| 摘要 |
PROBLEM TO BE SOLVED: To prevent that a rail groove is deviated from a rail, a tray is destroyed, even if external force is applied at the time of unloading, and to prevent that the number of parts are increased, and easiness of assembling is damaged. SOLUTION: In an optical disk drive device which is provided with a loading base on which a loading mechanism is mounted and a tray 1 for carrying a disk, in which a rail groove 3 of the tray 1 is engaged in a rail of the loading based, the rail groove 3 and the rail are slid by being driven by the loading mechanism at the time of unloading and the tray 1 is discharged, a rib 1a is provided at the under surface of a rear part of the tray 1. This rib may be provided at the under surface of the rear part or at both surfaces. COPYRIGHT: (C)2004,JPO
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