Patent ID: 7084359
Filing Date: 2006-08-01
Classification: H01H

Abstract:
1. A switch device comprising: a rubber dome for small application force and a rubber dome for heavy application force, respectively, made of a rubber material, which are integrally formed with one plate shaped base, respectively, the rubber domes being adjacent to each other; and; operation body disposed on the rubber domes such that one lower end of the operation body is disposed on a top surface of the rubber dome for small application force and another lower end is disposed on a top surface of the rubber dome for heavy application force, the operation body being movably supported in a vertical direction, wherein the base around the rubber dome for heavy application force is thicker than the base around the rubber dome for small application force, and a preventing part is provided so as to prevent the base of the rubber dome for small application force from deforming, and the thick base around the rubber dome for heavy application force and the preventing part are disposed so as to surround an outer periphery of the base of the rubber dome for small application force.