Gate valve actuator

Details Gate valve actuator Gate valve actuator

1994-07-18

1995-08-29

Walton, George L.

Fluid handling

With casing, support, protector or static constructional...

Vehicle

4323, 251229, 251279, 251291, 251329, F16K 300, B60R 1500

Patent

active

054451906

ABSTRACT:
A manual actuator is attached to a conventional gate valve commonly used in the drainage line of a recreational vehicle. The actuator includes a handle connected to a pair of links which expand to open the valve or are folded to close the valve by turning the actuator handle.

REFERENCES:
patent: 1801237 (1931-04-01), Hanson
patent: 3316929 (1967-05-01), Milette
patent: 3333814 (1967-08-01), Sargent
patent: 3352535 (1967-11-01), Power
patent: 3941349 (1976-03-01), Pierson
patent: 4202527 (1980-05-01), Price et al.
patent: 4523339 (1986-06-01), Lavoie
patent: 4875504 (1989-10-01), Nicholson
patent: 5056544 (1991-10-01), Stevens
patent: 5078180 (1992-01-01), Collins

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