| 摘要 |
PROBLEM TO BE SOLVED: To prevent the deformation even if a force in the lateral direction is applied when a device is hit or dropped. SOLUTION: When a holder 1 leaves a chassis and a cassette component is open, the holder 1 and an arm 2 are in contact mutually without creating a clearance therebetween due to a stepped part 1a formed in an engaging region of the holder 1. The stepped part 1a of the holder 1 comes into contact with a main body side of the arm 2, and a main body side of the holder 1 comes into contact with an engaging part 2a of the arm 2 to reduce a clearance therebetween. By providing the stepped part 1a in this region, the clearance can be reduced as much as possible in a scope in which the operation of a link does not cause a failure.
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