Chairs and seats – Movable bottom – Tiltable
Patent
1989-02-23
1990-05-29
Aschenbrenner, Peter A.
Chairs and seats
Movable bottom
Tiltable
297DIG4, 297DIG10, 297183, 297339, A47C 102
Patent
active
049290223
ABSTRACT:
A chair having lifting means for assisting a physically impaired occupant to arise out of the chair, the chair having a frame, a seat having its forward edge hingedly mounted on the frame, and means for applying lifting force to cause the rear edge of the seat to be lifted upwardly to assist the occupant to arise, comprising foot-operated lever means arranged to impart lifting force to the seat when the occupant applies foot force to a foot step connected to the lever means, manually operated lever means to apply lifting force when the manually operated lever means is pulled back by the hands of the occupant, means for coupling the foot-operated lever means with the manually operated lever means, and, in a preferred embodiment, spring means providing additional force in assisting the seat to be raised, the arrangement being such that when the occupant steps on the foot step and pulls back on the manually operated lever means, the rear portion of the seat is raised and assists the occupant to arise out of the chair. In an additional embodiment the same mechanism is used in a wheel chair having occupant lifting capabilities.
REFERENCES:
patent: 4456086 (1984-06-01), Wier et al.
patent: 4506930 (1985-03-01), Lambert
patent: 4519649 (1985-05-01), Tanaka et al.
patent: 4598944 (1986-07-01), Meyer et al.
patent: 4632455 (1986-12-01), Schiller et al.
Aschenbrenner Peter A.
Kurlandsky Samuel
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