Drain assembly for sinks and the like

Details Drain assembly for sinks and the like Drain assembly for sinks and the like

1976-05-26

1977-08-23

Smith, Robert I.

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

Strainer, receptacle

210163, 220353, E03C 1122

Patent

active

040429830

ABSTRACT:
A drain assembly for a sink or the like employs a plastic sleeve below a retaining flange, the periphery of the sleeve being provided with several groups of flexible fins extending out therefrom parallel to its axis, the fins of each group being located at successively increasing distances from the retaining flange. The assembly can be installed by one person from above the sink or the like simply by pushing it down into the drain aperture with a twisting motion until at least some of the fins in each group tightly engage the under surface of the drain aperture, the fins thereby readily accommodating both stainless steel and cast iron sinks or the like of various wall thicknesses.

REFERENCES:
patent: 3232548 (1966-02-01), Bent
patent: 3305189 (1967-02-01), Butler
patent: 3348725 (1967-10-01), Fuller et al.
patent: 3450299 (1969-06-01), Barbera
patent: 3515417 (1970-06-01), Bowman
patent: 3516617 (1970-06-01), Haner
patent: 3562847 (1971-02-01), Jemison
patent: 3663806 (1972-05-01), Drankham
patent: 3738587 (1973-06-01), Cristiani
patent: 3742525 (1973-07-01), Oropallo
patent: 3746272 (1973-07-01), Rotolo
patent: 3858819 (1975-01-01), Butler

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