GB2581623A - Wheelchair - Google Patents

Wheelchair Download PDF

Info

Publication number
GB2581623A
GB2581623A GB2005267.6A GB202005267A GB2581623A GB 2581623 A GB2581623 A GB 2581623A GB 202005267 A GB202005267 A GB 202005267A GB 2581623 A GB2581623 A GB 2581623A
Authority
GB
United Kingdom
Prior art keywords
wheelchair
support
chassis
leg support
seat portion
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.)
Granted
Application number
GB2005267.6A
Other versions
GB2581623B (en
GB202005267D0 (en
Inventor
Nicholas George Reid Joshua
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.)
Poolpod Products Ltd
Original Assignee
Poolpod Products Ltd
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 Poolpod Products Ltd filed Critical Poolpod Products Ltd
Publication of GB202005267D0 publication Critical patent/GB202005267D0/en
Publication of GB2581623A publication Critical patent/GB2581623A/en
Application granted granted Critical
Publication of GB2581623B publication Critical patent/GB2581623B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • 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
    • A61G5/0875—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable dismountable, e.g. where the wheelchair can be disassembled for transportation or storage
    • 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
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for 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
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to 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
    • A61G5/1075—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
    • A61G5/1086—Anti-roll-back devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1097—Camber- or toe-adjusting means for the drive wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/122—Rests specially adapted therefor, e.g. for the head or the feet for the back
    • 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
    • A61G5/127—Rests specially adapted therefor, e.g. for the head or the feet for lower legs
    • 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)
  • Handcart (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

A wheelchair (10) comprises a chassis (12) formed of two spaced-apart side members (30, 32) and a transverse cross-member (34). The transverse cross member (34) connects the side members (30, 32) to form the chassis (12). The transverse cross member (34) is connected to each side member (30, 32) towards the top and towards the front of each side member (30, 32). The front wheels (24R, 24L) connect to the front of each side member (30, 32) and the rear wheels (22R, 22L) connect to the rear of each side member (30, 32) and a leading edge of the seat assembly (14) is connected to the chassis (12) proximate the transverse cross member (34).

Claims (32)

1. A wheelchair comprising: a chassis; front wheels; rear wheels; and a seat assembly; wherein the front wheels, rear wheels and seat assembly are connectable to the chassis; and wherein the chassis comprises two spaced-apart side members and a transverse cross-member connecting the side members, wherein the transverse cross member is connected to each side member towards the top and towards the front of each side member, and wherein a leading edge of the seat is connected to the chassis proximate the transverse cross member.
2. A wheelchair as claimed in claim 1 , wherein the seat assembly is pivotally connected to the chassis such that it is pivotal relative to the transverse cross member between a rearward inclined configuration and an upright position, wherein the upright position is between substantially horizontal and a forward inclined position.
3. A wheelchair as claimed in claim 1 or 2, wherein the seat assembly is connected at the leading edge to the transverse cross member, wherein the transverse cross member defines an axis about which the seating assembly pivots.
4. A wheelchair as claimed in any preceding claim, wherein the seat assembly comprises a seat portion, and a backrest portion, wherein the backrest portion is slidably connected to the seat portion such that the depth of the seat portion is adjustable.
5. A wheelchair as claimed in claim 4, wherein the backrest portion includes an attachment member comprising a bulbous profile, wherein the bulbous profile is defined by a shaped void that extends rearwards, down and returns forward, wherein the void is dimensioned to accommodate a length or the seat portion during adjustment of seat depth, wherein the attachment member terminates with a substantially straight section, wherein the substantially straight section facilitates connection of the backrest portion relative to the seat portion and wherein the substantially straight section facilitates displacement of the backrest portion relative to the seat portion.
6. A wheelchair as claimed in claim 5, wherein the substantially straight section is received in the rear of the seat portion and is operable to slide, guided by and relative to the seat portion to adjust the depth of the seat portion.
7. A wheelchair as claimed in claim 4, 5 or 6, wherein the backrest portion comprises at least one height adjustable back-support component, wherein the at least one height adjustable back-support component is movable relative to the seat portion to adjust the extent of back support.
8. A wheelchair as claimed in any preceding claim, further comprising a leg support, which is pivotally connected to the chassis or the seat assembly, wherein the leg support is pivotal relative to the leading edge of the seat assembly and the transverse cross member.
9. A wheelchair as claimed in claim 8, wherein the leg support is dimensioned to fit between the side members of the chassis such that the leg support is pivotal between an extended and retracted configuration; wherein the extended configuration is where the leg support extends forward of the chassis and a lower edge of the leg support is located forward of the leading edge of the seat portion; and the retracted configuration is where the leg support extends towards the rear of the chassis, and the lower edge of the leg support is located between the side members and rearward of the leading edge of the seat portion.
10. A wheelchair as claimed in claim 8 or 9, wherein the leg support is pivotally dependent on the seat portion, wherein reclining the seat portion causes the leg support to extend forward of the chassis.
11. A wheelchair as claimed in claim 8, 9 or 10, wherein the leg support is pivotally independent of the chassis, wherein the leg support is operable to pivot towards the rear of the chassis independent of the position of the seat portion.
12. A wheelchair as claimed in claim 12, wherein the pivotally independent relationship of the leg support and the seat portion requires the seat portion to be in an upright configuration, wherein the upright configuration is where the seat portion is oriented between a forward incline and substantially horizontal orientation.
13. A wheelchair as claimed in any of claims 8 to 12, wherein the leg support is pivotally connected to the leading edge of the seat portion or to the transverse cross member, wherein the leading edge of the seat portion or the transverse cross member define an axis of rotation.
14. A wheelchair as claimed in any of claims 8 to 13, wherein the leg support comprises an upper support member and a lower support member, wherein the lower support member is configured to move relative to the upper support member to adjust the length of the leg support.
15. A wheelchair as claimed in claim 14, wherein the lower support member slidably engages with the upper support member to adjust the length of the leg support.
16. A wheelchair as claimed in claim 14 or 15, further comprising a foot rest connected to or forming part of the lower support member, wherein the foot rest is located at a lower end of the lower support member.
17. A wheelchair as claimed in any of claims 8 to 16, wherein the leg support further comprises an actuation member operable to lock the leg support against pivotal movement and operable to release the leg support for retraction rearwards relative to the chassis.
18. A wheelchair as claimed in any of claims 8 to 17, wherein the leg support is narrower than a gap between the front wheels such that the leg support passes between the wheels during retraction.
19. A wheelchair as claimed in any of claims 8 to 18, wherein the leg support is configured to support both legs.
20. A wheelchair as claimed in any preceding claim, further comprising arm rests pivotally connected towards the rear of a bottom receiving seat portion of the seat assembly, wherein the arms are pivotal about a horizontal axis and in a vertical plane.
21. A wheelchair as claimed in any of claims 4 to 20, wherein the backrest portion comprises one or more back support components, wherein one or more of the back support components are height adjustable relative to the seat portion and in use relative to a user's back and head.
22. A wheelchair as claimed in any of claims 4 to 20, wherein the backrest portion comprises at least a head support portion and a lumbar support portion, wherein the head support portion includes a handle to the rear, wherein the handle is configured for assisted propulsion of the wheelchair.
23. A wheelchair as claimed in any preceding claim, further comprising a flotation aid configured to overlay the seat assembly.
24. A wheelchair as claimed in claim 23, wherein the flotation aid comprise buoyancy elements distributed about the perimeter of the flotation aid and wherein the buoyancy elements are configured, in use to raise the flotation aid and user from the seat assembly, when the wheelchair is immersed in a body of water.
25. A wheelchair as claimed in claim 23 or claim 24, wherein the flotation aid comprises a full body support element and additional support for a user's head.
26. A wheelchair as claimed in claim 23, 24 or 25, wherein the flotation aid further comprises one or more sling attachment points thereby facilitating lifting a user from the wheelchair.
27. A wheelchair as claimed in any preceding claim, wherein one or more of the front wheels comprises a forward facing projection operable to engage with a stop provided on a surface upon which the wheelchair is supported, such that engagement of the forward facing projection and the stop prevents rolling of the wheelchair.
28. A wheelchair as claimed in any preceding claim, further comprising a releasable fastener connecting the side members and the transverse cross member, such that the side members and the transverse cross member are releasably connected to collapse the chassis to a suitable size for storage or transportation.
29. A wheelchair as claimed in claim 28, wherein the releasable fastener provides a pivotal connection such that upon release of the fastener one or both side members are pivotal relative to the transverse cross member.
30. A wheelchair as claimed in claim 28 or 29, wherein the side members are disconnectable from the transverse cross member to collapse the chassis to a suitable size for storage or transportation.
31. A wheelchair as claimed in any preceding claim, wherein each side member comprises a substantially straight portion defining the rear of the chassis and a curved portion defining the front of the chassis.
32. A wheelchair as claimed in any preceding claim, wherein the rear wheels include a diameter substantially equal to or less than the height of a bottom receiving part of the seat assembly, when the seat assembly is in an upright configuration wherein the upright position is between substantially horizontal and a forward inclined position.
GB2005267.6A 2017-09-14 2018-09-14 Wheelchair Active GB2581623B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1714812.3A GB2566482A (en) 2017-09-14 2017-09-14 Wheelchair
PCT/GB2018/052628 WO2019053453A1 (en) 2017-09-14 2018-09-14 Wheelchair

Publications (3)

Publication Number Publication Date
GB202005267D0 GB202005267D0 (en) 2020-05-27
GB2581623A true GB2581623A (en) 2020-08-26
GB2581623B GB2581623B (en) 2022-12-14

Family

ID=60159291

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1714812.3A Withdrawn GB2566482A (en) 2017-09-14 2017-09-14 Wheelchair
GB2005267.6A Active GB2581623B (en) 2017-09-14 2018-09-14 Wheelchair

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1714812.3A Withdrawn GB2566482A (en) 2017-09-14 2017-09-14 Wheelchair

Country Status (2)

Country Link
GB (2) GB2566482A (en)
WO (1) WO2019053453A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382036A (en) * 1992-06-02 1995-01-17 Quickie Designs Inc. Molded, fiber-reinforced, tubular wheelchair frame assembly and method
WO2000069385A1 (en) * 1999-05-13 2000-11-23 Steadman William D Wheelchair
US20010008335A1 (en) * 1996-10-15 2001-07-19 James Roche Wheel chair
ES2205965A1 (en) * 2001-04-20 2004-05-01 Asociacion Instituto De Biomecanica De Valencia Amphibious wheelchair for use by physically handicapped person, has buoyant floats, which serve as armrests, removably attached to seat using system of clips or studs
US20050022296A1 (en) * 2003-07-30 2005-02-03 Jensen Neil B. Collapsible wheel chair with displaceable seat panels
US20060049608A1 (en) * 2004-09-09 2006-03-09 Sunrise Medical Hhg Inc. Camber tube level
US20060087098A1 (en) * 2004-10-25 2006-04-27 Peterson Christopher J Wheelchair

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152543A (en) * 1990-11-15 1992-10-06 Everest & Jennings, Inc Composite frame wheelchair

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382036A (en) * 1992-06-02 1995-01-17 Quickie Designs Inc. Molded, fiber-reinforced, tubular wheelchair frame assembly and method
US20010008335A1 (en) * 1996-10-15 2001-07-19 James Roche Wheel chair
WO2000069385A1 (en) * 1999-05-13 2000-11-23 Steadman William D Wheelchair
ES2205965A1 (en) * 2001-04-20 2004-05-01 Asociacion Instituto De Biomecanica De Valencia Amphibious wheelchair for use by physically handicapped person, has buoyant floats, which serve as armrests, removably attached to seat using system of clips or studs
US20050022296A1 (en) * 2003-07-30 2005-02-03 Jensen Neil B. Collapsible wheel chair with displaceable seat panels
US20060049608A1 (en) * 2004-09-09 2006-03-09 Sunrise Medical Hhg Inc. Camber tube level
US20060087098A1 (en) * 2004-10-25 2006-04-27 Peterson Christopher J Wheelchair

Also Published As

Publication number Publication date
GB2581623B (en) 2022-12-14
GB201714812D0 (en) 2017-11-01
WO2019053453A1 (en) 2019-03-21
GB202005267D0 (en) 2020-05-27
GB2566482A (en) 2019-03-20

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