William Christopher Thorn

US Patent:

40816389, Mar 28, 1978

Filed:

Oct 26, 1976

Appl. No.:

5/735372

Inventors:

William B. Thorn - Parkersburg WV
Jonathan G. Tobelmann - Corning NY

Assignee:

Corning Glass Works - Corning NY

International Classification:

H01H 3518

US Classification:

200 84R

Abstract:

A float unit having two float portions operates a switching unit to stop the supply of liquid at a selected high level and to reestablish the supply at a selected low level. The switching unit may be a precision snap-acting switch, and the float unit may be integrally formed from glass. In the preferred embodiment, the switch and an upper switch-engaging portion of the float are mounted in a housing which serves as a closure for a container.