Flush valve and means for mounting the same

Details Flush valve and means for mounting the same Flush valve and means for mounting the same

1981-08-27

1982-12-28

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4378, 4392, E03D 135, E03D 106, E03D 504

Patent

active

043653650

ABSTRACT:
A flush valve adapted to be mounted to the bottom of a tank. The flush valve has a body with a drain conduit and an opening which can be opened and closed by a movable plug. The body has an internal thread in the drain conduit. A mounting seal has a flange that bears against the tank bottom and a skirt that fits in the drain port in the tank. An expander has an external thread which engages the internal thread, and also has a tapered expander section that enters and diametrally enlarges the skirt when the threads are progressively engaged. Enlargement of the skirt makes a fluid-tight seal and exerts a force which holds the body of the tank. Torque-tool engagement surfaces are formed in the expander so it can be turned.

REFERENCES:
patent: 2512694 (1950-06-01), Stout et al.
patent: 2773268 (1956-12-01), Husko et al.
patent: 3003156 (1961-10-01), Alexander
patent: 3167787 (1965-02-01), Connealy
patent: 4002521 (1977-01-01), Schoepe et al.
patent: 4028748 (1977-06-01), Schoepe et al.
patent: 4080669 (1978-03-01), Biggerstaff
patent: 4106136 (1978-08-01), Lippincott, Sr.
patent: 4134165 (1979-01-01), Phripp et al.

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