| 摘要 |
PROBLEM TO BE SOLVED: To provide a push button device wherein a case member and an operation member can be replaced easily. SOLUTION: In the push button device provided with a base member 111, a switch board 121 equipped with a light source and a contact point member 126, a packing 123 for protecting the switch board 121, an operation member 125 for operating the contact point member 126 via the packing 123 and a case member 112 for storing the switch board 121, packings 123, 125 between the case member 112 and the base member 111, protruding parts 111a, 111b are formed at an upper edge part and a lower edge part of the base member 111 and recessed grooves 112a1, 112a2 for engaging with the protruding parts 111a, 111b are formed at the inside of the upper edge part and inside of the lower edge part of the case member 112. COPYRIGHT: (C)2008,JPO&INPIT
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