Locking device

Details Locking device Locking device

1994-03-17

1994-09-20

Walton, George L.

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

251285, 251286, 251288, F16K 3506

Patent

active

053482719

ABSTRACT:
A device for controlling the rotation of a valve and/or valve actuator, such device including a housing secured to said valve and actuator, hub member rotatably received by said housing, at least one stop member receiving device provided said housing, and at least one stop member engageable surface provided said hub.

REFERENCES:
patent: 1931419 (1933-10-01), Thrush
patent: 1943865 (1934-01-01), Hennessey
patent: 2443036 (1948-06-01), Hopkins
patent: 2493966 (1950-01-01), Hartley
patent: 5116018 (1992-05-01), Friemoth et al.
patent: 5139230 (1992-08-01), Lester

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