| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation button device having an easily detachable operation button. SOLUTION: This operation button device is provided with: a frame body 110 having a holding part 112, and one-end guide parts 117a, 117b, 118a and 118b formed along the inside surface 113 of the holding part 112; and the operation button 120 having a side part 121, and projecting parts 127a, 127b, 128a and 128b projecting from the outer circumferential surface 122 of the side part 121, and detachably held by the holding part 112 of the frame body 110. The operation button device is so structured that, when the operation button 120 is detached from the holding part 112 of the frame body 110, the projecting parts 127a, 127b, 128a and 128b of the operation button are brought into contact with the guide parts 117a, 117b, 118a and 118b of the frame body 110 and pressed in the center direction of the operation button 120, and the side part 121 of the operation button 120 is elastically deformed in the center direction of the operation button 120. COPYRIGHT: (C)2004,JPO
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