Valves and valve actuation – Flexible actuator
Patent
1995-11-06
1997-10-21
Rivell, John
Valves and valve actuation
Flexible actuator
137899, F16K 3146
Patent
active
056788029
ABSTRACT:
A gate valve having a valve housing with an upper housing member, and a lower housing member, which contains a flow passageway. A valve closure device with a valve stem is moveable transversely of the flow passageway between the upper housing member, to cause the passageway to open, and the lower housing member, to cause the passageway to close. An axially moveable sleeve covered cable, which is connected to the valve closure device at the valve stem, is provided to impart movement to the valve closure device. A clamp assembly which includes identical cooperating members adapted to align in opposing relationship to engage and secure the upper housing and the cable and cable sleeve between them enables the cable to be operated from a remote and convenient location outside the recreational vehicle at any desired angle of bend to engage the valve closure device to cause it to move easily and effectively back and forth within the valve housing.
REFERENCES:
patent: 1710488 (1929-04-01), Oliphant
patent: 3015469 (1962-01-01), Falk
patent: 3954250 (1976-05-01), Grace
patent: 4203468 (1980-05-01), Dietz
patent: 4875504 (1989-10-01), Nicholson
patent: 4907676 (1990-03-01), Shirdavani
patent: 5439198 (1995-08-01), Reed
patent: 5445190 (1995-08-01), Gunder
Rivell John
Valterra Products Inc.
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