| 摘要 |
PROBLEM TO BE SOLVED: To improve structure of a lid in an operation panel provided with a pivotal lid whose one end is supported at a pivotal center in such a manner that opening and shutting are enabled on the operation panel main body. SOLUTION: When the lid 10 is pivoted so as to open a specified angle from a closed state, a tongue 115 of the lid 102 gets over a first protruding part 116 of a pawl 116 of a cover 101 of the operation panel main body, and engages elastically with a part between the first protruding part 116a and a second protruding part 116b, so that the lid 102 is held. When the lid 102 is made to pivot further in the direction for opening the lid 102, the tongue 115 cannot get over the protruding part 116b, and the pivoting is hindered. When the lid 102 is to be opened further with a strong force from the above state, a pivoting center shaft 111 of the cover 101 comes off from an aperture 119 of an engaging part 114 of the lid 102, and the lid 102 gets out of the cover 101.
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