WO2010051193A1 - Fauteuil roulant électrique - Google Patents

Fauteuil roulant électrique Download PDF

Info

Publication number
WO2010051193A1
WO2010051193A1 PCT/US2009/061426 US2009061426W WO2010051193A1 WO 2010051193 A1 WO2010051193 A1 WO 2010051193A1 US 2009061426 W US2009061426 W US 2009061426W WO 2010051193 A1 WO2010051193 A1 WO 2010051193A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheelchair
drive
suspension arm
support frame
coupled
Prior art date
Application number
PCT/US2009/061426
Other languages
English (en)
Inventor
George A. Turturiello
Original Assignee
Pride Mobility Products Corporation
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 Corporation filed Critical Pride Mobility Products Corporation
Publication of WO2010051193A1 publication Critical patent/WO2010051193A1/fr

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
    • A61G5/06—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
    • A61G5/063—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 with eccentrically mounted 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
    • A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame

Definitions

  • Powered wheelchairs typically have 4 or 6 wheels and may be configured to assist in curb climbing.
  • some mid-wheel drive wheelchairs such as those employing an Active-TrackTM suspension, available on some powered wheelchairs from Pride Mobility Products Corporation, have pivoting front caster arms that raise or are upwardly biased by motor torque to enhance the capability of the wheelchair to climb curbs.
  • United States Patent Number 6,129,165 which is assigned to the owner of the present invention, discloses biasing of the front wheels by motor torque for curb climbing in mid- wheel drive wheelchairs.
  • Front and/or rear wheel drive powered wheelchairs although not as commercially popular as mid-wheel drive chairs, also are commercially available. There are certain drawbacks, however, to the current curb climbing technology when it is applied to front and/or wheel drive powered wheelchairs. Accordingly, an improved system for assisting front and/or rear wheel drive powered wheelchairs in curb climbing capabilities is needed. [0006] Furthermore, suppliers of wheelchairs are constantly searching for a means to cut costs. Accordingly, a curb climbing system that is capable of being implemented in a front wheel drive wheelchair and/or a rear wheel drive wheelchair is needed.
  • a wheelchair may include a support frame, and a seat mounted to the support frame either directly or indirectly.
  • Each side of includes a drive wheel, a drive assembly, a suspension arm and a support wheel.
  • the drive wheel may be rotatably coupled proximate to an end of the support frame.
  • the drive assembly may be coupled to the drive wheel and pivotably coupled to the support frame at a motor assembly pivot.
  • the suspension arm may be coupled to the support frame at a suspension arm pivot and may extend from the suspension arm pivot.
  • the support wheel may be rotatably coupled to the suspension arm.
  • the suspension arm may be operatively coupled to the motor assembly such that motor torque may bias the rear wheels down as the drive wheels encounter an obstacle when the wheelchair is propelled forward, and the motor torque may bias the rear wheels up as the rear wheels encounter an obstacle when the wheelchair is propelled backward.
  • the present invention also encompasses a method of ascending an obstacle in a front-wheel drive powered wheelchair.
  • a front-wheel drive wheelchair may include a support frame and each side of the wheelchair may include a drive wheel, a drive assembly, a suspension arm and a rear wheel.
  • the drive assembly may operatively be coupled to the drive wheel and pivotably coupled to the support frame at a motor assembly pivot.
  • the suspension arm may be coupled to the support frame at a suspension arm pivot and may extend rearwardly from the suspension arm pivot.
  • the rear wheel may be coupled to the rearward extending arm.
  • the front wheel drive wheelchair may be positioned such that the front of the drive wheels are in contact with or in close proximity to an obstacle. Once the wheelchair is in position, the rear wheels may be urged downward as the drive wheels ascend the obstacle.
  • FIG. 4A is a side view depicting the center of gravity of the wheelchair shown in FIG. 1 when the tilt mechanism is not activated.
  • FIG. 4B is a side view depicting the center of gravity of the wheelchair shown in FIG. 1 when the tilt mechanism is fully activated.
  • FIG. 1 depicts a powered wheelchair 10.
  • Powered wheelchair 10 is a front wheel drive powered wheelchair.
  • front wheel drive means that the main drive wheels are nominally in the front of the wheelchair.
  • wheelchair 10 may also include a tilt mechanism 90 that enables seat 30 to tilt backwards.
  • tilt mechanism 90 mat be coupled to support frame 14, and seat 30 may be coupled to tilt mechanism 90.
  • Tilt mechanism may include a support member 94 that is capable of pivoting about the support frame 14. Preferably, support member pivots about a point 98 that is located about 1/3 the distance from the back of the support frame 14.
  • wheelchair 10 has a first center of gravity CG that is located at a first height from a support surface.
  • FIG. 1 first center of gravity
  • arm assembly 54 is designed to allow tilt mechanism 90 to lower wheelchair 10's center of gravity as much as possible.
  • a back portion of seat 30 is capable of extending into a recess 100 defined by suspension arm 46 and second spring 76.
  • a back portion of seat 30 may be at a height that is either equal to or below the height of motor assembly pivot 60. Because the center of gravity CG of wheelchair 10 is lower than traditional wheelchairs, standard vehicles may be used to transport wheelchair 10 and its user.

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)

Abstract

L'invention porte sur une configuration de fauteuil roulant et sur un procédé d'utilisation correspondant, qui présentent, en combinaison, une stabilité, une aptitude à grimper sur les bordures de trottoir et/ou une aptitude à l'inclinaison de siège. Un tel fauteuil roulant peut comprendre un châssis support et un siège monté sur le châssis support soit directement soit indirectement. Chaque côté du fauteuil roulant comprend une roue motrice, un ensemble moteur, un bras de suspension et une roue de support. Le bras de suspension peut être couplé de façon fonctionnelle à l'ensemble moteur de telle sorte que le couple moteur peut solliciter les roues de support vers le bas alors que les roues motrices rencontrent un obstacle lorsque le fauteuil roulant est propulsé dans une première direction, et le couple moteur peut solliciter les roues de support vers le haut alors que les roues de support rencontrent un obstacle lorsque le fauteuil roulant est propulsé dans une seconde direction.
PCT/US2009/061426 2008-10-27 2009-10-21 Fauteuil roulant électrique WO2010051193A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10869508P 2008-10-27 2008-10-27
US61/108,695 2008-10-27

Publications (1)

Publication Number Publication Date
WO2010051193A1 true WO2010051193A1 (fr) 2010-05-06

Family

ID=42129209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/061426 WO2010051193A1 (fr) 2008-10-27 2009-10-21 Fauteuil roulant électrique

Country Status (1)

Country Link
WO (1) WO2010051193A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1033279S1 (en) 2022-08-22 2024-07-02 Three Oceans, LLC Scooter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040262859A1 (en) * 2003-06-30 2004-12-30 Turturiello George A. Suspension system for a powered wheelchair
US20050046129A1 (en) * 2003-08-15 2005-03-03 Antonishak Stephen J. Constant center of gravity lift and tilt mechanisms for a wheelchair seat
US20050206149A1 (en) * 2004-03-16 2005-09-22 Mulhern James P Bi-directional anti-tip system for powered wheelchairs
US20060086554A1 (en) * 2004-10-21 2006-04-27 Sunrise Medical Hhg, Inc. Wheelchair reversible between front wheel drive and rear wheel drive

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040262859A1 (en) * 2003-06-30 2004-12-30 Turturiello George A. Suspension system for a powered wheelchair
US20050046129A1 (en) * 2003-08-15 2005-03-03 Antonishak Stephen J. Constant center of gravity lift and tilt mechanisms for a wheelchair seat
US20050206149A1 (en) * 2004-03-16 2005-09-22 Mulhern James P Bi-directional anti-tip system for powered wheelchairs
US20060086554A1 (en) * 2004-10-21 2006-04-27 Sunrise Medical Hhg, Inc. Wheelchair reversible between front wheel drive and rear wheel drive

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1033279S1 (en) 2022-08-22 2024-07-02 Three Oceans, LLC Scooter

Similar Documents

Publication Publication Date Title
US8186463B2 (en) Wheelchair with middle wheel drive
US8695737B2 (en) Device enabling an electric wheelchair to cross obstacles
EP1434545B1 (fr) Suspension de chaise roulante
US6530445B1 (en) Variable wheelbase personal mobility vehicle
EP1435889B1 (fr) Suspension de chaise roulante ayant un support de moteur pivotant
US6341657B1 (en) Suspension for central drive vehicle
US6357793B1 (en) Anti-tip wheel
US7726689B2 (en) Anti-tip system for a power wheelchair
US20110083913A1 (en) Wheelchair suspension
TWI403432B (zh) 輪型載具
AU2002341764A1 (en) Wheelchair suspension having pivotal motor mount
CA2487935A1 (fr) Scooter a roues centrales
JP7406308B2 (ja) 屋内用及び屋外用移動システム
US8118120B2 (en) Power wheel chair
US8113305B1 (en) Powered patient transport vehicle
US11311435B2 (en) Frame for utilization with components of wheelchair
WO2010051193A1 (fr) Fauteuil roulant électrique
US20240082082A1 (en) All-terrain electric wheelchair and corresponding assembly
AU2005100261B4 (en) Mobility solution
AU2014202550A1 (en) Wheelchair suspension
CA2605373C (fr) Suspension de chaise roulante

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09824020

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09824020

Country of ref document: EP

Kind code of ref document: A1