All-purpose rocking, swiveling, reclining, and lifting chair

Details All-purpose rocking, swiveling, reclining, and lifting chair All-purpose rocking, swiveling, reclining, and lifting chair

1990-04-03

1991-06-18

Dorner, Kenneth J.

Chairs and seats

Movable bottom

Tiltable

297 85, 297DIG10, A47C 102

Patent

active

050244868

ABSTRACT:
The present invention provides for a power operated chair that can be operated in a rock and swivel, recline, or lift mode or any combination thereof. The chair is specifically designed to prevent the rocking and swiveling motion when the occupant is using the lift or recline features of the chair. The chair uses a recline mechanical linkage and a seat lift mechanical linkage that are mechanically linked by a guide roller in a guide channel which permits the use of a single drive motor and provides for a smooth transition from the recline mode to the lift mode. The guide roller and guide channel also prevent the inadvertent lifting of the seat if the back of the chair is forcibly reclined.

REFERENCES:
patent: 3596991 (1971-08-01), McKee et al.
patent: 4083599 (1978-04-01), Gaffney
patent: 4179157 (1979-12-01), Shoemaker et al.
patent: 4212495 (1980-07-01), Gall
patent: 4384698 (1983-05-01), Courtois et al.
patent: 4850645 (1989-07-01), Crockett
patent: 4852939 (1989-08-01), Krauska
patent: 4909569 (1990-03-01), Gaffney

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