Relief valve for use in a diaphragm flush valve

Details Relief valve for use in a diaphragm flush valve Relief valve for use in a diaphragm flush valve

2005-08-02

2005-08-02

Huson, Gregory L. (Department: 3751)

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

C137S218000

Reexamination Certificate

active

06923426

ABSTRACT:
An improved relief valve for use in a diaphragm flush valve is constructed having a sealing member provided with an exteriorly threaded shaft extending down into the diaphragm flush valve with a smaller diameter metal stem extending from the bottom of the shaft, a tube member having a passageway formed by the interior surface wall of the tube member, the interior surface wall having an upper threaded portion to permit the tube member to be screwed to the shaft, and a sleeve member slidable along the metal stem with the sleeve member upper end positioned in the tube member passageway and retained in the passageway by a stop forming part of the tube member.

REFERENCES:
patent: 4202525 (1980-05-01), Govaer et al.
patent: 4327891 (1982-05-01), Allen et al.
patent: 5415374 (1995-05-01), Carroll et al.
patent: 5476244 (1995-12-01), Carroll et al.
patent: 5649686 (1997-07-01), Wilson
patent: 6189554 (2001-02-01), Pino
patent: 6227219 (2001-05-01), Pino

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