Water drain assembly

Details Water drain assembly Water drain assembly

2007-08-22

2010-12-21

Huynh, Khoa D (Department: 3751)

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

C004S292000, C004S290000, C004S288000, C004S652000

Reexamination Certificate

active

07854029

ABSTRACT:
A water drain assembly includes an embedding ring and a seal washer, such that when a force is applied to press onto a water drain body, the deformation of hooks disposed at a lower edge of the embedding ring latches the edge of a drain through hole to abut the water drain body and fix the water drain body in position, and a rubber seal ring and a pressing member are installed into an internal hole of the water drain body, and a jam-on member is pressed into the internal hole of the water drain body, so as to press the pressing member down to a predetermined position to deform the seal ring, and achieve a tight pressing relation with a drainage pipe inserted therein to achieve a seal waterproof relation between the drainage pipe and the water drain body, and complete the overall installation of the water drain.

REFERENCES:
patent: 1849604 (1932-03-01), Weatherhead, Jr.
patent: 1890348 (1932-12-01), Weatherhead, Jr.
patent: 3700381 (1972-10-01), Deeke
patent: 4883590 (1989-11-01), Papp
patent: 2010/0005581 (2010-01-01), McAlpine

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