EP0759735B1 - Combination wheelchair and walker - Google Patents
Combination wheelchair and walker Download PDFInfo
- Publication number
- EP0759735B1 EP0759735B1 EP95919335A EP95919335A EP0759735B1 EP 0759735 B1 EP0759735 B1 EP 0759735B1 EP 95919335 A EP95919335 A EP 95919335A EP 95919335 A EP95919335 A EP 95919335A EP 0759735 B1 EP0759735 B1 EP 0759735B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair
- wheels
- hand grips
- seat
- chair according
- 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
Links
- 210000001364 upper extremity Anatomy 0.000 claims description 5
- 210000003141 lower extremity Anatomy 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H2003/002—Appliances for aiding patients or disabled persons to walk about with attached or incorporated article carrying means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/046—Wheeled walking aids for patients or disabled persons with braking means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0161—Size reducing arrangements when not in use, for stowing or transport
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1628—Pelvis
- A61H2201/1633—Seat
Definitions
- the present invention provides a chair for handicapped or elderly persons walking with difficulty, as set out in claim 1.
- a rollable supporting device to be pushed by the handicapped person must be very stable and this is also true for a transporting chair for indoor use.
- the downwardly directed forces should most likely intersect the ground or floor surface inside the polygon defined by the position of the wheels or rollers.
- the vertical projection of the hand grips falls inside the polygon defined by the wheels and is spaced substantially from the sides of the polygon in said first position of the releasably mounted wheel or wheels, while the vertical projection of the hand grips falls outside said polygon or closely adjacent to a side thereof in the second position.
- the chair seat may then be pivotally mounted to one of the frame parts so as to be rotatable between a substantially horizontal position of use and an upright storing position, and if desired the chair seat or a pivotally mounted frame part supporting the seat may be shaped so as to form part of the releasable locking means.
- the chair seat In its unstressed condition the chair seat may define a substantially plane upper surface and may then serve as a tray on which a handicapped person using the chair as a leaning or supporting device may place various objects or items.
- the chair shown in Figs. 1-3 comprises a chair frame 10 which may be made from metal tubes, a chair seat 11 and a chair back 12 mounted on the frame 10.
- the frame 10 comprises a front frame part 13 forming a pair of front legs 14 and a rear frame part 15 forming a pair of rear legs 16.
- a pair of rear wheels or rear rollers 17 are rotatably mounted at the lower ends of the rear legs 16, and a pair of caster wheels 18 are mounted at the lower ends of the front legs 14.
- a pair of rearwardly directed hand grips 19 positioned behind the chair seat 11 are formed at the upper ends of the rear frame part 15.
- Braking devices (not shown) for selectively braking the rear wheels 17 may be selectively operated by means of brake actuating members 20 which are positioned immediately below the hand grips 19 and which are connected to the braking devices via cables 21.
- the frame parts 13 and 15 are interconnected by link members 22 so that the frame parts 13 and 15 may be moved between a collapsed position shown in Fig. 3 and a position of use shown in Figs. 1 and 2. In the position of use the front legs 14 and the rear legs 16 are spaced apart and may be locked in this position by a link member.
- the chair seat 11 may be pivotally mounted to the rear frame part 15 at its rear edge so that the seat may be tilted between a substantially vertical position and a substantially horizontal position of use, and the link members may also comprise a frame part for supporting the chair seat 11 in its substantially horizontal position of use.
- An upwardly open container or basket 23 which may, for example, be made from wire, is mounted under the chair seat 11, vide Figs. 2 and 3, so that the chair seat 11 may form a lid closing the upper open end of the container or basket 23.
- the container or basket 23 may be mounted so that it may be displaced transversely in relation to the seat 11 whereby a person sitting on the chair seat 11 may gain access to the inner space of the basket or container.
- Fig. 4 illustrates how the chair shown in Figs. 1-3 may be used as a supporting or leaning device (a so-called rollator) by a handicapped person who needs a walking aid. The person then grips around the hand grips 19 and pushes the chair in front of him. When necessary, the user may operate the brakes by means of the brake actuating members 20.
- the chair bag 12 may be mounted pivotally about a horizontal axis so that the chair back may be moved between a substantially vertical position as shown in Fig. 1 and a substantially horizontal or an inclined position. As shown in Fig. 5 the user of the chair may then lean against and partly sit on the substantially horizontal or inclined chair back 12 so as to get a small rest in an upright, almost standing position.
- the chair may also be used for transporting a handicapped person sitting on the chair seat 11 and leaning against the substantially vertical chair back 12. An assisting person may then grip the hand grips 19 and push the chair.
- the chair shown in Figs. 1-3 is preferably provided with a foot rest 24 (shown only in Fig. 6) for supporting the feet of the sitting person so that the feet do not come into contact with the floor or ground surface during transportation.
- the chair may also be used as a chair for a person sitting at a table or at a similar working place. In that case the braking devices should be operated so that the chair does not move.
- Figs. 8 and 9 illustrate an embodiment similar to that shown in Figs. 1-3, and similar parts are provided with the same reference numerals.
- the rearwardly inclining rear legs 16 are provided with three different wheel mounting bores or openings 25, 26 and 27 positioned in different levels and in different transverse positions in relation to the hand grips 19.
- the small diameter rear wheels 17 may then be replaced by large diameter rear wheels 28 which may be gripped and moved by a user sitting in the chair. Thereby the chair may be converted into a wheel chair which is also suited for outdoor use.
- a person gripping the hand grips 19 and pushing the chair forwards usually applies a downwardly and forwardly directed force F to each of the hand grips 19.
- the small diameter rear wheels 17 are mounted on the chair such force intersects the floor or ground surface between the contact points 29 and 30 between the floor or ground surface and the front and rear wheels 18 and 17, respectively.
- the large diameter rear wheels 28 are mounted the downwardly directed forces F may intersect the ground surface adjacent to the contact point 31 between the rear wheels and the ground surface. This means that a person gripping the hand grips 19 and pushing the wheel chair may rather easily tilt the chair about and axis defined by the contact points 31 whereby the front wheels 18 may be lifted for passing small elevations in the ground surface, such as kerbs, doorsteps and other hindrances.
- the front frame part 13 and the rear frame part 15 are mounted so as to be mutually pivotable about a pivot 37.
- a pin or cam follower 38 formed on each of the rear legs 16 is cooperating with a corresponding slot or track 39.
- the pins 38 may be releasably locked in alternative positions in which they are engaging with the opposite ends of the slots 39 whereby the chair may be converted from the position shown in Fig. 13 in which it is adapted to be pushed by the handicapped person, into the position shown in Fig. 14, in which the handicapped person may sit in the chair and be pushed by an assisting person.
- Figs. 15 and 16 show an embodiment in which the chair back 12 may be swung from a position shown in Fig. 15 in which it is in abutting engagement with the seat 11, into a position of use shown in Fig. 16. Furthermore, each rear leg 16 comprises telescopically moveable parts which may be mutually locked in predetermined positions so that the height of the mounting bore 25 for receiving the shaft or pivot of the corresponding rear wheel 17 may be adapted to the diameter of the rear wheel chosen.
- Figs. 17 and 18 corresponds to the embodiment shown in Figs. 15 and 16.
- the chair seat 11 and the chair back 12 are formed as an integral unit which is tiltably mounted on the chair frame 10 about a pivot axis 40.
- the chair is used for transporting a handicapped person in a sitting position, the seat and back is tilted to the position shown in Fig. 17.
- the chair is to be pushed by the handicapped person the seat and back may be tilted to the position shown in Fig. 18.
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Pain & Pain Management (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
- Gloves (AREA)
- Handcart (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Insulating Materials (AREA)
Abstract
Description
Claims (23)
- A chair for handicapped or elderly persons walking with difficulty, said chair comprising a chair frame, a chair seat mounted on the chair frame, front and rear wheels mounted on the chair frame for supporting the chair on a ground or floor surface, the contact points between the wheels and the floor surface defining the vertices of a polygon, and hand grips formed on the chair frame and behind the seat to be gripped by a person pushing the chair,
characterized in that at least one of the rear wheels and/or the hand grips of the chair may be releasably mounted in such first and second alternative positions on the chair frame that the vertical projection of the hand grips intersects the ground or floor surface inside said polygon in said first position of said at least one rear wheel and/or the hand grips, while the vertical projection of the hand grips intersects the ground or floor surface closer to and closely adjacent to a side of the polygon extending between the contact points of the rear wheels, or outside said polygon in said second position. - A chair according to claim 1, wherein the wheels comprise first and second sets of releasable rear wheels to be mounted in said first and second positions, respectively, the diameter of the rear wheel or wheels in the second set exceeding that of the first set.
- A chair according to claim 2, wherein the position of the center of the releasable rear wheel or wheels is adjustable in relation to the seat.
- A chair according to claim 3, wherein each releasable rear wheel is mounted on a frame part which is telescopically moveable in relation to a main frame part.
- A chair according to any of the claims 1-4, wherein at least one of the rear wheels of the chair is mounted on a frame part moveable in relation to a main frame part so as to position said at least one rear wheel in said first and second alternative positions.
- A chair according to claim 5, wherein the moveable frame part is swingably mounted in relation to the main frame part.
- A chair according to any of the claims 1-5, wherein the center of said at least one rear wheel is displaceable along a track or path between said first and second alternative positions.
- A chair according to any of the claims 2-7, wherein the rear wheels additionally comprise a third set of at least one releasable rear wheel to be mounted in a third position.
- A chair according to any of the claims 2-8, wherein the diameter of the rear wheels in the second or in the third set is such that a person sitting on the chair seat may grip and drive such wheels forward when they are mounted on the chair frame in said second or third position.
- A chair according to any of the claims 1-9, further comprising a braking device for braking at least one of the wheels of the chair, and brake actuating means positioned at or adjacent to the hand grips for selectively operating the braking device.
- A chair according to any of the claims 1-10, wherein the hand grips are mounted on the chair frame movably between said first and second alternative positions.
- A chair according to claim 11, wherein the hand grips are mounted rotatably about upright or substantially vertical axes between said first and second alternative positions.
- A chair according to any of the claims 1-12,
characterized in a braking device for braking at least one of the chair wheels and brake actuating means positioned at or adjacent to the hand grips for selectively operating the braking device, which may be maintained in and released from its actuated position. - A chair according to any of the claims 1-13, wherein the chair frame comprises pivotally interconnected frame parts which may be moved between a position of use and a collapsed storing position, releasable locking means being provided for locking the frame parts mutually in their position of use.
- A chair according to claim 14, wherein the seat is pivotally mounted to one of the frame parts so as to be rotatable between a substantially horizontal position of use and an upright storing position.
- A chair according to claim 15, wherein the locking means for locking the frame parts in their position of use comprise the pivotally mounted seat or a pivotally mounted supporting member therefor.
- A chair according to any of the claims 1-16, wherein the chair frame comprises a pair of mutually spaced forelegs each carrying a wheel at its lower end and a pair of mutually spaced hind legs each having rear wheel mounting means positioned at different levels above the ground or floor surface.
- A chair according to claim 17, wherein the lower end portion of each hind leg extends obliquely backwards.
- A chair according to any of the claims 1-18, further comprising a foot rest for a person sitting on the chair seat.
- A chair according to any of the claims 1-19, further comprising a chair member mounted so as to be movable between a first position in which it may serve as a chair back for a person sitting on the chair seat, and a second position in which a person standing at the hand grips may sit on the chair member or lean thereagainst.
- A chair according to any of the claims 1-20, wherein the chair seat defines in its unstressed condition a substantially plane upper surface.
- A chair according to any of the claims 1-21, further comprising an upwardly open receptacle, container or bag positioned immediately below the pivotally mounted chair seat which may function as a lid covering the open end of the receptacle or container.
- A chair according to claim 22, wherein the receptacle or container is mounted so as to be transversely displaceable in relation to the chair seat to a position in which a person sitting on the chair seat may have access to the inner space of the receptacle or container.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK55494 | 1994-05-16 | ||
DK554/94 | 1994-05-16 | ||
DK55494 | 1994-05-16 | ||
PCT/DK1995/000192 WO1995031169A1 (en) | 1994-05-16 | 1995-05-16 | Combination wheelchair and walker |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0759735A1 EP0759735A1 (en) | 1997-03-05 |
EP0759735B1 true EP0759735B1 (en) | 1998-09-23 |
Family
ID=8094853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95919335A Expired - Lifetime EP0759735B1 (en) | 1994-05-16 | 1995-05-16 | Combination wheelchair and walker |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0759735B1 (en) |
JP (1) | JPH10500043A (en) |
AT (1) | ATE171367T1 (en) |
AU (1) | AU2521995A (en) |
DE (1) | DE69504968D1 (en) |
WO (1) | WO1995031169A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20319851U1 (en) * | 2003-12-19 | 2005-05-04 | Morath Systems E.K. | walker |
WO2016137322A1 (en) * | 2015-02-24 | 2016-09-01 | Bobergo B.V. | Rollator-trolley with adjustable handle position depending on use |
US9510981B2 (en) | 2013-03-14 | 2016-12-06 | Stryker Corporation | Reconfigurable transport apparatus |
WO2020223819A1 (en) | 2019-05-08 | 2020-11-12 | Triumph Mobility, Inc. | Convertible mobility device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1015483C2 (en) * | 2000-06-20 | 2001-12-28 | Spring Produkties B V | Combined walking support and shopping bag, has retractable flexible container at front and rigid rear part with handles and two main wheels |
JP4566807B2 (en) * | 2005-04-21 | 2010-10-20 | 株式会社スーパーメイト | Wheelchair luggage storage device |
US7481445B1 (en) | 2006-03-28 | 2009-01-27 | Carmel Highland Inventions, Llc | Combination walker and wheelchair with improved ergonomic design |
DE602007007933D1 (en) | 2007-08-02 | 2010-09-02 | Hema Bv | walker |
WO2009101509A1 (en) * | 2008-02-12 | 2009-08-20 | Globetrotter Swiss Ag | Moveable chair |
NL2003506C2 (en) * | 2009-09-17 | 2011-03-21 | Bobergo B V | ROLLATOR WHEELCHAIR. |
US8534683B2 (en) * | 2011-01-10 | 2013-09-17 | Brookefield Hunter, Inc. | Wheelchair handlebar adjustment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322093A (en) * | 1980-03-11 | 1982-03-30 | Otto Roger C | Wheeled walking aid with seat and hand brake |
US4759562A (en) * | 1986-05-09 | 1988-07-26 | Vinyard Lillian L | Walker conversions for wheel chairs |
US5224731A (en) * | 1992-09-08 | 1993-07-06 | Johnson Candace L | Combination wheel chair and walker |
-
1995
- 1995-05-16 JP JP7529297A patent/JPH10500043A/en active Pending
- 1995-05-16 DE DE69504968T patent/DE69504968D1/en not_active Expired - Lifetime
- 1995-05-16 AU AU25219/95A patent/AU2521995A/en not_active Abandoned
- 1995-05-16 AT AT95919335T patent/ATE171367T1/en not_active IP Right Cessation
- 1995-05-16 WO PCT/DK1995/000192 patent/WO1995031169A1/en active IP Right Grant
- 1995-05-16 EP EP95919335A patent/EP0759735B1/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20319851U1 (en) * | 2003-12-19 | 2005-05-04 | Morath Systems E.K. | walker |
US9510981B2 (en) | 2013-03-14 | 2016-12-06 | Stryker Corporation | Reconfigurable transport apparatus |
US9925098B2 (en) | 2013-03-14 | 2018-03-27 | Stryker Corporation | Reconfigurable transport apparatus |
US11071661B2 (en) | 2013-03-14 | 2021-07-27 | Stryker Corporation | Transport apparatus |
US11737933B2 (en) | 2013-03-14 | 2023-08-29 | Stryker Corporation | Transport apparatus |
WO2016137322A1 (en) * | 2015-02-24 | 2016-09-01 | Bobergo B.V. | Rollator-trolley with adjustable handle position depending on use |
CN107530219A (en) * | 2015-02-24 | 2018-01-02 | 博贝尔格有限公司 | With according to the travelling aided bicycle trolley using adjustable handle position |
US10485724B2 (en) | 2015-02-24 | 2019-11-26 | Bobergo B.V. | Rollator-trolley with adjustable handle position depending on use |
WO2020223819A1 (en) | 2019-05-08 | 2020-11-12 | Triumph Mobility, Inc. | Convertible mobility device |
US11877965B2 (en) | 2019-05-08 | 2024-01-23 | Triumph Mobility, Inc. | Convertible mobility device |
Also Published As
Publication number | Publication date |
---|---|
AU2521995A (en) | 1995-12-05 |
ATE171367T1 (en) | 1998-10-15 |
EP0759735A1 (en) | 1997-03-05 |
JPH10500043A (en) | 1998-01-06 |
DE69504968D1 (en) | 1998-10-29 |
WO1995031169A1 (en) | 1995-11-23 |
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