EP0942703B1 - Rollstuhl - Google Patents

Rollstuhl Download PDF

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Publication number
EP0942703B1
EP0942703B1 EP97909554A EP97909554A EP0942703B1 EP 0942703 B1 EP0942703 B1 EP 0942703B1 EP 97909554 A EP97909554 A EP 97909554A EP 97909554 A EP97909554 A EP 97909554A EP 0942703 B1 EP0942703 B1 EP 0942703B1
Authority
EP
European Patent Office
Prior art keywords
support
lower leg
wheelchair
leg support
seat 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
EP97909554A
Other languages
English (en)
French (fr)
Other versions
EP0942703A1 (de
Inventor
James Roche
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.)
ROCHE, JAMES
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0942703A1 publication Critical patent/EP0942703A1/de
Application granted granted Critical
Publication of EP0942703B1 publication Critical patent/EP0942703B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/085—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height 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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0883—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having locking means for maintaining a folded or unfolded condition
    • 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
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet

Definitions

  • the invention relates to a wheelchair, and particularly to a collapsible wheelchair.
  • Collapsible wheelchairs have been provided for some time, the objective being to allow them to collapse in a simple and compact manner so that they can be easily stored and transported, for example, by loading into the boot of a car.
  • One known collapsing arrangement comprises a scissors-type hinge between the wheels which allows the chair to be collapsed by pushing the sides of the chair towards each other.
  • the wheels may or may not be removable.
  • the seat is generally flexible so that it folds down as the sides are pushed towards each other. While this arrangement is usually quite simple to operate, it suffers from the disadvantage of the chair not being particularly compact when collapsed. Also, the seat is often not particularly comfortable because it is of a flexible material to allow folding as the chair is collapsed.
  • a still further disadvantage is that because the hinging mechanism is at the core of the chair structure it reduces structural strength, particularly in the transverse direction. Further, over time play in the structure can arise due to wear.
  • the invention is therefore directed towards providing a wheelchair which is collapsible in a manner whereby the chair is very compact when collapsed.
  • a further objective is that the chair is relatively lightweight and has high structural strength.
  • WO 96/14232 discloses a wheelchair in accordance with the precharacterising portion of Claim 1.
  • a collapsible wheelchair comprising a seat support, a backrest support, a lower leg support and wheels on an axle, the backrest support and the lower leg support are movable from an operative position to a collapsed position substantially parallel to the seat support, and wherein the seat support comprises a front portion which extends downwardly and supports a lower leg support pivot joint at a lower end thereof, and wherein the lower leg support pivot joint comprises a pivot pin between the lower leg support and the seat support, characterised in that a sleeve is slidable between a locked position covering the pin and preventing lower leg support rotation and an unlocked position at which the lower leg support is free to pivot and an unblocked position at which the pin is exposed and the lower leg support is free to pivot about the pin.
  • the wheelchair collapses in a very compact manner. There is no need to introduce a hinge between the wheels and there is therefore improved structural integrity .
  • the seat support comprises a front portion which extends downwardly and supports the lower leg support pivot joint at a lower end thereof.
  • the front portion provides a large degree of strength and structural integrity for the front part of the chair, and it also serves the purpose of supporting a pivot joint for the lower leg support so that the lower leg support folds neatly up underneath the seat support in a compact manner.
  • the seat support front portion comprises a pair of spaced-apart longitudinal tubes extending downwardly.
  • the lower leg support is configured to lie between the lower leg support pivot joint and the wheel axle or camber bar. This allows the lower leg support to rest between the seat support front portion and the wheel axle in a compact and convenient manner.
  • the lower leg support pivot joint comprises a pivot pin between the lower leg support and the seat support, and a sleeve which is slidable between a locked position covering the pin and preventing lower leg support rotation and an unlocked position at which the pin is exposed and the lower leg support is free to pivot about the pin.
  • the sleeve is knurled for ease of operation. This allows a user to easily slide the sleeve between the locked and unlocked positions.
  • the sleeve is held in the locked position by a bayonet fixture.
  • a bayonet fixture This is a well-known and simple fixture.
  • the lower leg support comprises a U-shaped bar, the lower part of which is a footrest.
  • This is a simple construction which provides excellent strength in a simple and lightweight manner.
  • the lower leg support further comprises a transverse brace extending between uprights.
  • a transverse brace provides a large degree of strength for the lower leg support, particularly to prevent it from twisting. Again, the brace does not add much weight or complexity to the wheelchair.
  • the U-shaped bar uprights are mounted within a pair of outer sleeves for telescoping height adjustment. This is a very simple way of providing adjustment for the footrest.
  • the seat support comprises a brace extending transversely between a pair of side members, and the lower leg support brace is offset with respect to the seat support brace when the chair is collapsed.
  • These braces can allow a compact arrangement whereby they provide support for the chair when collapsed so that it is not easily damaged.
  • the wheelchair further comprises a fastener to interconnect the lower leg support and the seat support in the collapsed position to prevent inadvertent opening.
  • the fastener can, for example, be connected between the braces on the seat and lower leg supports.
  • the wheel axle is mounted on an adjustable axle support for height adjustment. This allows excellent versatility.
  • the axle support comprises a pair of uprights interconnected by a transverse bar connected to the wheel axle. This arrangement provides high strength in a simple manner.
  • the axle is adjustable in the longitudinal direction on the axle support. This also provides versatility in a simple manner.
  • the uprights are mounted for telescoping height adjustment. This is a simple way of allowing height adjustment.
  • the wheelchair further comprises a longitudinal brace extending between the lower leg support and the seat support, the longitudinal brace being removable.
  • a brace adds additional structural strength, which, for example, is desirable in some applications such as sports use.
  • the backrest support is connected to the seat support by a pivot joint.
  • the backrest support comprises a lock having a pair of locking pins biased into a locked position and releasable by operation of an actuator. This is a very simple release arrangement.
  • the backrest support comprises at least one plate extending in the longitudinal direction, each plate being connected to the seat support by a pivot joint and by a lock positioned rearwardly of the pivot joint and being secured to a backrest support main body between the joint and the lock.
  • These plates provide high strength connecting the backrest and seat supports together, and allow the backrest support to be folded down to overlie the cushion of the seat support.
  • the wheelchair 1 has a frame 2 to which is connected a pair of wheels 3.
  • the frame 2 comprises a seat support 5, a backrest support 6, and a lower leg support 7.
  • the seat support 5 and the backrest support 6 support seat and backrest cushions, which are not shown in the drawings for clarity.
  • the lower leg support 7 is connected to the seat support 5 by a pair of joints 50 and the backrest support 6 is connected to the seat support 5 by a pair of joints 26.
  • the seat support 5 comprises a pair of longitudinal bars 10 which are interconnected by a rear brace 11, a front brace 12, and an axle 13.
  • the wheels 3 are connected to an axle 13 by quick release couplings for ease of removal.
  • the chair 1 collapses as shown in Figs. 2(a), 2(b), and 2(c).
  • the lower leg support 7 pivots about the joints 50 as shown in Fig. 2(b).
  • the joints 50 are at the end of a front portion of the seat support 5 which extends downwardly.
  • the lower leg support 7 is configured to have a length which allows it fit neatly between the joints 50 and the axle 13. The fact that the joints 50 are spaced-apart from the main part of the seat support allows the lower leg support 7 lie substantially parallel to the seat support 5.
  • the backrest support 6 has a pair of plates 25 which support the main part of the backrest support rearwardly of the pivot pins 26. This allows the backrest support to lie substantially parallel to the seat support in a neat and compact manner, as shown in Fig. 2(c).
  • the axle 13 is mounted on a pair of axle supports 14.
  • Each axle support 14 has a lower horizontal support bar 15 which supports an axle clamp 16.
  • the clamps 16 are movable between front and rear positions for versatility and balance adjustment.
  • the lower support bar 15 is connected to a pair of uprights 17 which engage within telescopic outer sleeves 18 which have apertures for setting height using adjustment screws.
  • the backrest support 6 comprises a pair of uprights 24 which are fixed to the triangular plates 25 by a pair of bolts 27.
  • the plates 25 are pivotally connected to the seat support bar 10 by pivot pins 26.
  • the plates 25 are locked in the operative position by a pair of releasable locking pins 28.
  • the locking pins 28 are spring-loaded and may be disengaged by pulling an actuator string 29, shown in Fig. 1.
  • the backrest support 6 also comprises a transverse brace 30.
  • the lower leg support 7 comprises a U-shaped bar 35 within a pair of outer tubes 34.
  • the lower part of the bar 35 acts as a footrest.
  • a forward footrest 36 is also connected to the bar 35 to provide additional feet support.
  • a pair of castor sockets 37 are connected to the bars 34 and are each held in position by a fixing bolt 38 which prevents rotation and by a shoulder on the bar 34 which prevents upward movement.
  • the socket 37 is connected to a castor suspension bar 39, which in turn supports a castor 40.
  • the suspension bar 39 is rotatable within the socket 37.
  • An important aspect of the lower leg support is that a large degree of structural strength is provided by a transverse brace 45 which extends between the uprights of the U-shaped bars 34. This withstands forces exerted at individual castors 40, particularly twisting or rotational forces.
  • each pivot joint 50 comprises a knurled sleeve 51 which has a cutout to form a bayonet fixture with a spigot 52 on the respective seat support longitudinal bar 10.
  • the pivot joint 50 also comprises an internal pivot pin 53 between the bars 34 and the longitudinal bar 10 of the seat support 5.
  • the wheelchair is used in conventional manner by a wheelchair user, with or without an assistant.
  • the user or an assistant pulls the actuator 29 which releases the spring-loaded pins 28 to release the plates 25 and allow them to pivot about the seat support 5.
  • the backrest support 6 is then pushed forward so that it overlies the seat support 5.
  • the user or an assistant then rotates the knurled sleeves 51 to release the bayonet lock, and then slides the knurled sleeve 51 downwardly as shown in Fig. 4a to expose the pivot pin 52.
  • the lower leg support 7 may then be easily folded upwardly and under the seat support 5 as shown in Fig. 4(c).
  • the fully folded chair is illustrated in Fig. 5.
  • the chair folds in a very compact manner.
  • the plates 25 allow the backrest support 6 to be spaced-apart from the seat support so that the cushion of the seat support is easily accommodated within the backrest support brace 29. This cushion may alternatively be removed.
  • the front ends of the longitudinal seat support bars 10 allow the lower leg support 7 to lie parallel to the seat support to allow a compact collapsed position.
  • the lower leg support is accommodated between the front portion of the longitudinal bars 10 and the axle supports 14.
  • the seat support brace 12 and the lower leg support brace 45 are offset with respect to each other so that they together provide support for the chair when collapsed in a neat and compact folding arrangement.
  • the wheels can be removed either before or after folding the backrest and lower leg supports. These are removed in a conventional manner using a quick-release coupling.
  • the chair of the invention has a large degree of structural strength, while at the same time being of simple and lightweight construction and also allowing very compact and simple collapsing.
  • the fact that there are no joints operating about a vertical axis is very important as this provides complete rigidity in response to transverse and twisting forces.
  • the chair is very compact when collapsed and may be easily fitted into the boot of a car. Further, collapsing is very simple to perform as it is only necessary to operate the actuator strings 29 and slide the knurled sleeves 51.
  • a lower leg support pivot joint may have a sleeve which is locked by a push-button arrangement instead of a bayonet fixture, however, the bayonet fixture is particularly convenient.
  • an internal slidable rod may provide rigidity for the joint when locked.
  • any other type of lockable joint providing equivalent locking strength may be used.
  • an additional brace arrangement may be provided. Such an arrangement may be removable so that it is used only for certain applications such as sports.
  • a brace may be a longitudinal brace which connects with the lower leg and seat supports. This would provide additional support for the lower leg support 7 and longitudinal support generally.
  • Such a brace may be connected by quick-release coupling.
  • the brace may be telescopic for length adjustment.
  • the brace may extend between the brace 45 and the axle 13, or alternatively the rear seat support brace 11.
  • external struts across the elbows at the front portion of the seat support 5 may be used.
  • Another way of providing increased longitudinal strength is to use a particularly strong tubing at the front portion of the seat support, such as a compound double-walled tube.
  • the lower leg support and/or the backrest support may be removable from the seat support such as by sliding out from telescopic engagement.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Prostheses (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Seats For Vehicles (AREA)
  • Materials For Medical Uses (AREA)
  • Handcart (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Claims (10)

  1. Zusammenklappbarer Rollstuhl (1) mit einer Sitzabstützung (5), einer Rückenlehnenabstützung (6), einer unteren Beinabstützung (7) und Rädern (3) auf einer Achse (13), wobei die Rückenlehnenabstützung (6) und die untere Beinabstützung (7) von einer betriebsbereiten Position in eine zusammengeklappte Position im wesentlichen parallel zur Sitzabstützung (5) gebracht werden können, und wobei die Sitzabstützung (5) einen Vorderteil besitzt, der sich nach unten erstreckt und an seinem unteren Ende ein Drehgelenk an der unteren Beinabstützung (50) abstützt, und wobei das Drehgelenk an der unteren Beinabstützung (50) zwischen der unteren Beinabstützung (7) und der Sitzabstützung (5) einen Drehbolzen (53) besitzt, dadurch gekennzeichnet, dass eine Hülse (51) zwischen einer verriegelten Position, die den Bolzen (53) abdeckt und eine Drehung der unteren Beinabstützung verhindert, und einer nicht verriegelten Position, in der sich die untere Beinabstützung frei drehen kann, und einer nicht blockierten Position, in der der Bolzen (53) freiliegt und die untere Beinabstützung (7) sich frei um den Bolzen (53) herum drehen kann, verschiebbar ist.
  2. Rollstuhl nach Anspruch 1, wobei die Rückenlehnenabstützung (6) durch Drehen um die Sitzabstützung (5) verstellbar ist.
  3. Rollstuhl nach einem der vorhergehenden Ansprüche, wobei der Vorderteil der Sitzabstützung ein Paar in Längsrichtung nach unten verlaufende und in einem Abstand zueinander angeordnete Rohre besitzt.
  4. Rollstuhl nach Anspruch 1 oder 3, wobei die untere Beinabstützung (7) so konfiguriert ist. dass sie sich zwischen dem Drehgelenk der unteren Beinabstülzung (50) und der Radachse (13) befindet.
  5. Rollstuhl nach einem der vorhergehenden Ansprüche, wobei die Hülse (51) zur leichteren Handhabung gerändelt ist; wobei die untere Beinabstützung (7) wahlweise eine U-förmige Stange (35) besitzt, deren Unterteil eine Fußstütze ist; wobei die untere Beinabstützung weiterhin wahlweise eine Strebe (45) besitzt, die zwischen Pfosten verläuft, wobei die U-förmigen Stangenpfosten (34) innerhalb eines Paares äußerer Hülsen montiert sind, um die Höhe teleskopartig verstellen zu können und wobei die Sitzabstützung (5) wahlweise eine Strebe (29) besitzt. die quer zwischen einem Paar Seitenelementen verläuft, und wobei die Strebe der unteren Beinabstützung (45) gegenüber der Strebe der Sitzabstützung (29) versetzt ist, wenn der Stuhl zusammengeklappt ist.
  6. Rollstuhl nach einem der vorhergehenden Ansprüche, weiterhin mit einem Befestigungselement, um die untere Beinabstützung und die Sitzabstützung in der zusammengeklappten Position zu verbinden, um ein unabsichtliches Öffnen zu verhindern; wobei die Radachse (13) zur Höhenverstellung wahlweise auf einer verstellbaren Radachsenunterstützung (14) montiert ist; wobei die Radunterstützung wahlweise ein Paar Pfosten (17) besitzt, die durch eine querverlaufende Stange (15), die mit der Radachse (13) verbunden ist, miteinander verbunden sind; wobei die Achse (13) wahlweise in Längsrichtung auf der Achsunterstützung (14) verstellbar ist; und wobei die Pfosten wahlweise zur teleskopartigen Höhenverstellung (18) montiert sind.
  7. Rollstuhl nach einem der vorhergehenden Ansprüche, weiterhin mit einer Längsstrebe, die zwischen der unteren Beinabstützung (7) und der Sitzabstützung (5) verläuft, wobei die Längsstrebe entfernt werden kann.
  8. Rollstuhl nach einem der vorhergehenden Ansprüche, wobei die Rückenlehnenabstützung (6) durch ein Drehgelenk mit der Sitzabstützung (5) verbunden ist.
  9. Rollstuhl nach Anspruch 8, wobei die Rückenlehnenabstützung (6) eine Verriegelung mit einem Paar Haltestiften (28) besitzt. die in einer verriegelten Position vorgespannt sind und mittels eines Stellantriebs (29) gelöst werden können.
  10. Rollstuhl nach Anspruch 8 oder 9, wobei die Rückenlehnenabstützung (6) mindestens eine Platte (25) besitzt, die in Längsrichtung verläuft, wobei jede Platte durch ein Drehgelenk (26) und durch eine Verriegelung, die hinter dem Drehgelenk angeordnet sind, mit der Sitzabstützung verbunden ist, und zwischen dem Gelenk und der Verriegelung an dem Hauptteil der Rückenlehnenabstützung befestigt ist.
EP97909554A 1996-10-15 1997-10-15 Rollstuhl Expired - Lifetime EP0942703B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IE960724 1996-10-15
IE960724 1996-10-15
IE970284 1997-04-16
IE970284 1997-04-16
PCT/IE1997/000066 WO1998016182A1 (en) 1996-10-15 1997-10-15 A wheelchair

Publications (2)

Publication Number Publication Date
EP0942703A1 EP0942703A1 (de) 1999-09-22
EP0942703B1 true EP0942703B1 (de) 2003-07-30

Family

ID=26319972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909554A Expired - Lifetime EP0942703B1 (de) 1996-10-15 1997-10-15 Rollstuhl

Country Status (7)

Country Link
EP (1) EP0942703B1 (de)
AT (1) ATE245962T1 (de)
AU (1) AU4720597A (de)
CA (1) CA2268639C (de)
DE (1) DE69723857T2 (de)
GB (1) GB2332654B (de)
WO (1) WO1998016182A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101380262B (zh) * 2007-09-07 2010-08-25 国睦工业股份有限公司 电动轮椅

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH689177A5 (de) * 1997-12-23 1998-11-30 Kueschall Design Ag Rollstuhl mit geschlossenem dreidimensionalem Rahmen.
GB2347655A (en) * 1999-03-12 2000-09-13 Sunrise Medical Ltd Wheelchair with adjustable camber angle
DK2213269T3 (da) 2009-01-30 2013-05-21 Sunrise Medical Gmbh & Co Kg Persontransportmiddel, f.eks. kørestol, og rammeenhed dertil
EP2213268B1 (de) 2009-01-30 2013-01-30 Sunrise Medical GmbH & Co. KG Rahmenelement und Rahmen für ein Personenbeförderungsmittel, z. B. einen Rollstuhl
US8585071B2 (en) 2010-12-31 2013-11-19 Stephen C. Golden, JR. Releasable forward wheel apparatus for a wheelchair

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679257A (en) * 1970-05-15 1972-07-25 Jacuzzi Research Inc Foldable wheel chair
US4730842A (en) * 1986-04-18 1988-03-15 Wheel Ring, Inc. Adjustable wheelchair
FI78828C (fi) * 1987-01-20 1989-10-10 Tunturipyoerae Oy Rullstol.
US4887826A (en) * 1988-06-10 1989-12-19 Kantner Richard D Lightweight foldable wheelchair
WO1995006581A1 (en) * 1993-08-31 1995-03-09 Roy Richard A Folding wheelchair
NL9301970A (nl) * 1993-11-15 1995-06-01 Hendrik Jan Ordelman Inklapbare rolstoel.
US5593173A (en) * 1994-11-08 1997-01-14 Quickie Designs Inc. Vertical folding wheelchair frame
GB2304314B (en) * 1995-08-18 1999-04-28 Geoffrey Goodman A wheelchair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101380262B (zh) * 2007-09-07 2010-08-25 国睦工业股份有限公司 电动轮椅

Also Published As

Publication number Publication date
EP0942703A1 (de) 1999-09-22
ATE245962T1 (de) 2003-08-15
CA2268639C (en) 2007-01-23
GB9906406D0 (en) 1999-05-12
DE69723857D1 (de) 2003-09-04
DE69723857T2 (de) 2004-04-15
AU4720597A (en) 1998-05-11
GB2332654A (en) 1999-06-30
CA2268639A1 (en) 1998-04-23
GB2332654B (en) 2001-01-10
WO1998016182A1 (en) 1998-04-23

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