Multi-position examination chair

Details Multi-position examination chair Multi-position examination chair

1983-02-15

1985-05-14

Zugel, Francis K.

Chairs and seats

Movable bottom

Tiltable

297320, 297430, 297191, 297219, A47C 102

Patent

active

045168059

ABSTRACT:
A multi-position examination chair for supporting a patient and assuming sequentially a plurality of obstetric and gynecologic examination positions includes a base. A chair mounted on the base includes a back portion pivotally attached to the base and a seat portion pivotally attached to the back portion. A first linear actuator pivotally moves the back portion into a desired position relative the base, and a linkage cooperates to cause a predetermined amount of pivotal movement of the seat portion relative to the base in response to pivotal movement of the back portion. A second linear actuator power means pivotally moves the seat portion into a desired position relative the back portion. Actuation of one of a plurality of switches cooperates with a control system for movement of the back and seat portions from one of the examination positions to at least a next following one of the positions within the sequence.

REFERENCES:
patent: 1211428 (1917-01-01), Fischrupp
patent: 2714922 (1955-08-01), McKibban
patent: 2823731 (1958-02-01), Miller
patent: 3147038 (1964-09-01), Barabas
patent: 3578379 (1971-05-01), Taylor et al.
patent: 3934927 (1976-01-01), Zur
patent: 4168099 (1979-09-01), Jacobs et al.
patent: 4333681 (1982-06-01), Nelson

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