| 摘要 |
PROBLEM TO BE SOLVED: To provide a key switch capable of preventing dust or the like from infiltrating into a key switch main body and capable of speedily and easily fitting conductive rubber in correction to a proper fitting position at assembly work of the same. SOLUTION: On the key switch, having an interference evading part 'a' into which a locking part 41 is inserted at each location of the conductive rubber 21 facing the locking part 41 for fall-off prevention set at an operation button, and a printed board 1; retaining a descending stroke of the operation button; and enabled to make an interval between a printed board 1 and a panel 3 smaller; the interference evading part 'a' is constituted of a concave part 25 integrally formed with the conductive rubber 2 and an insertion hole 13 formed at the printed board 1 for the concave part 25 to be insertion fitted, and further, the concave part 25 integrally formed with the conductive rubber 2 is provided with a protrusion 26 protruded downward from the insertion hole 13. COPYRIGHT: (C)2006,JPO&NCIPI
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