Piston flush valve

Details Piston flush valve Piston flush valve

1997-10-14

1999-04-27

Walczak, David J.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4379, 4324, E03D 134

Patent

active

058965939

ABSTRACT:
A piston flush valve (10) that is installed in a toilet tank (150) and that operates in combination with a ballcock supply valve (152), a trip lever(154) and a refill tube (158). The piston flush valve (10) includes an upper section (12) which is movably attached to a lower section (72) that is attached to a water egress port (160) located on the bottom of the toilet tank(150). The upper section (12) includes an overflow tube (14) which has a vertical series of outwardly extending slots (24). The slots (24) function in combination with a flush-volume spring clip (58) that is attached to a float (44). The spring clip (58) has a notch (60) sized to fit into one of the slots (24). Depending on which slot (24) the notch (60) is inserted will determine the amount of flush water the toilet tank (150) delivers to the toilet bowl (162).

REFERENCES:
patent: 4305163 (1981-12-01), Raz
patent: 5329647 (1994-07-01), Condon
patent: 5349981 (1994-09-01), Schmucki et al.

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