Baths – closets – sinks – and spittoons – Tubs – Particular construction or configuration details
Patent
1976-04-12
1977-05-31
Aegerter, Richard E.
Baths, closets, sinks, and spittoons
Tubs
Particular construction or configuration details
4DIG1, E03D 134
Patent
active
040259684
ABSTRACT:
A water closet tank flush valve designed to provide a full or partial emptying of the associated water tank, as desired, when the flush valve is operated. A valve stem which is raised to unseat the flush valve is fitted externally along its length with a pair of spaced external recesses. A pair of floats are mounted on individual rotatable levers, one-above-the-other on a slotted tube surrounding the valve stem, so that the upper of the stem recesses is engaged by a detent on the lever of the upper float to retain it in the partly raised position until the water level falls to a first position, after which the first float drops to release the valve stem to seat the tank valve. When the valve stem is raised to the full height, the detent of the lower float lever similarly engages the lower recess of the valve stem as long as the water level supports the lower float. The handle assembly operating the valve stem lever is spring-mounted to the tank wall so as to be limited in rotational range in a first position but to have greater rotational range in a second position of axial movement of the handle shaft for providing for full emptying of the tank contents.
REFERENCES:
patent: 867653 (1907-10-01), Gaylord
patent: 2444959 (1948-07-01), Smith
patent: 2613367 (1952-10-01), Denham
patent: 3412161 (1969-01-01), Stafford et al.
patent: 3894299 (1975-07-01), Cleary
patent: 3906554 (1975-09-01), Johnson
Aegerter Richard E.
Levy Stuart S.
Podell Howard I.
The Raymond Lee Organization Inc.
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