Toilet flush control using a hollow crown instant close flapper

Details Toilet flush control using a hollow crown instant close flapper Toilet flush control using a hollow crown instant close flapper

1981-06-29

1982-12-28

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4392, 4393, 4382, 4324, E03D 134

Patent

active

043653642

ABSTRACT:
A demand type flush tank control for saving water by the utilization of a water release valve of the flapper type in the water storage tank of a toilet, with such flapper valve being non-buoyant such that it will close off the flow of water from the tank into the toilet the instant the flush handle has been released by the user. In this way, the use of the entire contents of the tank is prevented, except on those occasions where a full tank is actually needed. My novel flapper valve has no air pocket below the sealing area, as do conventional flapper valves, and it is non-buoyant in that a cavity is provided in the upper part of the valve, through which water can enter a part of the valve body. Accordingly, my novel flapper valve readily returns to its seat the moment the toilet handle is released, thereby effecting a daily savings of many gallons of water.

REFERENCES:
patent: 2059749 (1936-11-01), Rosewood
patent: 2158452 (1939-05-01), Winship
patent: 2779028 (1957-01-01), Branch
patent: 3036313 (1962-05-01), Jenkins
patent: 3239848 (1966-03-01), Zrolka
patent: 3707733 (1973-01-01), Gore et al.
patent: 3719957 (1973-03-01), Riedel
patent: 3831204 (1974-08-01), Cook
patent: 3921226 (1975-11-01), Macdonald
patent: 3996629 (1976-12-01), Riedel
patent: 4293964 (1981-10-01), Riedel

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