Improved toilet-tank flapper valve

Details Improved toilet-tank flapper valve Improved toilet-tank flapper valve

1991-05-06

1992-06-02

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

251228, 251294, 251299, E03D 134

Patent

active

051175142

ABSTRACT:
An improved toilet flapper valve (10) designed to directly replace either a conventional toilet flapper valve or tank ball valve. The valve (10) allows a toilet user to selectively determine the quantity of water used for a toilet flush by controlling the time that a toilet flush handle (38) is held in the depressed position. The water quantity used depends on whether liquid or solid waste is to be flushed. For liquid waste, a partial flush is used; for solid waste a full flush is recommended. The valve (10) consists of a resilient body having a cavity (12) located over the toilet tank drain (34). The cavity houses a weight (16) that fulfills two functions: it provides the weight necessary to make the valve non-buoyant and it produces under the area of the weight, a flat rigid section (18) that extends radially over and beyond the perimeter of the valve seat (36). This rigid section provides a positive seal without sagging which can produce unnoticed leaks.

REFERENCES:
patent: 1006964 (1911-10-01), Lyons
patent: 1072004 (1913-09-01), Hart
patent: 1255090 (1918-01-01), Gally
patent: 1352735 (1920-09-01), Egerton
patent: 4467482 (1984-08-01), Dyer
patent: 4499616 (1985-02-01), Johnson

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