Self-aligning valve assembly

Details Self-aligning valve assembly Self-aligning valve assembly

1980-12-05

1982-07-13

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4397, 4399, 4400, 251144, 251294, 251335R, 251335B, E03D 134

Patent

active

043386890

ABSTRACT:
A self-aligning valve assembly and a valve plug therefor includes an elastomeric valve plug having an annular outer sealing portion with an annular sealing surface for sealing a drain hole valve seating of a receptacle. A central mounting portion is secured to a pair of telescoped tubes. A flexible diaphragm with a circular convoluted fold integrally connects the mounting portion and the outer sealing portion, and is capable of yielding to permit radial and/or tilting displacement of the outer sealing portion relative to the central mounting portion of the plug to accommodate limited misalignment between the valve tubes and the drain hole.

REFERENCES:
patent: 737941 (1909-09-01), Leithauser
patent: 1458816 (1923-06-01), Fyke et al.
patent: 2436035 (1948-02-01), Cheiten
patent: 2788525 (1957-04-01), Reichert
patent: 2849725 (1958-09-01), Armstrong et al.
patent: 3383711 (1968-05-01), Swanson
patent: 3447777 (1969-06-01), Carlson
patent: 3448771 (1969-06-01), Bales, Jr. et al.
patent: 3890652 (1975-06-01), Fulton
patent: 4017913 (1977-04-01), Judd

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