Discharge drain assembly

Details Discharge drain assembly Discharge drain assembly

1980-11-03

1982-03-23

Levy, Stuart S.

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

Combined strainer, plug, or valve

4291, 4292, 4295, 4652, A47K 114, E03C 1262

Patent

active

043205402

ABSTRACT:
Disclosed is a discharge drain assembly (for use in a sink) including a drain body and a plug assembly adapted to fit in the drain body which features limited rotational movement between an open and a closed position. The plug includes a stainless steel strainer with an integral hollow knob having opposed sides which are inwardly concave. The knob securely but releasably retains a slotted head portion of a spindle. The spindle has a neck portion for receiving a sealing washer and a lower body portion including three leg portions. The leg portions support the plug in the open position, restrain rotation in a first direction beyond the open position, and cam the plug to the closed position when rotated in a direction opposite said first direction. The structure substantially eliminates a "finding" problem common in prior art arrangements and provides a good seal in the closed position.

REFERENCES:
patent: 1783460 (1930-12-01), Brotz
patent: 2073899 (1937-03-01), Luther
patent: 2263537 (1941-11-01), Fredrickson
patent: 2500674 (1946-11-01), Gleason
patent: 2512867 (1948-02-01), Marcussen
patent: 2569615 (1946-11-01), Link
patent: 2915762 (1959-12-01), Kiveta
patent: 3800339 (1974-04-01), Bergin
patent: 3813708 (1974-06-01), Hamburg
patent: 4232407 (1980-11-01), Williams

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