Selective-flush cistern

Details Selective-flush cistern Selective-flush cistern

1983-11-01

1985-07-09

Marcus, Stephen

Baths, closets, sinks, and spittoons

Flush closet

Manual selection of the amount of flush

4364, 4410, 4413, 4415, 4395, E03D 114

Patent

active

045272964

ABSTRACT:
A sanitary pan flush cistern which includes structure to permit full-flush or partial flush as required. The cistern is a conventional lidded container housing usual outlet valve on a valve-rod, a press-button in the lid to open the valve and a float-controlled water admission valve. It also houses a pot which in turn houses the outlet valve, and has a normally open doorway furnished with a lid. Linkage connects both the lid and the valve-rod to the press-button so that when the latter is pressed the valve is opened and a full flush passes the outlet valve from the pot and from the outer vessel by way of the normally-open door. When the press-button is lifted the outlet valve opens as before but the door is closed so that the flush is limited to the content of the pot.

REFERENCES:
patent: 2351672 (1944-06-01), Engel
patent: 3777316 (1973-12-01), Coetzee
patent: 3842444 (1974-10-01), Gruenhagen
patent: 4143430 (1979-03-01), Joshi et al.
patent: 4144600 (1979-03-01), Mayes
patent: 4219895 (1980-09-01), Thompson
Patent application 3/1980 from Australia, #AU-B-56165/80, Variable Volume Flushing Cistern.

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