| 摘要 |
PROBLEM TO BE SOLVED: To rotate an FD 4, i.e., a floppy disc (registered trademark), mounted on an FD holder so that the written contents of the floppy disc can be confirmed, and to mount or demount the FD 4 on or from the holder freely. SOLUTION: A metal holder for holding the FD 4 is made of an elastic plate material formed into a U-shape, which has two plates opposite to each other. On the front end of the inner surface of one plate, a locking part 8 comprising a spherical locking projection 7 is formed so that the locking projection is locked on the protective tab hole of the FD 4 in a rotary manner. The inner surface of the other plate longer than the one plate forms an insertion guide part 9. A plurality of the metal holders 6 having the above constitution are arranged on the base of the FD holder in its length direction in such a way that the metal holders move in the length direction freely.
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