Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer – plug – or valve
Patent
1989-07-18
1990-06-12
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
Combined strainer, plug, or valve
E03C 126
Patent
active
049320823
ABSTRACT:
A conventional pop-up drain plug is movable up and down by an actuator system to open and close the entry opening of a drain pipe. The plug includes a cap at one end to seal the opening, a base engagable by the actuator system, and an intermediate portion comprising a finned guide and a stem. An upwardly open strainer cup having a centrally apertured bottom is forced over the plug base and onto the stem. The cup includes small openings to pass drain water, and its rim is dimensioned to fit close to the drain pipe walls so that the cup will catch small articles passing through the drain pipe entry opening, while yet moving upwardly and downwardly with the drain plug.
REFERENCES:
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patent: 4207631 (1980-06-01), Baggey
patent: 4380834 (1983-04-01), Wentz
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