Seat elevating mechanism for chair

Details Seat elevating mechanism for chair Seat elevating mechanism for chair

2006-04-04

2006-04-04

Brown, Peter R. (Department: 3636)

Chairs and seats

Movable bottom

Movable independently of back

C297S338000, C297SDIG010

Reexamination Certificate

active

07021713

ABSTRACT:
A seat elevating mechanism for chair particularly designed for old men and patients having weak legs mainly includes a seat that can be elevated or lowered using a power-actuated telescopic lifter. The seat is maintained in a horizontal position while being elevated or lowered, so that a user may stably sit thereon until the seat is fully elevated or lowered to enable the user to get up or sit down effortlessly.

REFERENCES:
patent: 1025915 (1912-05-01), Hoff
patent: 4938533 (1990-07-01), Thielois
patent: 5316370 (1994-05-01), Newman
patent: 5333931 (1994-08-01), Weddendorf
patent: 5626389 (1997-05-01), Logan, Jr.
patent: 6213554 (2001-04-01), Marcoux et al.
patent: 6851751 (2005-02-01), Romero et al.
patent: 6871910 (2005-03-01), Hale

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