Ballcock float structure

Details Ballcock float structure Ballcock float structure

1985-12-02

1987-11-03

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Float

4366, 137429, F16K 3300, G01F 2306

Patent

active

047036532

ABSTRACT:
Improved ballcock float structures are provided including a molded, plastic, hollow body formed of cup-like lower and reverse cup-like upper parts. The parts are retained together by snap engagement between the extremities of the parts with positioning abutments for additional stability. A float guide extends vertically through the body having a vertical opening for receiving a ballcock or the like to be controlled by the float. Control of the float for controlling the ballcock is provided by two, tubular liquid vents secured in and extending upwardly from the lower part bottom wall and a similar liquid vent projecting downwardly through and from the upper part top wall. The liquid and air vents project into the interior of the body, but terminate spaced apart and the relative positions thereof determines the performance of the float. Furthermore, it is preferred that the liquid vents will be of a length about equivalent to a collar formed by the lower part around the float guide so that a liquid-tight chamber is formed at all times retaining a certain amount of liquid, and therefore establishing a ballast. The air vent is preferably of a length extending downwardly into the lower part in assembly, thereby confining liquid to the lower part.

REFERENCES:
patent: 3115153 (1963-12-01), Delamater
patent: 3115893 (1963-12-01), Doyle
patent: 3194258 (1965-07-01), Grant
patent: 3428078 (1969-02-01), Christopher
patent: 3428966 (1969-02-01), Schoepe et al.
patent: 3498141 (1970-03-01), Nelson et al.
patent: 3610271 (1971-10-01), Jarvis
patent: 3906795 (1975-09-01), Kask
patent: 3916454 (1975-11-01), Schoepe et al.
patent: 4080986 (1978-03-01), Schoepe

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