| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation panel capable of holding the opened state of opening/closing bodies when the opening/closing bodies such as an opening/ closing cover and plates for switching are opened. SOLUTION: In this operation panel provided with freely openable and closable switching plates 16, 17 and 18 which cover operation keys 15 or switch the keys 15 on/over a panel surface 14a, while the panel surface 14a is provided with many operation keys 15, when the plates 16, 17 and 18 for switching are opened with the hinge parts 21, 22 and 23 of the plates 16, 17 and 18 for switching, a stopper cam part 30 is formed to be engaged with the panel surface 14a to hold the plates 16, 17 and 18 for switching in erected and opened state.
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