Fluid handling – With casing – support – protector or static constructional... – Static constructional installations
Patent
1988-04-08
1989-07-04
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Static constructional installations
13762531, 251288, 251292, F16L 500, F16K 5100
Patent
active
048441163
ABSTRACT:
A water hydrant specifically adapted for use in domestic and non-domestic water systems for commercial, institutional and residential use with the water hydrant including a unique valve structure incorporating ceramic components and a unique actuating structure requiring only a quarter turn of a valve operator in order to move the valve from a fully open to a fully closed position. The valve operating mechanism includes an elongated operating rod extending through a casing installed in a wall of a building and having a fitting for a garden hose. The valve structure itself includes a valve body having an arcuate slot-like structure therein to receive a projection on the valve actuator to limit the rotational movement to one-quarter turn when moving the valve components from fully open to fully closed position. The valve components include a stationary ceramic disk and a rotatable ceramic disk having structural components that will establish a flow path for water and stop or cut off a flow path with the ceramic elements eliminating the problem of a valve of this type becoming frictionally locked due to non-use over long periods of time inasmuch as the ceramic disks include lapped flat surfaces which are in effect self-lubricated for ease of operation and greatly reduced operating friction even at elevated water pressures thereby providing a water hydrant that is effective in use, easy to operate and not subject to jamming or locking during long periods of non-use or infrequent use.
REFERENCES:
patent: 1047067 (1912-12-01), Jones
patent: 1937302 (1933-11-01), Volkhardt
patent: 2687141 (1954-08-01), Baker
patent: 3158170 (1964-11-01), Tubbs
patent: 3424189 (1969-01-01), Woodford
patent: 3807455 (1974-04-01), Farrell
patent: 3831621 (1974-08-01), Anthony et al.
patent: 3952770 (1976-04-01), Botnick
patent: 4644970 (1987-02-01), Lowry
Buehler Stephen L
Donaldson Jeffrey L.
Chambers A. Michael
Jay R. Smith MFG. Co.
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