| 摘要 |
PROBLEM TO BE SOLVED: To provide an optimum relative arrangement structure for a click spring and a fixed contact in a push switch. SOLUTION: A pair of fixed contacts 33, 33 are arranged right and left symmetrical in the bottom face of a button holder part 31a of a base stand 31, a dome-like click spring 34 is put over the fixed contacts, and a push button 35 is further installed above the click spring 34 in a manner the push button 35 can move vertically. When the push button 35 is depressed, the click spring 34 is recessed and the pair of the fixed contacts 33, 33 are closed. The pair of the fixed contacts 33 are installed in the insides near the upper ends (summits A) of the recessed part O of the click spring 34 at the time of closing the contacts and in the outsides near the halfway up parts B the recessed part O, in other words, in the insides of the regionsεMID or their peripheral parts.
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