Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent
1976-07-26
1977-09-06
Rosenthal, Arnold
Valves and valve actuation
Fluid actuated or retarded
With mechanical movement between actuator and valve
403356, 403320, 137556, 137269, F16K 3116
Patent
active
040463508
ABSTRACT:
A power actuated 90.degree. rotation valve in which the power actuator is coupled to the valve stem by a socket which simultaneously engages a lug fixed with the valve stem and a nut threaded to said valve stem so that the nut cannot loosen during actuation of the valve.
REFERENCES:
patent: 952892 (1910-03-01), Etter
patent: 3650506 (1972-03-01), Bruton
patent: 3982725 (1976-09-01), Clark
Holloway David G.
Massey Roger G.
Rosenthal Arnold
Tarrant Thomas N.
The Parker & Harper Manufacturing Company, Inc.
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