Wheelchair anti-tipping device

Details Wheelchair anti-tipping device Wheelchair anti-tipping device

1998-04-03

2000-04-11

Schwartz, Christopher P.

Land vehicles

Wheeled

Occupant propelled type

297209, B62M 114

Patent

active

060479795

ABSTRACT:
A wheelchair has a pair of wheels supporting a frame, a pair of front castors, a seat, and an anti-tipping device on the frame. The anti-tipping device includes an extensible and retractable displacement mechanism including an actuating member manually accessible by a person seated on the seat for displacing a ground engagement member between a forwardly retracted inoperative position, in which the ground engagement member is retracted beneath the seat, and a rearwardly extended operative or deployed position, in which the ground engagement member is extended rearwardly from the frame.

REFERENCES:
patent: 3573877 (1971-04-01), Locke
patent: 3580591 (1971-05-01), Coffey
patent: 3848883 (1974-11-01), Breacain
patent: 4125269 (1978-11-01), Kiel
patent: 4310167 (1982-01-01), McLaurin
patent: 4565385 (1986-01-01), Morford
patent: 4995628 (1991-02-01), Orpwood
patent: 5181733 (1993-01-01), Tague
patent: 5531284 (1996-07-01), Okamoto

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