Armchair with seatlift

Details Armchair with seatlift Armchair with seatlift

1997-02-20

1998-10-06

Cuomo, Peter M.

Chairs and seats

Movable bottom

Movable independently of back

29734414, 297339, A47C 332

Patent

active

058166556

ABSTRACT:
A liftchair for a disabled person, or a person with weak legs. It has a seat adapted selectively to move vertically down from a normal sitting-height and to a position close to and directly above the floor, and again up to the normal sitting height. A drive mechanism to move the seat up and down includes a reversible electric motor and reversible control switch to selectively move the seat up or down in the liftchair. A brake is included to automatically lock the seat in any vertical position upon the motor being de-activated.

REFERENCES:
patent: 1870747 (1932-08-01), Ralston
patent: 1888136 (1932-11-01), McDermott
patent: 2522180 (1950-09-01), Jones
patent: 2578382 (1951-12-01), Thompson
patent: 3076678 (1963-02-01), Griffin
patent: 3693739 (1972-09-01), Kaloustian et al.
patent: 3894601 (1975-07-01), Gestring
patent: 3915494 (1975-10-01), Somerset
patent: 3938820 (1976-02-01), Nabinger
patent: 4415202 (1983-11-01), Pew
patent: 4527976 (1985-07-01), Behringer et al.
patent: 4542864 (1985-09-01), Hart
patent: 5427337 (1995-06-01), Biggs

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