Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Reexamination Certificate
2005-11-08
2005-11-08
Lee, Richard K. (Department: 2832)
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
C200S302300, C200S0050EA, C200S339000
Reexamination Certificate
active
06963039
ABSTRACT:
A waterproof button knob includes an elastic button seat with a housing trough mating with a button port of a case. The button seat isolates the interior and the exterior of the case to achieve waterproofing. The housing trough has a plurality of apertures on the bottom. The housing trough holds a button cap that has a plurality of button stems extended downwards to pass through the apertures and form a tight coupling. The button stems may be moved to hit switches located in the case.
REFERENCES:
patent: 5086200 (1992-02-01), Kline et al.
patent: 5471022 (1995-11-01), Kiss et al.
patent: 5514843 (1996-05-01), Wilfong et al.
patent: 5821482 (1998-10-01), Ootani et al.
patent: 6239391 (2001-05-01), Nishijima et al.
patent: 6626473 (2003-09-01), Klein et al.
Tee Khoon-Guan
Weng Shih-Hsiung
Inventec Multimedia & Telecom Corporation
Lee Richard K.
Rabin & Berdo P.C.
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