Wheel chairs

Details Wheel chairs Wheel chairs

1990-01-12

1992-04-28

Aschenbrenner, Peter A.

Chairs and seats

Movable bottom

Tiltable

257DIG10, 257316, A47C 102

Patent

active

051082020

ABSTRACT:
A wheelchair with a seat on which a patient can sit, a back rest for the patient when sitting on the seat, and a lifting device for lifting a patient in the wheel chair into a standing position. The lifting device being a jack with manually operable mechanism for extending said jack and a linkage connecting the jack to the seat and to the backrest and including a parallel movement link means. The arrangement being such that on extension of the jack, the seat and back rest will be moved with the back rest carrying out movement in a substantially parallel direction so that the patient will be moved from a sitting position to substantially a standing position.

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patent: 3640566 (1972-02-01), Hodge
patent: 3937519 (1976-02-01), Schoolden
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patent: 4076304 (1978-02-01), Deucher
patent: 4231614 (1980-11-01), Shaffer
patent: 4456086 (1984-06-01), Wier et al.
patent: 4519649 (1985-05-01), Tanaka et al.
patent: 4552404 (1985-11-01), Congleton
patent: 4569556 (1986-02-01), Pillot
patent: 4623194 (1986-11-01), Pillot

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