| 摘要 |
PROBLEM TO BE SOLVED: To positively put a push button switch in action even when the case of the corner part of a talk push-button is being pressure-operated. SOLUTION: An elastic support part 2 for supporting a talk button 1 is provided protruding from the edge part of an opening 12, and the elastic support part 2 is formed at a position, where the back face side peripheral edge part 9 of the talk button 1 is supported. A push-button switch 4 is constituted to interlock a push-button part of the push button switch 4, with a pressing protrusion formed on the back face side of the talk button 1 so as to be in the 'on' state not only in the case of pressing the push button part but also in the case of pulling it.
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