Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1984-12-05
1986-05-13
Marcus, Stephen
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4360, E03D 134
Patent
active
045876797
ABSTRACT:
A flushing device controllable for discharging a desired amount of water after use of a toilet is provided with a cylinder supported within the tank, a piston slidable in the cylinder and divides the inner space thereof into an upper chamber and a lower chamber with variable volumes, on the piston there are provided with through holes for communicating these two chambers, and a flexible baffle member is attached to the bottom surface of the piston and capable of admitting the water to flow from the upper chamber into the lower chamber. A piston rod is connected to the piston and terminates in a stopper positioned in alignment with the flushing pipe, by means of a compression spring mounted with respect to the piston rod between the cylinder and the stopper, the stopper is normally biassed against the flushing pipe until a pull of the piston which forces the stopper moved away from the discharging pipe against the biassing of the spring and so that initiates the flushing, a lower chamber filled with water having a volume corresponding to the piston displacement is caused in the movement of the piston, the piston and the stopper is therefore prevented from lowering until the compression predominates over the buoyance of water received in the lower chamber.
REFERENCES:
patent: 317055 (1885-05-01), Weeden
patent: 399690 (1889-03-01), Newell
patent: 3820171 (1974-06-01), Larson
patent: 4138749 (1979-02-01), Clark
patent: 4412362 (1983-11-01), Nylund
Marcus Stephen
Peters L. J.
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