Chair control with height adjustment actuator

Details Chair control with height adjustment actuator Chair control with height adjustment actuator

1980-05-01

1983-02-15

Shedd, Wayne L.

Supports

Stand

Standard type

297347, F16M 1100

Patent

active

043736920

ABSTRACT:
The specification discloses a chair control in which a chair height adjustment actuator includes a handle whose position does not change relative to the tilting member of the chair control. The handle is pivotally mounted to the tiltable member and engages the end of a linkage rod pivotally mounted to the handle. The other end of the linkage rod is pivotally joined to an actuator arm which in turn is pivotally secured to the mounting member of the stationary chair control housing adjacent that point at which the mounting member is secured to a chair base of the type having a height adjustment actuator located at the top of the chair base column.

REFERENCES:
patent: 2367829 (1945-01-01), Shinn
patent: 2641306 (1953-06-01), Lerman
patent: 2710047 (1955-06-01), Duppstadt
patent: 2849051 (1948-08-01), Streeter
patent: 4013257 (1977-03-01), Paquette

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