WO2007121606A1 - Fauteuil roulant - Google Patents

Fauteuil roulant Download PDF

Info

Publication number
WO2007121606A1
WO2007121606A1 PCT/CH2007/000197 CH2007000197W WO2007121606A1 WO 2007121606 A1 WO2007121606 A1 WO 2007121606A1 CH 2007000197 W CH2007000197 W CH 2007000197W WO 2007121606 A1 WO2007121606 A1 WO 2007121606A1
Authority
WO
WIPO (PCT)
Prior art keywords
longitudinal
wheelchair
seat
longitudinal beams
wheelchair according
Prior art date
Application number
PCT/CH2007/000197
Other languages
German (de)
English (en)
Inventor
Heinz DÜRST
Original Assignee
Duerst Heinz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duerst Heinz filed Critical Duerst Heinz
Publication of WO2007121606A1 publication Critical patent/WO2007121606A1/fr

Links

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
    • A61G5/1056—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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • 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
    • A61G5/1056—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
    • A61G5/1075—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
    • A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • 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
    • A61G5/1083—Quickly-removable 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
    • A61G5/1089—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
    • 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
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1021—Wheelchairs having brakes engaging specific brake elements
    • A61G5/1024—Brake discs

Definitions

  • the present invention relates to a wheelchair for disabled persons according to the preamble of claim 1.
  • the wheelchair comprises for gehbehin- 'people-made a seat' which forms a seating surface.
  • the two main wheels are arranged, which are usually as large, air-tired spoke wheels with handle for manual driving or Brakes are formed by the user and are usually arranged with respect to the center of gravity on the support structure of the wheelchair that they carry the majority of the weight load from the wheelchair weight and weight of the user.
  • auxiliary wheels Arranged in front of the seat are one or more (eg two) auxiliary wheels, which are usually much smaller than the main wheels and carry the rest of the weight load.
  • Below the seat plane defined by the seat are two substantially horizontally extending longitudinal members of the support structure of the wheelchair, which in the area of their in
  • Driving direction seen front ends are supported by the or the auxiliary wheels and in the region of their rear ends respectively by one of the main wheels.
  • Under the seat extends a crossbeam between the side rails, which carries the seat.
  • the crossbeam is carried by the two side members and is attached to this.
  • the cross-beam optionally after loosening a lock, in the longitudinal direction of the longitudinal beams in stages or steplessly be positioned in at least two different longitudinal positions on the longitudinal beams and fixed in the respective longitudinal position by locking their associated mounting bodies on the longitudinal members, so that the Longitudinal position of the seat relative to the longitudinal members can be adjusted.
  • the main wheels on the longitudinal members can also be positioned in steps or steplessly in at least two different positions in the longitudinal direction of the longitudinal members and locked in the respective position by locking one of the respective main wheels.
  • fixing body can be fixed on the respective longitudinal member. Accordingly, this also allows the longitudinal position of the main wheels are adjusted relative to the longitudinal members, resulting in additional optimization options.
  • the auxiliary wheels or on the longitudinal beams in the longitudinal direction of the longitudinal beams in stages or steplessly in at least two different positions are positioned, wherein the selected position can be fixed in each case that one of the respective
  • Auxiliary wheel associated mounting body is locked to the respective side member or on both longitudinal members.
  • the longitudinal position of the at least one auxiliary wheel can be adjusted relative to the longitudinal members, which opens up further possibilities for optimization.
  • the side members in the region in which the one or more fastening bodies of the auxiliary wheel or the auxiliary wheels can be locked are at a substantially smaller distance from one another than in the region in which the fastening bodies of the crossbar can be locked. It is further preferred if the wheelchair has exactly one advantageously arranged in its central longitudinal axis auxiliary wheel, which is connected via an associated fastening body with two side rails.
  • the seat is connected via a central support column with the cross-beam, wherein it is preferably by means of the support column stepwise or infinitely adjustable in height.
  • This construction makes it possible to use commercially available center column seats, such as office chair seats, which have good ergonomic qualities and are available at low cost.
  • the main wheels are each fastened by means of a central bearing bolt without tools demountable on a bearing unit comprising a drum or disc brake system. This makes it possible despite the presence of an effective braking system acting in the hub area, the main wheels, e.g. for transporting the wheelchair, easy and quick to remove and reassemble.
  • the respective bearing unit has an electric motor for driving the main wheel carried by it.
  • the longitudinal members pass over their spars in behind the seat surface substantially vertically upwardly extending spars, on which preferably height-adjustable in each case one with advantage folded back armrest is attached.
  • the vertically upwardly extending spars merge at their upper ends into a substantially horizontal grip part, which can be gripped by an auxiliary person located behind the wheelchair, for moving the wheelchair.
  • the longitudinal members each have in the area between the fastening bodies of the auxiliary wheel or the auxiliary wheels and the cross-beam on a hinge point with a horizontal axis of rotation, wherein the axes of rotation of the joints of the two longitudinal beams coincide.
  • each longitudinal member is assigned a spring element, preferably a gas pressure spring element, which is coupled to the two longitudinal member sections connected via the hinge point in such a way that it counteracts a downward buckling of the longitudinal member at the joint point with its spring force. This results in a wheelchair with a sprung support structure.
  • the cross-beam also carries a boom with a support wheel whose axis of rotation is arranged behind the axes of rotation of the main wheels and which no contact with this wheelchair standing on a flat surface with the main and auxiliary wheels has flat surface.
  • the side members are made of circular formed round tubes, preferably from round aluminum tubes. Such tubes are commercially available inexpensively, easy to process and also have high strength with a low weight.
  • FIGS. 1 shows a perspective top view of a first embodiment of the wheelchair according to the invention
  • Figure 2 is a front view of the wheelchair
  • FFiigg. 3 is a side view of the wheelchair
  • FIG. 4 shows a perspective top view of a second embodiment of the inventive wheelchair with the seat removed; and
  • FIG. 5 shows a perspective top view of a third embodiment of the wheelchair with its seat removed according to the invention.
  • FIGS. 1, 2 and 3 which shows a first wheelchair according to the invention once in a perspective plan view (FIG. 1), once in a front view (FIG. 2) and once in a side view (FIG ) show, the wheelchair has a seat 1 with a seat 2 and a backrest 11, on both sides of each a large, pneumatic wheeled spoke wheel 3a, 3b is arranged with handle 23 as claim according to the main wheel 3a, 3b.
  • the wheelchair has a single small auxiliary wheel 4, which is supported by a fork 22 which is freely rotatable about a vertical, not through the axis of rotation of the auxiliary wheel 4 extending axis, so that the auxiliary wheel 4 when moving the wheelchair, for example, in the direction of travel, can align itself.
  • the actual supporting structure of the wheelchair comprises two longitudinal members 5a, 5b, which extend horizontally in a plane below the seat surface 2, wherein they extend in the area below the seat 1 parallel to a distance of about the width of the seat 2 and in front of the seat 1 converge until they are in the region of their front ends with a small distance again parallel to each other.
  • the side members 5a, 5b are supported by the single auxiliary wheel 4, by the fork 22 is mounted in a mounting body 9, which clampingly surrounds the front parallel ends of the two side members 5a, 5b and thereby simultaneously fixed relative to each other.
  • a mounting body 9 of the auxiliary wheel 4 are on both sides, folded up to the center longitudinal axis of the wheelchair out, running boards 10 are attached.
  • the side members 5a, 5b pass in a arc in substantially vertically behind the backrest 11 upwardly extending parallel spars 15, which are connected to each other via two transverse struts 24, 25 and in turn at their upper ends each in an arc in substantially horizontal, parallel handle parts 17 pass, which are inseparably connected to each other via a transverse strut 27 (visible only in Figures 4 and 5).
  • the upper transverse strut 25 of the uprights 15 is fastened to the uprights 15 by means of end fastening bodies 26 and carries, arranged on these fastening bodies 26, an armrest 17 which can be folded upwards.
  • the two longitudinal members 5a, 5b are each supported by one of the two main rollers 3a, 3b, in that the housing 8 of the bearing unit 13 of the respective main wheel 3a, 3b, which is a appropriate fastening body 8 forms, the respective side rail 5a, 5b clamped surrounds and so the bearing unit 13, which in the present case comprises a disc brake system, attached to the side member 5a, 5b.
  • the main wheels 3 a, 3 b are each connected to the bearing unit 13 with a central bearing bolt (not shown) and can thereby be removed from the tool without tools in a simple and rapid manner, the bearing and the brake system including the brake disk remaining on the bearing unit 13.
  • a cross-beam 6 Located between the two longitudinal members 5a, 5b and substantially centrally below the seat 2 is a cross-beam 6, which is fixed by means of the longitudinal beams 5a, 5b clampingly encompassing mounting body 7 on the longitudinal beams 5a, 5b and the seat 1 via a central, height adjustable Support pillar 12 carries.
  • the cross-beam 6 is used in this construction, the stabilization of the longitudinal beams 5a, 5b relative to each other.
  • the mounting body 7, 8, 9 with which the cross-beam 6, the main wheels 3 a, 3 b and the auxiliary wheel 4 are fixed by clamping on the longitudinal beams 5 a, 5 b, are here designed such that the clamping each lifted in a simple manner by loosening clamping screws and can be restored.
  • the armrests 16 supporting lower cross member 25 of the spars 15, which after a. Loosening clamping screws of their fastening body 26 in height along the spars 15 can be moved to a desired position and then in the desired position by tightening the clamping screws can be fixed.
  • FIGS. 1 to 3 show a perspective top view of a second wheelchair according to the invention with the seat removed, which apart from the wheelchair previously shown in FIGS. 1 to 3, apart from the fact that the seat is missing, merely distinguishes here in that two longitudinal members 5a, 5b in the front part of the region in which they extend parallel to each other at a distance of approximately the width of the seat surface 2, each having a hinge point 18 with a horizontal axis of rotation, which the respective longitudinal beams 5a, 5b in two to each other around the Swivel axis divides movable sections around.
  • the axes of rotation of the two articulation points 18 coincide, so that the two front sections of the longitudinal members 5a, 5b, which are connected at their front ends via the fastening body 9 of the auxiliary wheel 4, form a kind of rocker, which around the common axis of rotation relative to the remaining part of the wheelchair is movable.
  • a gas pressure spring 19 which counteracts a downward-buckling of the respective longitudinal member 5a, 5b with its spring force.
  • FIG. 5 shows a perspective plan view of a third wheelchair according to the invention, also with the seat removed, which differs from the wheelchair shown in FIG. 4 only in that its bearing units 13, flanged on their insides, each have an electric motor 14, for driving - ben the main wheels 3a, 3b.

Landscapes

  • 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)

Abstract

Fauteuil roulant comprenant un siège (1) présentant une surface servant d'assise (2), deux roues principales (3a, 3b) disposée des deux côtés de l'assise (2), une roue auxiliaire (4) agencée devant l'assise (2), ainsi qu'une structure porteuse dotée de deux longerons (5a, 5b) s'étendant horizontalement au-dessous du plan défini par l'assise (2) et portant une traverse (6) qui, de son côté, supporte le siège (1). Les longerons (5a, 5b) sont portés, à leurs extrémités avant, par la roue auxiliaire (4) et, à leurs extrémités arrière, respectivement par l'une des roues principales (3a, 3b). Les positions longitudinales des traverses (6), de la roue auxiliaire (4) et des roues principales (3a, 3b) sur les longerons (5a, 5b) sont réglables, du fait que des corps de fixation associés (7, 8, 9) qui enveloppent les longerons (5a, 5b), sont disposés en différentes positions longitudinales sur lesdits longerons (5a, 5b) et peuvent être bloqués par des moyens de serrage. L'invention permet ainsi d'obtenir un fauteuil roulant pouvant s'adapter de façon simple à un utilisateur.
PCT/CH2007/000197 2006-04-26 2007-04-24 Fauteuil roulant WO2007121606A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00693/06A CH698713B1 (de) 2006-04-26 2006-04-26 Rollstuhl.
CH693/06 2006-04-26

Publications (1)

Publication Number Publication Date
WO2007121606A1 true WO2007121606A1 (fr) 2007-11-01

Family

ID=38180311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2007/000197 WO2007121606A1 (fr) 2006-04-26 2007-04-24 Fauteuil roulant

Country Status (2)

Country Link
CH (1) CH698713B1 (fr)
WO (1) WO2007121606A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262117B2 (en) 2008-10-10 2012-09-11 Sunrise Medical Gmbh & Co. Kg Wheelchair comprising a foot support
US8490994B2 (en) 2007-12-21 2013-07-23 Sunrise Medical Gmbh & Co. Kg Wheelchair frame and wheelchair with cross-brace
WO2019101859A1 (fr) * 2017-11-22 2019-05-31 Daniel Peter Marchepied pour fauteuil roulant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020816A (en) * 1987-10-19 1991-06-04 Mulholland Designs, Inc. Adjustable frame wheelchair
WO2003013411A1 (fr) * 2001-08-08 2003-02-20 Sunrise Medical Limited Chaise roulante (13) et son systeme de fixation des roues
US7032917B1 (en) * 2002-09-19 2006-04-25 Eric Mark Chelgren Rear suspension for wheelchair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020816A (en) * 1987-10-19 1991-06-04 Mulholland Designs, Inc. Adjustable frame wheelchair
WO2003013411A1 (fr) * 2001-08-08 2003-02-20 Sunrise Medical Limited Chaise roulante (13) et son systeme de fixation des roues
US7032917B1 (en) * 2002-09-19 2006-04-25 Eric Mark Chelgren Rear suspension for wheelchair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8490994B2 (en) 2007-12-21 2013-07-23 Sunrise Medical Gmbh & Co. Kg Wheelchair frame and wheelchair with cross-brace
US8262117B2 (en) 2008-10-10 2012-09-11 Sunrise Medical Gmbh & Co. Kg Wheelchair comprising a foot support
WO2019101859A1 (fr) * 2017-11-22 2019-05-31 Daniel Peter Marchepied pour fauteuil roulant

Also Published As

Publication number Publication date
CH698713B1 (de) 2009-10-15

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