Hand grip controlled, user assisted raising chair

Details Hand grip controlled, user assisted raising chair Hand grip controlled, user assisted raising chair

1985-04-01

1986-07-08

McCall, James T.

Chairs and seats

With handle

For use with chair in collapsed position

280289WC, 297338, 297339, 297411, 297DIG10, 297DIG4, A47C 452

Patent

active

045989443

ABSTRACT:
The raising wheel chair substantially comprises the frame (11), wheels (13 and 15) and the seat (17) pivotably connected to the frame (11). A footrest (21) at the front and a backrest (19) at the back are pivotably connected to the seat (17). For raising the user into an upright position, a spring (27) applies a force which acts counter to the weight of the user, so as to facilitate raising the user to an erect position. A support arm (37) which can be arrested in various positions is pivotably connected to the pivot axis on both sides of the frame (11). To arrest the support arm, the locking lever (41) has a multiplicity of locking positions (45), which can be engaged by a locking element (47). The arm (37) can be put into a horizontal position, in which it offers no hindrance to the user in performing a lateral transfer movement, for instance to shift to a toilet seat.

REFERENCES:
patent: 3759544 (1973-09-01), Korpela
patent: 4067249 (1978-01-01), Deucher
patent: 4076304 (1978-02-01), Deucher

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