CA2283355A1 - Curb-climbing power wheelchair - Google Patents

Curb-climbing power wheelchair Download PDF

Info

Publication number
CA2283355A1
CA2283355A1 CA002283355A CA2283355A CA2283355A1 CA 2283355 A1 CA2283355 A1 CA 2283355A1 CA 002283355 A CA002283355 A CA 002283355A CA 2283355 A CA2283355 A CA 2283355A CA 2283355 A1 CA2283355 A1 CA 2283355A1
Authority
CA
Canada
Prior art keywords
frame
curb
drive wheels
power wheelchair
climbing power
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
CA002283355A
Other languages
French (fr)
Other versions
CA2283355C (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
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 CA2283355A1 publication Critical patent/CA2283355A1/en
Application granted granted Critical
Publication of CA2283355C publication Critical patent/CA2283355C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Handcart (AREA)
  • Road Paving Structures (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Output Control And Ontrol Of Special Type Engine (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)

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.
CA002283355A 1997-04-15 1998-04-14 Curb-climbing power wheelchair Expired - Fee Related CA2283355C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4197397P 1997-04-15 1997-04-15
US60/041,973 1997-04-15
PCT/US1998/007543 WO1998046184A1 (en) 1997-04-15 1998-04-14 Curb-climbing front wheel drive power wheelchair

Publications (2)

Publication Number Publication Date
CA2283355A1 true CA2283355A1 (en) 1998-10-22
CA2283355C CA2283355C (en) 2001-04-03

Family

ID=21919354

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002283355A Expired - Fee Related CA2283355C (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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6601863B1 (en) 1997-10-06 2003-08-05 Invacare Corporation Mid-wheel drive wheelchair with rigid front wheel anti-tip stabilizer
US5848658A (en) * 1997-10-06 1998-12-15 Invacare Corporation Adjustable front wheel stabilizer for power wheelchair
WO2000008910A2 (en) * 1998-08-14 2000-02-24 Sunrise Medical Hhg Inc. Resilient suspension system for a wheelchair
US6070898A (en) * 1998-08-14 2000-06-06 Sunrise Medical, Inc. 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
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US7293801B2 (en) 2003-08-18 2007-11-13 Invacare Corporation Self-stabilizing suspension for wheeled vehicles
TW583968U (en) * 2003-06-13 2004-04-11 Pihsiang Machinery Mfg Co Ltd Suspension structure of independent front guide wheel for wheelchair
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
EP2277490B1 (en) 2007-02-08 2015-01-14 Invacare Corporation Wheelchair suspension
DK2340800T3 (en) 2007-02-14 2013-07-22 Invacare Corp STABILITY MANAGEMENT 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
NZ628837A (en) 2012-02-15 2016-10-28 Invacare Corp Wheelchair suspension
CA3104625C (en) 2018-07-06 2023-06-13 Pride Mobility Products Corporation Mobility vehicle

Family Cites Families (11)

* 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
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
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
FR2689003A1 (en) * 1992-03-31 1993-10-01 Long Shine Enterprise Co Ltd Motorized chair on wheels.
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
AU3837895A (en) * 1994-11-18 1996-06-17 Degonda-Rehab S.A. Wheel-chair for transporting or assisting the displacement of at least one user, particularly for a handicaped person

Also Published As

Publication number Publication date
AU733470B2 (en) 2001-05-17
GB2334244B (en) 2001-10-10
EP0973475A1 (en) 2000-01-26
CA2283355C (en) 2001-04-03
ATE299007T1 (en) 2005-07-15
AU7118498A (en) 1998-11-11
GB2334244A (en) 1999-08-18
WO1998046184A1 (en) 1998-10-22
DE69830787D1 (en) 2005-08-11
EP0973475B1 (en) 2005-07-06
GB9913770D0 (en) 1999-08-11

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed