Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Reexamination Certificate
2007-01-16
2008-10-21
Friedhofer, Michael A. (Department: 2832)
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
C200S302200
Reexamination Certificate
active
07439464
ABSTRACT:
Enhancing efficiency in assembling a waterproof switch, and enhance flexibility of seal design. The waterproof switch7includes a plunger11accommodated in a cylindrical case10capable of moving in the longitudinal direction, and to which a spring17applies a force in a direction. One end of the plunger11is provided with a common contact point16which contacts with contact point terminals18and19when predetermined amount of displacement to the spring17which applies the force to the plunder11is provided. A concave portion10ais that to which a seal13for a sliding part of the plunger11is attached, and this concave portion10ais provided to an end portion of the case10. Assembling is proceeded while recognizing how the seal13is attached thereto from the appearance in the assembling process.
REFERENCES:
patent: 4124790 (1978-11-01), Kumbera et al.
patent: 5634791 (1997-06-01), Matsuura et al.
patent: 7288734 (2007-10-01), Shiroshita
patent: 59-70884 (1984-05-01), None
patent: 2007193973 (2007-08-01), None
Ohta Noriaki
Takatsu Yukiyoshi
Yamamoto Takao
Friedhofer Michael A.
Honda Motor Co. Ltd.
Klaus Lisa N
Toyo Denso Co., Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
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