Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1994-09-14
1996-04-09
Chambers, A. Michael
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251 36, 251214, F16K 31385, F16K 3144
Patent
active
055054277
ABSTRACT:
A toilet flushing device includes a body which has an inlet and an outlet. There is a valve seat in the body in the flow path between the inlet and the outlet and there is a valve member movable within the body toward and away from the valve seat to control water flow through the flushing device. A handle assembly is mounted on the body for causing movement of the valve member. The handle assembly includes a socket attached to the body and a handle mounted in the socket for pivotal movement relative thereto. A plunger is positioned in part within the socket and is in contact with the handle. Pivotal movement of the handle causes axial movement of the plunger, with a portion of the plunger being positioned for contact with the valve member. There is a spring biasing the plunger toward the handle and there is a bushing attached to the socket and having a central bore within which the plunger moves. A seal slide is mounted on the plunger and is in sliding engagement with the bushing as it moves relative thereto. There is a seal element between the interior of the seal slide and an exterior portion of the bushing.
REFERENCES:
patent: 871859 (1907-11-01), Brooks
patent: 1172421 (1916-02-01), Beck
patent: 1232852 (1917-07-01), Schier
patent: 1474472 (1923-11-01), Gulick
patent: 2406259 (1946-08-01), Russell et al.
patent: 3406940 (1968-10-01), Kertell
patent: 5013007 (1991-05-01), Whiteside
Chambers A. Michael
Sloan Valve Company
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