| 摘要 |
In an opening/closing cover mechanism, an opening/closing cover is provided with a slidable plate in such a manner as to freely make a reciprocating motion in one direction. The slide plate slides in the one direction in the state in which the opening/closing cover is closed, thereby locking the opening/closing cover when the slide plate is at locked position. A cam mechanism is disposed in an opposing portion defined between an opening edge of an accommodation chamber and an outer peripheral edge portion of the opening/closing cover, both of the edges being faced with each other in the state in which the opening/closing cover is closed, to function when the slide plate slides in the one direction in the state in which the opening/closing cover is closed. The cam mechanism allows a pressing force to act on the opening/closing cover along an axial direction of a hinge axis.
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