Valves and valve actuation – Mechanical movement actuator – Cam
Patent
1976-03-25
1978-02-28
Schwadron, Martin P.
Valves and valve actuation
Mechanical movement actuator
Cam
251257, F16K 31524
Patent
active
040762092
ABSTRACT:
A lever operated tap or cock, the lever actuating a cam to cause a piston to move to open a valve against the action of a spring and the water pressure. The valve is thus manually opened, but the closing of the valve is by spring and water pressure only.
REFERENCES:
patent: 3207467 (1965-09-01), Buhler
patent: 3342448 (1967-09-01), Parkison
patent: 3481360 (1969-12-01), Gillberg
Kilgariff Holdings Pty. Ltd.
Schwadron Martin P.
Walton G. L.
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