Toilet tank float valve assembly

Details Toilet tank float valve assembly Toilet tank float valve assembly

1986-07-30

1987-03-03

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137444, 137445, F16K 3126, F16K 3300

Patent

active

046467807

ABSTRACT:
There is disclosed a float valve assembly of the type especially well suited to control the flow of inlet water to a toilet tank having a lavatory defined by its cover. The invention relates in particular to a means of making the fitting suitable for use in toilets having different optimal fill levels, and in particular to a means of adjusting the fill level which involves rotation of the rod attached to the float ball on its longitudinal axis. A lead screw-type mechanism causes a connecting linkage to move along the rod into response to such rotation.

REFERENCES:
patent: 659391 (1900-10-01), Fischer
patent: 1027980 (1912-05-01), Bliler et al.
patent: 1609337 (1926-12-01), Waltrous
patent: 2833302 (1958-05-01), Smith
patent: 3025872 (1962-03-01), McLerran et al.
patent: 3987813 (1976-10-01), Leczycki
patent: 4335741 (1982-06-01), Nasser
Three pages of photographs of a "KVK" Valve, undated, admitted prior art.
Two pages of photographs of an "INA" Valve, undated, admitted prior art.
Pages 190 and 191 of vol. 3 of "How Things Work", undated, admitted prior art.

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