Fuel level sending unit and contact button for same

Details Fuel level sending unit and contact button for same Fuel level sending unit and contact button for same

2006-05-16

2006-05-16

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Float

Reexamination Certificate

active

07043982

ABSTRACT:
A contact button is configured to move along a resistor path of a potentiometer in a first direction and a second direction opposite the first direction. The contact button includes a body having a first end configured to lead the body when the contact button moves in the first direction, and a second end configured to lead the body when the contact button moves in the second direction. At least one of the first and second ends are generally wedge-shaped to facilitate moving debris out of a path of the contact button as the contact button moves along the resistor path.

REFERENCES:
patent: 3629778 (1971-12-01), Mogens
patent: 3876967 (1975-04-01), Hehl et al.
patent: 4220944 (1980-09-01), Pudelko et al.
patent: 4928083 (1990-05-01), Sims, Jr. et al.
patent: 5341679 (1994-08-01), Walkowski et al.
patent: 5752409 (1998-05-01), Lippmann et al.
patent: 6269695 (2001-08-01), Cesternino et al.
patent: 6425288 (2002-07-01), Pauer

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