| 摘要 |
A display is rotatably supported by a hinge portion as a support portion. The hinge portion has an engaging portion for performing engagement when the display is rotated to a predetermined using position. The engaging portion is constructed so as to perform the engagement in plural engaging places when the display is rotated to the predetermined using position. The engaging portion has a fixing member and a rotating member constituting the hinge portion. One of the fixing member and the rotating member has plural convex portions, and the other has plural concave portions. These plural convex portions and concave portions are arranged so as to be engaged with each other. Thus, durability of the engaging portion is improved, and GND ability can be improved.
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