Dual flush system

Details Dual flush system Dual flush system

1992-03-23

1994-08-02

Cuchlinski, Jr., William A.

Baths, closets, sinks, and spittoons

Flush closet

Manual selection of the amount of flush

4388, 4395, 4397, 4415, E03D 135, E03D 312

Patent

active

053333322

ABSTRACT:
A selective volume flush apparatus (10) for use in a cistern contains two valves, a first valve (12) with an outlet opening into the discharge outlet of the cistern and an open end configured to sealingly engage a first valve seal (18). The valve seal (18) is attached to a lifting device (22) and the open end of the valve (12) is positioned at a height from the cistern floor to facilitate the flush of a smaller quantity of water. The second valve 14 includes a diaphragm 26 positioned slidingly movable in a cylinder and attached to a valve seal (20) at the lower end and to a lifting device (24) at the upper end. The valve seal sealingly engages upon an outlet opening 68 connected to the discharge outlet (28) of the cistern. Activating the second valve seal results in a full volume flush.

REFERENCES:
patent: 1568346 (1926-01-01), Ryan
patent: 3701169 (1972-10-01), Kamphausen
patent: 4173801 (1979-11-01), Bresnyan
patent: 4566140 (1986-01-01), Musgrove

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