| 摘要 |
PROBLEM TO BE SOLVED: To provide a push button switch which, while assuring a click touch, can make a size smaller. SOLUTION: A base 1 is provided with a plunger 4, a recovering spring 22a lever link mechanism 5 for shifting the plunger 4 in parallel and a switch main body 2 which is operated by working of the lever link mechanism 5, and the lever link mechanism 5 is composed of a pair of lever links 11 and a joint member 12 which combines both of abutting ends of the pair of the lever links 11, and an outer end portion of the lever link 11 is made operated by the plunger 4, and a leaf spring 13 is bridged over both of the outer end portions of the lever links 11 and the outer end portions of the lever links 11 are energized to be drawn near by an elastic force of the leaf spring 13, and the lever link mechanism 5 makes a snap action in a shifting direction of the plunger in accordance with a rocking operation of the lever link 11 by the plunger 4, and the switch main body 2 is pushed down by the leaf spring 13 which moves in a shifting direction of the plunger in accordance with working of the lever link mechanism 5. COPYRIGHT: (C)2008,JPO&INPIT
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