Rolling-ball switch

Details Rolling-ball switch Rolling-ball switch

2006-12-04

2008-12-16

Enad, Elvin G (Department: 2832)

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

C200S061520

Reexamination Certificate

active

07465893

ABSTRACT:
A rolling-ball switch includes an insulative housing having a tubular wall that has an axial hole and two opposite open-end portions, and two lead terminals covering respectively the open-end portions. Each open-end portion has an end face and a retaining portion. Each lead terminal is a one-piece conductive body, and is provided with an engaging portion to engage the retaining portion. A ball unit is disposed rollably in the axial hole to contact the lead terminals.

REFERENCES:
patent: 5136127 (1992-08-01), Blair
patent: 5669489 (1997-09-01), von Ende
patent: 6115929 (2000-09-01), Tanazawa et al.
patent: 6448516 (2002-09-01), Chiang
patent: 6555772 (2003-04-01), Chou
patent: 6784386 (2004-08-01), Chou et al.
patent: 6788201 (2004-09-01), Chen et al.
patent: 7067748 (2006-06-01), Kelley et al.
patent: 7230193 (2007-06-01), Chou

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