Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer and pipe coupling
Patent
1989-07-24
1990-10-23
Artis, Henry K.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
Combined strainer and pipe coupling
4292, 4286, 4613, 210163, 210164, 210166, 285 42, 285159, 285177, E03C 126
Patent
active
049641808
ABSTRACT:
A shower strainer mounting assembly (10) comprises an elongated cast-in adaptor coupling (12) for being cast into concrete having a lower end portion (16) for receiving standard 2 inch pipe (24) and an upper portion end (18) with an inner diameter of at least 37/8 inches. A separate pan-mounting flange member (14) comprises a circular tubular portion (36) having a continuous round external surface of a size and shape for fitting snugly into the top of the cast-in adaptor coupling and an internal surface with a diameter of less than 3 5/16 inches but at least 2 11/16 inches in cross section and a flange portion (38) attached to the upper end of the tubular portion extending radially outward from an outer surface (40) thereof. The pan mounting flange member defines female, threaded, holes (42) for receiving bolts (32) extending parallel to an axis (21) of the tubular portion through the flange into the tubular portion on approximately a 35/8 inch circle concentric with the circular tubular portion and being positioned substantially radially inwardly from the external surface of the tubular portion. In one embodiment, the tubular portion has circular inner and outer surfaces and the holes are positioned therebetween.
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