Switch device having rubber dome and generating superior...

Details Switch device having rubber dome and generating superior... Switch device having rubber dome and generating superior...

2006-08-01

2006-08-01

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

C200S512000, C200S517000

Reexamination Certificate

active

07084359

ABSTRACT:
A switch device is provided with a first rubber dome for small application force, a second rubber dome for heavy application force, and an operation body. The rubber domes are integrally formed with a plate shaped base, and adjacent to each other. Lower ends of the operation body is disposed on the top surface of the first and second rubber domes. The operation body is movably supported in a vertical direction. The base around the second rubber dome is formed with a smaller thickness than the base around the first rubber dome. A preventing part is provided so as to prevent the base of the first rubber dome from deforming. The thick base around the second rubber dome for and the preventing part are disposed around an outer periphery of the base of the first rubber dome.

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patent: 7-312145 (1995-11-01), None
patent: A-2002-334631 (2002-11-01), None

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