Valve seat and closure member assembly of flush valves for flush

Details Valve seat and closure member assembly of flush valves for flush Valve seat and closure member assembly of flush valves for flush

1974-08-15

1976-11-02

Aegerter, Richard E.

Baths, closets, sinks, and spittoons

Tubs

Particular construction or configuration details

4 57R, 4 55, 4 52, E03D 134

Patent

active

039887855

ABSTRACT:
A valve seat of an integrated valve seat and closure member assembly is secured by waterproof sealant over the upper end of a flush valve seat portion in a flush tank, the waterproof sealant preferably constituting the sole support for the integrated assembly in the flush tank. The closure member is hingedly connected to the valve seat through a rigid frame which is partially removably telescoped by a resilient material closure portion thereby mounting the closure portion of the closure member hingedly movable downwardly toward and upwardly away from a sealing position with the valve seat. An outwardly depending C-shaped leg on the closure portion of the closure member which inwardly telescopes the closure member frame provides a lower, relatively flat, sealing surface for sealing downwardly against the valve seat in the closure member sealing position. The valve seat preferably has two, upwardly projecting, convex, concentric rings against which the closure member flat resilient sealing surface seals in the closure member sealing position, one of said valve seat convex rings providing initial sealing until the closure member is permanently compressed and then both rings providing the sealing thereafter.

REFERENCES:
patent: 2557743 (1951-06-01), Howe
patent: 2801021 (1957-07-01), Wood
patent: 2908018 (1959-10-01), Petrie
patent: 3369259 (1968-02-01), Harold
patent: 3587117 (1971-06-01), Ward

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