Multi-function operator for control valve device

Details Multi-function operator for control valve device Multi-function operator for control valve device

1979-11-26

1981-10-06

Chambers, A. Michael

Valves and valve actuation

With friction detent

251258, 251263, 251284, 1375961, 74568R, F16K 31524, F15B 1304, F16H 5300

Patent

active

042931185

ABSTRACT:
An operting handle assembly for actuating a valve or the like including an adjustable actuating cam member that controls the degree of deflection of the valve to obtain different output pressures for a given handle position, for example, and an adjustable friction brake mechanism that sets the desired tension for handle operation.

REFERENCES:
patent: 756491 (1904-04-01), Gold
patent: 1162693 (1915-11-01), Henry
patent: 2323737 (1943-07-01), Tritle
patent: 2796487 (1957-06-01), Dehn
patent: 3416843 (1968-12-01), Kobnick
patent: 3699283 (1972-10-01), Ustin

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