Dial assembly with magnetically biased reed switch

Details Dial assembly with magnetically biased reed switch Dial assembly with magnetically biased reed switch

2007-02-06

2007-02-06

Enad, Elvin (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural magnets

C335S205000

Reexamination Certificate

active

10715660

ABSTRACT:
A dial assembly for a magnetically driven gauge. The dial assembly, including a rotatable dial magnet, a reed switch and a bias magnet. The bias magnet and reed switch being positioned such that when the poles of the bias magnet and the dial magnet are in a first orientation the reed switch be held in a first position (such as a closed contact position) and that when the dial magnet rotates to a second position such that the poles of the dial magnet and bias magnet are in a second orientation, the reed switch will be held at a second orientation (such as an open, non-contact orientation).

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patent: 6089086 (2000-07-01), Swindler et al.
patent: 6479981 (2002-11-01), Schweitzer, Jr. et al.
patent: 2002/0088278 (2002-07-01), Ross, Jr.

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