| 摘要 |
PROBLEM TO BE SOLVED: To provide an operating switch capable of providing a constant click feeling without increasing the number of part items. SOLUTION: The operating switch comprises: operating buttons 21, 22, and 23 moved by receiving a pressing operation; a button frame 20 holding the operating buttons 21, 22, and 23 through spring parts 31-36; and click contact pieces 41, 42, and 43 in the shape of a circular arc in cross section, where the click contact pieces 41, 42, 43 make projecting directions reversed to make respective continuities with contact parts 51, 52, and 53 located separately when the click contact pieces 41, 42, and 43 are pressed by motions of the operating buttons 21, 22, and 23, and locations of them exceed a specified limit; where the click contact pieces 41, 42, and 43 are mounted on the button frame 20. COPYRIGHT: (C)2004,JPO
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