| 摘要 |
A disk unit includes a tray and a slide-restricting member. The tray conveys a disk between a disk-driving position positioned inside a chassis and a disk-exchanging position positioned outside the chassis. The slide-restricting member is provided between the tray and the chassis in a slidable manner and is engageable with a coupling part formed in at least one of the tray and the chassis to restrict the tray from moving beyond the disk-exchanging position when the tray is extracted and arrives at the disk-exchanging position. Further, the slide-restricting member is movable between a first position positioned in a backward direction from a rear-end part of the tray and a second position positioned in a forward direction from the rear-end part of the tray.
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