Valves and valve actuation – Mechanical movement actuator – Plural dissimilar mechanical movements
Patent
1982-04-26
1986-02-04
Walton, George L.
Valves and valve actuation
Mechanical movement actuator
Plural dissimilar mechanical movements
74 25, 74 55, 74116, 251230, 251251, F16K 31524
Patent
active
045680604
ABSTRACT:
A valve for use in a domestic water installation such as a shower is moveable between open and closed positions by an operating mechanism. The mechanism includes a ratchet that provides intermittent unidirectional drive to the valve member from a manual operator. Successive repetitive movements of the operator moves the valve between open and closed positions. The valve includes a seat and a poppet the disposition of which is controlled by cams that ensure that pressure of water in the conduit assists in moving the valve between open and closed positions.
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