CA2096459C - Collapsible wheelchair - Google Patents
Collapsible wheelchairInfo
- Publication number
- CA2096459C CA2096459C CA002096459A CA2096459A CA2096459C CA 2096459 C CA2096459 C CA 2096459C CA 002096459 A CA002096459 A CA 002096459A CA 2096459 A CA2096459 A CA 2096459A CA 2096459 C CA2096459 C CA 2096459C
- Authority
- CA
- Canada
- Prior art keywords
- backrest
- seat
- wheelchair
- open position
- side frames
- 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 - Fee Related
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
- A61G5/08—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
- A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
- A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
-
- 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
- A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
-
- 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
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)
- Chairs Characterized By Structure (AREA)
- Handcart (AREA)
Abstract
The collapsible wheelchair is alternately movable between a collapsed position and an open position. The wheelchair comprises a framework having a pair of opposite side frames. The backrest assembly is pivotally connected at a lower end to the framework and is alternately movable between an open position where it is projecting vertically, and a folded position where it is collapsed against the seat. Armrests are pivotally connected to the backrest supports of the backrest assembly. The rear wheels are removably connected to a corresponding side frame. The front wheels are each provided at a lower end of a corresponding mounting member and mounting swivels are used for pivotally connecting the upper end of the mounting members to the side frames so that each front wheel is alternately movable in a vertical plane between a ground-engaged position, where it is projecting under the framework, and a retracted position where it is set within the framework. The framework may also be provided with a horizontal folding system for further compaction. The wheelchair provides a lightweight construction that occupies a minimum space when collapsed for facilitating the manipulation and transportation while still providing the user with comfort in the normal open position. Only the rear wheels need to be removed from the wheelchair.
Description
g COLLAPSIBLE WHEELCHAIR
FIELD OF THE INVENTION
The present invention relates to a collapsible wheelchair for handicapped or invalid persons.
BACKGROUND OF THE INVENTION
There is a need to minimize physical efforts for the handicapped or invalid persons and to facilitate handling by reducing the size and the weight of wheelchairs for easing their manipulation and transportation. Generally, the wheelchairs known in the prior art have not provided suitable lightweight and compaction. It is often needed that the wheelchair be stored in very small locations, such as the trunk of a vehicle, and conventional wheelchairs with a foldable body are not satisfactory. Others require that numerous parts, in addition to the rear wheels, be removed from the wheelchair for collapsing it very compactly.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a collapsible wheelchair having a lightweight construction that occupies a minimum space when collapsed for facilitating the manipulation and transportation while still providing the user with comfort in the normal open position.
More particularly, the object of the present invention is to provide a collapsible wheelchair comprising:
two opposite side frames;
a seat connected to and extending between the side frames, the seat being made of a flexible material;
a backrest assembly having a backrest section extending between a pair of elongated backrest supports, each 2 9 ~
backrest support being pivotally connected to a corresponding side frame, the backrest supports being movable between an open position where they are projecting substantially vertically, and a folded position where they are substantially parallel to the seat, the backrest sect.ion being made of a flexible material;
two rear wheels removably connected to a corresponding side frame;
o two armrests, each having a back end pivotally connected to a location along a corresponding backrest support, the armrests being movable between an open position where they are substantially perpendicular to the backrest supports, and a collapsed position where they are upwardly collapsed against their respective backrest support;
two rotary joints connected in front of a respective side frame;
two front caster-type wheels;
two mounting members, each having a first end operatively connected to a respective front wheel, each mounting member having a second end, opposite the first end thereof, connected to a respective rotary joint, the front wheels being movable in a vertical plane between an open position where they are ground-engaged, and a collapsed position where they are located between the side frames and under the seat;
two footrests;
two hanger brackets, each having a first end operatively connected to a respective footrest, each hanger bracket having a second end, opposite the first end thereof, connected to a respective rotary joint, the footrests being movable in a vertical plane between an open position where they project forwards, and a collapsed position where they are 'J
5 ~
located between the side frames and under the seat;
two substantially parallel and horizontally disposed slide guides, each being located under the seat and longitudinally connected to a respective side frame;
horizontally disposed X-bracing members located under the seat and joint together by a central pivot, each bracing member having a first end pivotally connected to one of the side frames at a front or 10a rear location thereof, and a second end slidably connected to the opposite side frame at a rear or a front location thereof, respectively; and latch means for removably locking the second ends of the bracing members to the corresponding slide guide.
A non restrictive description of preferred embodiments will now be given with reference to the appended drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
2~ FIG. 1 is a side view of the wheelchair according to the present invention.
FIG. 2 is a front view of the wheelchair of FIG. 1, showing one half thereof.
FIG. 3 is a side view of the wheelchair of FIG. 1, shown without the footsteps and illustrating how the wheelchair is collapsed.
FIG. 4 is a view similar to FIG. 3, shown without the front wheels and illustrating how the footrests are retracted.
30FIG. 5 is a front view of the wheelchair of FIG. 1, shown in a collapsead position.
FIG. 6 is a top view of the wheelchair of FIG. 1, illustrating the X-bracing members in a normal open position.
FIG. 7 iS a top view similar to FIG. 6, showing the bracing members in a collapsed position.
~ ~8 FIG. 8 is a front view of the wheelchair of FIG. 1, in a collapsed position.
DESCRIPTION OF PREFERRED EMBODIMENTS
The drawings and the description use the following reference numerals:
wheelchair 11 side frames 12 rear wheels 13 hand rims 14 seat backrest section 16 backrest supports 17 push handles 18 armrests 19 retractable front wheels rotatory joints 21 footrests 23 rear axle mounting plates 33 X-bracing members 34 vertical pins central pivot 36 horizontal U-shaped sliding guides 37 latches 43 hand brakes hanger brackets As shown in the drawings, the collapsible wheelchair (lo) according to the present invention comprises a framework having a pair of opposite side frames (11), namely one left and one right. Each side frame (11) bears a corresponding rear wheel (12) operatively attached thereto by means of rear wheel axle mounting plates (23). The exact location of each plate (23) can vary as there are various horizontal and vertical - 2 ~ 5~
possible adjustments. The rear wheels (12) also comprise corresponding hand rails (13) attached on the side thereof so that the user may move the wheelchair (10) by hand.
A seat (14) is mounted on the framework and extends between the side frames (11). A backrest assembly is also pivotally connected to the framework. Elongated backrest supports (16) are used for holding the backrest section (15).
The seat (14) and the backrest section (15) are preferably made of a flexible fabric or a polymeric material, as it is 10 apparent to a person skilled in the art.
Push handles (17) may be provided on top of the backrest supports (16). The pushing handles (17) are pivotally connected to the corresponding backrest support (16) and fold out of the way in the plane defined by the backrest supports (16), as shown in FIG. 3.
Armrests (18) are provided on corresponding left and right sides of the backrest supports (16). The armrests (18) have a rear end pivotally connected to a location along a corresponding backrest support (16) and are collapsible thereon, as shown in FIG. 3.
The backrest (15), the backrest supports (16) and the collapsed armrests (18) can further be collapsed on the seat (14) for moving out of the way.
The pair of front wheels (19) provided on the wheelchair (10) are each operatively connected to a corresponding side frame (11) by a rotatory joint (20). The rotatory joints (20) can be alternately unlocked and rotated backward outside the framework and locked again in that position for moving out of the way. The footrests (21), that are usually present on most 30 wheelchairs, are adjustable and retractable. As shown in FIG.
4, each footrest (21) is mounted at the end of a corresponding hanger bracket (50). The hanger brackets (50) are themselves alternately movable between an open position and a retracted position. The hanger brackets (50) are preferably mounted on the rotatory joints (20). The footrests (21) can then be alternately rotated outside or inside the framework, where 2 ~ ~ ~ 4 ~ ~
they can be locked in normal extended or open position and partial or fully retracted positions.
Referring to FIGS. 6 to 8, the collapsible wheelchair (10) comprises a horizontally folding system. The horizontally folding system comprises a pair of X-bracing members (33) extending diagonally and transversely of the side frames (11) in the horizontal plane. Each bracing member (33) has one end, preferably the front end, pivotally connected to an end of a corresponding side frame (11) by a vertical pin (34), and 10 another end, pre~erably the back end, slidably connected along an end of the other side frame (11). The bracing members (33) are joined together by a substantially central pivot (35).
The horizontal folding system further comprises locking means for removably and alternately holding the bracing members (33) in the collapsed and the open position, thereby preventing unintentional opening or collapsing of the wheelchair (10). The locking means can be provided by appropriate latches (37) and/or by an optional actuating means used for moving the bracing members (33). To collapse or open 20 the wheelchair (10), the user has to push the side frames (11) .
To slidably connect the end of the bracing members (33) to the side frames (11), each side frame (11) may comprise a pair of horizontal U-shaped sliding guides (36) longitudinally connected to the side frames (11) along a back end thereof and generally facing each other.
Because of the way the wheelchair (10) is collapsing, the seat (14) and the backrest t16) are made of a flexible material.
In conclusion, the present invention provides a collapsible wheelchair having a lightweight construction that occupies a minimum space when collapsed for facilitating the manipulation and transportation while still providing the user with comfort in the normal open position. Another advantage of the present invention is that only the rear wheels need to be removed from the wheelchair for collapsing it.
.
,, - 2~4~
be removed from the wheelchair for collapsing it.
Although preferred embodiments of the invention have been described in detail herein and illustrated in the accompanying drawings, it is to be understood that the invention is not limited to these precise embodiments and that various changes and modifications may be effected therein without departing from the scope or spirit of the invention.
FIELD OF THE INVENTION
The present invention relates to a collapsible wheelchair for handicapped or invalid persons.
BACKGROUND OF THE INVENTION
There is a need to minimize physical efforts for the handicapped or invalid persons and to facilitate handling by reducing the size and the weight of wheelchairs for easing their manipulation and transportation. Generally, the wheelchairs known in the prior art have not provided suitable lightweight and compaction. It is often needed that the wheelchair be stored in very small locations, such as the trunk of a vehicle, and conventional wheelchairs with a foldable body are not satisfactory. Others require that numerous parts, in addition to the rear wheels, be removed from the wheelchair for collapsing it very compactly.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a collapsible wheelchair having a lightweight construction that occupies a minimum space when collapsed for facilitating the manipulation and transportation while still providing the user with comfort in the normal open position.
More particularly, the object of the present invention is to provide a collapsible wheelchair comprising:
two opposite side frames;
a seat connected to and extending between the side frames, the seat being made of a flexible material;
a backrest assembly having a backrest section extending between a pair of elongated backrest supports, each 2 9 ~
backrest support being pivotally connected to a corresponding side frame, the backrest supports being movable between an open position where they are projecting substantially vertically, and a folded position where they are substantially parallel to the seat, the backrest sect.ion being made of a flexible material;
two rear wheels removably connected to a corresponding side frame;
o two armrests, each having a back end pivotally connected to a location along a corresponding backrest support, the armrests being movable between an open position where they are substantially perpendicular to the backrest supports, and a collapsed position where they are upwardly collapsed against their respective backrest support;
two rotary joints connected in front of a respective side frame;
two front caster-type wheels;
two mounting members, each having a first end operatively connected to a respective front wheel, each mounting member having a second end, opposite the first end thereof, connected to a respective rotary joint, the front wheels being movable in a vertical plane between an open position where they are ground-engaged, and a collapsed position where they are located between the side frames and under the seat;
two footrests;
two hanger brackets, each having a first end operatively connected to a respective footrest, each hanger bracket having a second end, opposite the first end thereof, connected to a respective rotary joint, the footrests being movable in a vertical plane between an open position where they project forwards, and a collapsed position where they are 'J
5 ~
located between the side frames and under the seat;
two substantially parallel and horizontally disposed slide guides, each being located under the seat and longitudinally connected to a respective side frame;
horizontally disposed X-bracing members located under the seat and joint together by a central pivot, each bracing member having a first end pivotally connected to one of the side frames at a front or 10a rear location thereof, and a second end slidably connected to the opposite side frame at a rear or a front location thereof, respectively; and latch means for removably locking the second ends of the bracing members to the corresponding slide guide.
A non restrictive description of preferred embodiments will now be given with reference to the appended drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
2~ FIG. 1 is a side view of the wheelchair according to the present invention.
FIG. 2 is a front view of the wheelchair of FIG. 1, showing one half thereof.
FIG. 3 is a side view of the wheelchair of FIG. 1, shown without the footsteps and illustrating how the wheelchair is collapsed.
FIG. 4 is a view similar to FIG. 3, shown without the front wheels and illustrating how the footrests are retracted.
30FIG. 5 is a front view of the wheelchair of FIG. 1, shown in a collapsead position.
FIG. 6 is a top view of the wheelchair of FIG. 1, illustrating the X-bracing members in a normal open position.
FIG. 7 iS a top view similar to FIG. 6, showing the bracing members in a collapsed position.
~ ~8 FIG. 8 is a front view of the wheelchair of FIG. 1, in a collapsed position.
DESCRIPTION OF PREFERRED EMBODIMENTS
The drawings and the description use the following reference numerals:
wheelchair 11 side frames 12 rear wheels 13 hand rims 14 seat backrest section 16 backrest supports 17 push handles 18 armrests 19 retractable front wheels rotatory joints 21 footrests 23 rear axle mounting plates 33 X-bracing members 34 vertical pins central pivot 36 horizontal U-shaped sliding guides 37 latches 43 hand brakes hanger brackets As shown in the drawings, the collapsible wheelchair (lo) according to the present invention comprises a framework having a pair of opposite side frames (11), namely one left and one right. Each side frame (11) bears a corresponding rear wheel (12) operatively attached thereto by means of rear wheel axle mounting plates (23). The exact location of each plate (23) can vary as there are various horizontal and vertical - 2 ~ 5~
possible adjustments. The rear wheels (12) also comprise corresponding hand rails (13) attached on the side thereof so that the user may move the wheelchair (10) by hand.
A seat (14) is mounted on the framework and extends between the side frames (11). A backrest assembly is also pivotally connected to the framework. Elongated backrest supports (16) are used for holding the backrest section (15).
The seat (14) and the backrest section (15) are preferably made of a flexible fabric or a polymeric material, as it is 10 apparent to a person skilled in the art.
Push handles (17) may be provided on top of the backrest supports (16). The pushing handles (17) are pivotally connected to the corresponding backrest support (16) and fold out of the way in the plane defined by the backrest supports (16), as shown in FIG. 3.
Armrests (18) are provided on corresponding left and right sides of the backrest supports (16). The armrests (18) have a rear end pivotally connected to a location along a corresponding backrest support (16) and are collapsible thereon, as shown in FIG. 3.
The backrest (15), the backrest supports (16) and the collapsed armrests (18) can further be collapsed on the seat (14) for moving out of the way.
The pair of front wheels (19) provided on the wheelchair (10) are each operatively connected to a corresponding side frame (11) by a rotatory joint (20). The rotatory joints (20) can be alternately unlocked and rotated backward outside the framework and locked again in that position for moving out of the way. The footrests (21), that are usually present on most 30 wheelchairs, are adjustable and retractable. As shown in FIG.
4, each footrest (21) is mounted at the end of a corresponding hanger bracket (50). The hanger brackets (50) are themselves alternately movable between an open position and a retracted position. The hanger brackets (50) are preferably mounted on the rotatory joints (20). The footrests (21) can then be alternately rotated outside or inside the framework, where 2 ~ ~ ~ 4 ~ ~
they can be locked in normal extended or open position and partial or fully retracted positions.
Referring to FIGS. 6 to 8, the collapsible wheelchair (10) comprises a horizontally folding system. The horizontally folding system comprises a pair of X-bracing members (33) extending diagonally and transversely of the side frames (11) in the horizontal plane. Each bracing member (33) has one end, preferably the front end, pivotally connected to an end of a corresponding side frame (11) by a vertical pin (34), and 10 another end, pre~erably the back end, slidably connected along an end of the other side frame (11). The bracing members (33) are joined together by a substantially central pivot (35).
The horizontal folding system further comprises locking means for removably and alternately holding the bracing members (33) in the collapsed and the open position, thereby preventing unintentional opening or collapsing of the wheelchair (10). The locking means can be provided by appropriate latches (37) and/or by an optional actuating means used for moving the bracing members (33). To collapse or open 20 the wheelchair (10), the user has to push the side frames (11) .
To slidably connect the end of the bracing members (33) to the side frames (11), each side frame (11) may comprise a pair of horizontal U-shaped sliding guides (36) longitudinally connected to the side frames (11) along a back end thereof and generally facing each other.
Because of the way the wheelchair (10) is collapsing, the seat (14) and the backrest t16) are made of a flexible material.
In conclusion, the present invention provides a collapsible wheelchair having a lightweight construction that occupies a minimum space when collapsed for facilitating the manipulation and transportation while still providing the user with comfort in the normal open position. Another advantage of the present invention is that only the rear wheels need to be removed from the wheelchair for collapsing it.
.
,, - 2~4~
be removed from the wheelchair for collapsing it.
Although preferred embodiments of the invention have been described in detail herein and illustrated in the accompanying drawings, it is to be understood that the invention is not limited to these precise embodiments and that various changes and modifications may be effected therein without departing from the scope or spirit of the invention.
Claims (3)
1. A collapsible wheelchair comprising:
two opposite side frames;
a seat connected to and extending between the side frames, the seat being made of a flexible material;
a backrest assembly having a backrest section extending between a pair of elongated backrest supports, each backrest support being pivotally connected to a corresponding side frame, the backrest supports being movable between an open position where they are projecting substantially vertically, and a folded position where they are substantially parallel to the seat, the backrest section being made of a flexible material;
two rear wheels removably connected to a corresponding side frame;
two armrests, each having a back end pivotally connected to a location along a corresponding backrest support, the armrests being movable between an open position where they are substantially perpendicular to the backrest supports, and a collapsed position where they are upwardly collapsed against their respective backrest support;
two rotary joints connected in front of a respective side frame;
two front caster-type wheels;
two mounting members, each having a first end operatively connected to a respective front wheel, each mounting member having a second end, opposite the first end thereof, connected to a respective rotary joint, the front wheels being movable in a vertical plane between an open position where they are ground-engaged, and a collapsed position where they are located between the side frames and under the seat;
two footrests;
two hanger brackets, each having a first end operatively connected to a respective footrest, each hanger bracket having a second end, opposite the first end thereof, connected to a respective rotary joint, the footrests being movable in a vertical plane between an open position where they project forwards, and a collapsed position where they are located between the side frames and under the seat;
two substantially parallel and horizontally disposed slide guides, each being located under the seat and longitudinally connected to a respective side frame;
horizontally disposed X-bracing members located under the seat and joint together by a central pivot, each bracing member having a first end pivotally connected to one of the side frames at a front or a rear location thereof, and a second end slidably connected to the opposite side frame at a rear or a front location thereof, respectively; and latch means for removably locking the second ends of the bracing members to the corresponding slide guide.
two opposite side frames;
a seat connected to and extending between the side frames, the seat being made of a flexible material;
a backrest assembly having a backrest section extending between a pair of elongated backrest supports, each backrest support being pivotally connected to a corresponding side frame, the backrest supports being movable between an open position where they are projecting substantially vertically, and a folded position where they are substantially parallel to the seat, the backrest section being made of a flexible material;
two rear wheels removably connected to a corresponding side frame;
two armrests, each having a back end pivotally connected to a location along a corresponding backrest support, the armrests being movable between an open position where they are substantially perpendicular to the backrest supports, and a collapsed position where they are upwardly collapsed against their respective backrest support;
two rotary joints connected in front of a respective side frame;
two front caster-type wheels;
two mounting members, each having a first end operatively connected to a respective front wheel, each mounting member having a second end, opposite the first end thereof, connected to a respective rotary joint, the front wheels being movable in a vertical plane between an open position where they are ground-engaged, and a collapsed position where they are located between the side frames and under the seat;
two footrests;
two hanger brackets, each having a first end operatively connected to a respective footrest, each hanger bracket having a second end, opposite the first end thereof, connected to a respective rotary joint, the footrests being movable in a vertical plane between an open position where they project forwards, and a collapsed position where they are located between the side frames and under the seat;
two substantially parallel and horizontally disposed slide guides, each being located under the seat and longitudinally connected to a respective side frame;
horizontally disposed X-bracing members located under the seat and joint together by a central pivot, each bracing member having a first end pivotally connected to one of the side frames at a front or a rear location thereof, and a second end slidably connected to the opposite side frame at a rear or a front location thereof, respectively; and latch means for removably locking the second ends of the bracing members to the corresponding slide guide.
2. A wheelchair according to claim 1, wherein the first end of each bracing member is pivotally connected to the front location of the corresponding side frame and the second end of each bracing member is slidably connected to the corresponding slide guides located at a rear location of the side frames.
3. A wheelchair according to claim 1 or 2, further comprising two push handles, each pivotally connected to an upper end of a corresponding backrest support, the push handles being alternatively movable between an open position where they extend substantially horizontally, and a collapsed position where they extend substantially parallel to the backrest supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002096459A CA2096459C (en) | 1993-05-19 | 1993-05-19 | Collapsible wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002096459A CA2096459C (en) | 1993-05-19 | 1993-05-19 | Collapsible wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2096459A1 CA2096459A1 (en) | 1994-11-20 |
| CA2096459C true CA2096459C (en) | 1998-05-12 |
Family
ID=4151668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002096459A Expired - Fee Related CA2096459C (en) | 1993-05-19 | 1993-05-19 | Collapsible wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2096459C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000024352A1 (en) * | 1998-10-23 | 2000-05-04 | RØED, Svein, Erik | Transport chair device |
| CN101744691B (en) * | 2008-12-12 | 2011-10-19 | 上海互邦医疗器械有限公司 | Foldable rolling chair |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900013641A1 (en) * | 2019-08-01 | 2021-02-01 | Italdesign Giugiaro Spa | Motorized personal mobility vehicle |
-
1993
- 1993-05-19 CA CA002096459A patent/CA2096459C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000024352A1 (en) * | 1998-10-23 | 2000-05-04 | RØED, Svein, Erik | Transport chair device |
| CN101744691B (en) * | 2008-12-12 | 2011-10-19 | 上海互邦医疗器械有限公司 | Foldable rolling chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2096459A1 (en) | 1994-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |