Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure
Patent
1998-07-02
1999-08-24
Walczak, David J.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
4288, 4290, A47K 114
Patent
active
059408987
ABSTRACT:
A drain assembly for providing a leak-free linkage between a sink and a drainpipe. The drain assembly includes an inner linkage member and an outer linkage basket. The inner linkage member has inner and outer surfaces, open upper and lower ends, a basket strainer portion, an elongate drain tube portion. The inner linkage member is designed for extending through the drain opening of a sink with the upper end of the inner linkage member positioned adjacent the periphery of the drain opening of the sink and the lower end of the inner linkage member coupled to the free end of the drainpipe. The outer surface of the inner linkage member has spaced apart locking flanges extending outwardly therefrom with each locking flange defining a locking groove. The outer linkage basket has inner and outer surfaces, a bottom portion, a side portion, and an upper edge. The bottom portion of the outer linkage basket has a hole therethrough between the inner and outer surfaces of the outer linkage basket. The drain tube portion of the inner linkage member is inserted through the hole of the bottom portion of the outer linkage basket. The inner surface of the outer linkage basket has spaced apart linking arms extending radially inwards. Each of the linking arms has a hooked end which is insertable into the locking groove of an associated locking flange of the inner linkage member such that each linking arm is engaged to the associated locking flange.
REFERENCES:
patent: 3397902 (1968-08-01), Dutcher
patent: 4232407 (1980-11-01), Williams
patent: 5265281 (1993-11-01), McAlpine
patent: 5418983 (1995-05-01), Garguillo
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