GB2334244A - Curb-climbing front wheel drive power wheelchair - Google Patents

Curb-climbing front wheel drive power wheelchair

Info

Publication number
GB2334244A
GB2334244A GB9913770A GB9913770A GB2334244A GB 2334244 A GB2334244 A GB 2334244A GB 9913770 A GB9913770 A GB 9913770A GB 9913770 A GB9913770 A GB 9913770A GB 2334244 A GB2334244 A GB 2334244A
Authority
GB
United Kingdom
Prior art keywords
curb
front wheel
frame
drive power
wheel drive
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
GB9913770A
Other versions
GB2334244B (en
GB9913770D0 (en
Inventor
Walter E Schaffner
James P Mulhern
Stephen J Antonishak
Gerald J White
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.)
Pride Mobility Products Corp
Original Assignee
Pride Mobility Products Corp
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 Pride Mobility Products Corp filed Critical Pride Mobility Products Corp
Publication of GB9913770D0 publication Critical patent/GB9913770D0/en
Publication of GB2334244A publication Critical patent/GB2334244A/en
Application granted granted Critical
Publication of GB2334244B publication Critical patent/GB2334244B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/042—Front wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1089—Anti-tip devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/14—Joysticks
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
    • A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
    • 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

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)
  • Road Paving Structures (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

A curb-climbing front wheel drive power wheelchair has a frame, a seat connected to the frame, a pair of drive wheels connected to the frame and rotatable about transverse axis below a portion of the seat supporting the wheelchair occupant's thighs and at least one ground-engaging idler wheel connected to the frame behind the drive wheels and anti-tip wheels forward of the drive wheels and rigidly connected to the motors for pivotal movement.
GB9913770A 1997-04-15 1998-04-14 Curb-climbing power wheelchair Expired - Lifetime GB2334244B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4197397P 1997-04-15 1997-04-15
PCT/US1998/007543 WO1998046184A1 (en) 1997-04-15 1998-04-14 Curb-climbing front wheel drive power wheelchair

Publications (3)

Publication Number Publication Date
GB9913770D0 GB9913770D0 (en) 1999-08-11
GB2334244A true GB2334244A (en) 1999-08-18
GB2334244B GB2334244B (en) 2001-10-10

Family

ID=21919354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9913770A Expired - Lifetime GB2334244B (en) 1997-04-15 1998-04-14 Curb-climbing power wheelchair

Country Status (7)

Country Link
EP (1) EP0973475B1 (en)
AT (1) ATE299007T1 (en)
AU (1) AU733470B2 (en)
CA (1) CA2283355C (en)
DE (1) DE69830787D1 (en)
GB (1) GB2334244B (en)
WO (1) WO1998046184A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2402657A (en) * 2003-06-13 2004-12-15 Pi Hsiang Machinery Mfg Co Suspension structure for front wheel assembly of a wheelchair

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5848658A (en) * 1997-10-06 1998-12-15 Invacare Corporation Adjustable front wheel stabilizer for power wheelchair
US6601863B1 (en) 1997-10-06 2003-08-05 Invacare Corporation Mid-wheel drive wheelchair with rigid front wheel anti-tip stabilizer
US6070898A (en) * 1998-08-14 2000-06-06 Sunrise Medical, Inc. Suspension system for a wheelchair
WO2000008910A2 (en) * 1998-08-14 2000-02-24 Sunrise Medical Hhg Inc. Resilient suspension system for a wheelchair
GB9905305D0 (en) 1999-03-09 1999-04-28 Sunrise Medical Ltd Improvements in vehicles
SE520868C2 (en) * 1999-03-17 2003-09-09 Permobil Ab Wheelchair tip protection
US6554086B1 (en) 2000-10-27 2003-04-29 Invacare Corporation Obstacle traversing wheelchair
SE523203C2 (en) * 2001-03-09 2004-03-30 Margana Ag Apparatus for facilitating operation with a walker and a walker provided with such a device
US7040429B2 (en) 2001-10-10 2006-05-09 Invacare Corporation Wheelchair suspension
US7066290B2 (en) * 2001-10-19 2006-06-27 Invacare Corp. Wheelchair suspension having pivotal motor mount
US7293801B2 (en) 2003-08-18 2007-11-13 Invacare Corporation Self-stabilizing suspension for wheeled vehicles
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
AU2005100261B4 (en) * 2005-03-27 2005-08-18 Zhang, Dongning Mr Mobility solution
US7896394B2 (en) 2005-08-18 2011-03-01 Sunrise Medical Hhg, Inc. Midwheel drive wheelchair with independent front and rear suspension
CA2566551C (en) * 2006-10-31 2009-04-07 Volodymyr Ivanchenko Apparatus for transporting an invalid
EP2272478B1 (en) 2007-02-08 2012-05-23 Invacare Corporation Wheelchair suspension
CA2911675C (en) 2007-02-14 2018-09-18 Invacare Corporation Stability control system
EP3238682A3 (en) 2009-10-09 2018-01-10 Invacare Corporation Wheelchair suspension with opposite movement of anti-tip arms
US8851214B2 (en) 2010-07-15 2014-10-07 Permobil Ab Electric mid-wheel drive wheelchair
AU2013221283B2 (en) 2012-02-15 2017-05-25 Invacare Corporation Wheelchair suspension
CN117022509A (en) 2018-07-06 2023-11-10 优动产品公司 Motor vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399822A1 (en) * 1977-08-09 1979-03-09 Dupont Lit Sa Folding wheel chair for handicapped people - consists of frame on two drive wheels, with seat mounted by parallel arms raised and lowered by jack
GB2265868A (en) * 1992-03-31 1993-10-13 Long Shine Enterprise Co Ltd Power-driven wheeled chair.
WO1996015752A1 (en) * 1994-11-18 1996-05-30 Degonda-Rehab S.A. Wheel-chair for transporting or assisting the displacement of at least one user, particularly for a handicaped person

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE381563B (en) 1973-03-19 1975-12-15 Stiftelsen Teknisk Hjelp At Ha HAND-DRIVEN WHEELCHAIR
US4387325A (en) 1981-04-15 1983-06-07 Invacare Corporation Electric wheelchair with speed control circuit
SE431393B (en) 1982-05-03 1984-02-06 Permobil Ab STEERABLE, ENGINE DRIVE WHEEL
SE438960B (en) 1982-05-04 1985-05-28 Permobil Ab Wheelchair footrest device
US5094310A (en) 1988-11-17 1992-03-10 Invacare Corporation Powered wheelchair having transversely mounted drive mechanism
US5145020A (en) 1990-11-14 1992-09-08 Invacare Corporation Suspension for seat of powered wheel chair
US5366037A (en) 1992-11-23 1994-11-22 Invacare Corporation Powered wheelchair having drive motors integrated into driven wheels
DE4420877C2 (en) 1994-06-15 2001-09-20 Invacare Deutschland Gmbh wheelchair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399822A1 (en) * 1977-08-09 1979-03-09 Dupont Lit Sa Folding wheel chair for handicapped people - consists of frame on two drive wheels, with seat mounted by parallel arms raised and lowered by jack
GB2265868A (en) * 1992-03-31 1993-10-13 Long Shine Enterprise Co Ltd Power-driven wheeled chair.
WO1996015752A1 (en) * 1994-11-18 1996-05-30 Degonda-Rehab S.A. Wheel-chair for transporting or assisting the displacement of at least one user, particularly for a handicaped person

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2402657A (en) * 2003-06-13 2004-12-15 Pi Hsiang Machinery Mfg Co Suspension structure for front wheel assembly of a wheelchair
GB2402657B (en) * 2003-06-13 2005-05-04 Pi Hsiang Machinery Mfg Co A suspension structure for a wheelchair

Also Published As

Publication number Publication date
CA2283355C (en) 2001-04-03
EP0973475A1 (en) 2000-01-26
AU7118498A (en) 1998-11-11
WO1998046184A1 (en) 1998-10-22
DE69830787D1 (en) 2005-08-11
CA2283355A1 (en) 1998-10-22
GB2334244B (en) 2001-10-10
EP0973475B1 (en) 2005-07-06
GB9913770D0 (en) 1999-08-11
ATE299007T1 (en) 2005-07-15
AU733470B2 (en) 2001-05-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20180413