| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that work is complicated while increasing man- hour in the case of assembling a second key to a cover member although a conventional control panel is equipped with plural first keys provided on the control panel, the cover member for covering the first keys so as to open/close and the second key provided on the cover member in a key structure capable of pressing any arbitrary first key when the second key is pressed in the state of closing the cover member. SOLUTION: This control panel 15 is provided with plural one-action keys 29 and a mode changeover key 25 attached to an opening/closing one-action cover 28 covering the one-action keys 29, the mode changeover key 25 is provided with a supporting leg 25b and an attachment for pressing the one-action key 29 on the rear side, the one-action cover 28 is provided with a supporting leg hole 28b for accepting the supporting leg 25b and an engage hole 28a for accepting the attachment 25c and preventing the attachment from being disengaged upward, and an elastic member 31 is interposed between the mode changeover key 25 and the one-action cover 28.
|
