Control mechanism for a chair or the like

Details Control mechanism for a chair or the like Control mechanism for a chair or the like

1979-06-11

1982-05-11

Zugel, Francis K.

Supports

Resilient support

Adjustable preloading of resilient means

248161, 297304, 297328, 297345, A45D 1904, A47C 3026

Patent

active

043289436

ABSTRACT:
A tilt control mechanism for a chair utilizing a control housing and a pivot block mounted for pivotal movement with respect to each other about an axis. An actuator block is supported for movement along that axis and carries a pin thereon. In one position of the actuator block, the pin engages a flange on the control housing, preventing pivotal movement of the control housing with respect to the pivot block. In another position of the actuator block along the axis, pivoting movement is permitted. In a third position of the actuator block along the axis, a gas cylinder mechanism is actuated controlling the height of the chair.

REFERENCES:
patent: 2015138 (1935-09-01), Drake
patent: 2424753 (1947-07-01), Horold
patent: 3434756 (1969-03-01), Walkinshaw
patent: 3464663 (1969-09-01), Blomborg
patent: 3711054 (1973-01-01), Bauer
patent: 3756654 (1973-09-01), Bauer
patent: 3880161 (1975-04-01), Scheben
patent: 4018415 (1977-04-01), Wolters
patent: 4099775 (1978-07-01), Mizelle

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