Chairs and seats – Movable bottom – Tiltable
Patent
1992-11-02
1994-08-02
Saether, Flemming
Chairs and seats
Movable bottom
Tiltable
247330, 247DIG10, A47L 100
Patent
active
053339312
ABSTRACT:
A portable seat lift that can help individuals either (1) lower themselves to a sitting position or (2) raise themselves to a standing position. The portable seat lift consists of a seat mounted on a base with two levers, which are powered by a drive unit.
REFERENCES:
patent: 239862 (1881-04-01), Shupe
patent: 3250569 (1966-05-01), Gaffney
patent: 3479086 (1969-11-01), Sheridan
patent: 3848845 (1974-11-01), Bogart
patent: 4581778 (1986-04-01), Pontoppidan
patent: 4838612 (1989-06-01), Cross
patent: 5082327 (1992-01-01), Crisp
Saether Flemming
Seemann Jerry L.
The United States of America as represented by the Administrator
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