.3) des barres latérales possède au niveau de son extrémité arrière un prolongement de bras longitudinal (110) dans lequel la barre transversale arrière (14) peut être montée, selon différentes positions.
  10. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    les bras longitudinaux (12.3) des barres latérales sont inclinés vers le bas en arrière et sont reliés sans support à la barre transversale arrière (14).
  11. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce qu'il
    possède une paire de supports de siège longitudinaux latéraux (56), entre lesquels s'étend une surface de siège (64), les supports de siège longitudinaux (56) étant articulés à leurs extrémités au niveau des bras longitudinaux (12.3) des barres latérales et étant reliés au niveau de l'autre extrémité aux bras longitudinaux nommés (12.3) par le biais de montants de siège (72) présentant des longueurs efficaces modifiables.
  12. Fauteuil roulant (10) selon l'une des revendications précédentes,
    caractérisé en ce que
    chaque montant de siège (72) est articulé de façon pivotante au support de siège longitudinal (56) correspondant et présente dans la direction longitudinale plusieurs alésages (76) permettant de recevoir de façon sélective une vis (78) au moyen de laquelle le montant de siège (72) est fixé au bras longitudinal (12.3) de la barre latérale, les montants de siège (72) étant de préférence reliés ensemble au moyen d'un dispositif à tige transversale.
  13. Fauteuil roulant (10) selon l'une des revendications 10 ou 11,
    caractérisé en ce que
    la surface de siège (64) est formée sur un siège (52) qui représente une partie d'un module de siège (50) fixé de façon amovible au cadre (12), le siège (52) présentant de préférence au moins un support de siège transversal (58) reliant les supports de siège longitudinaux (56).
  14. Fauteuil roulant (10) selon la revendication 13,
    caractérisé en ce que
    le module de siège (50) présente un dossier (54) qui est fixé indirectement par le siège (52) au bras longitudinal (12.3) du fauteuil roulant (10), l'angle entre le siège (52) et le dossier (54) étant de préférence réglable et le dossier étant de préférence rabattable sur le siège.
  15. Fauteuil roulant (10) selon la revendication 14,
    caractérisé en ce que
    le dossier (54) présente deux appuis de dossier verticaux (80) latéraux, qui sont de préférence reliés l'un à l'autre par une disposition en bande éventuellement réglable en longueur.
  16. Fauteuil roulant (10) selon l'une des revendications 13 à 15,
    caractérisé en ce que
    le module de siège présente un coussin de dossier (86) présentant une partie de coussin de dossier arrière (86.1), une partie de coussin de dossier avant (86.2) définie pour placer le dos de l'utilisateur et de préférence une languette de coussin de dossier (86.3) fixée à la partie de coussin de dossier avant (86.2) et qui est située entre la surface de siège (64) et un coussin de siège disposé sur la surface de siège (64).
EP98123670A 1997-12-23 1998-12-11 Fauteuil roulant avec cadre fermé en trois dimensions Expired - Lifetime EP0911009B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH02953/97A CH689177A5 (de) 1997-12-23 1997-12-23 Rollstuhl mit geschlossenem dreidimensionalem Rahmen.
CH295397 1997-12-23
CH2953/97 1997-12-23

Publications (3)

Publication Number Publication Date
EP0911009A1 EP0911009A1 (fr) 1999-04-28
EP0911009B1 true EP0911009B1 (fr) 2000-09-20
EP0911009B2 EP0911009B2 (fr) 2004-08-25

Family

ID=4245364

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123670A Expired - Lifetime EP0911009B2 (fr) 1997-12-23 1998-12-11 Fauteuil roulant avec cadre fermé en trois dimensions

Country Status (12)

Country Link
US (1) US6311999B1 (fr)
EP (1) EP0911009B2 (fr)
AT (1) ATE196419T1 (fr)
AU (1) AU739573B2 (fr)
CA (1) CA2256106A1 (fr)
CH (1) CH689177A5 (fr)
DE (2) DE29816998U1 (fr)
DK (1) DK0911009T3 (fr)
ES (1) ES2151759T3 (fr)
NO (1) NO986036L (fr)
NZ (1) NZ333427A (fr)
PT (1) PT911009E (fr)

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Also Published As

Publication number Publication date
CH689177A5 (de) 1998-11-30
US6311999B1 (en) 2001-11-06
CA2256106A1 (fr) 1999-06-23
AU9710198A (en) 1999-07-15
DE29816998U1 (de) 1998-11-19
EP0911009A1 (fr) 1999-04-28
NO986036L (no) 1999-06-24
NO986036D0 (no) 1998-12-22
EP0911009B2 (fr) 2004-08-25
PT911009E (pt) 2001-03-30
DK0911009T3 (da) 2001-01-08
AU739573B2 (en) 2001-10-18
NZ333427A (en) 2000-05-26
ES2151759T3 (es) 2001-01-01
DE59800273D1 (de) 2000-10-26
ATE196419T1 (de) 2000-10-15

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