| 摘要 |
In a disc tray (T) having a tray main body (1) to which disc holders (3) are mounted at a plurality of portions in a periphery of a disc set portion, there are provided with a movable body (4) swinging the disc holder (3) through a push pull operation, and an operation knob (43) for pushing and pulling the movable body (4). A gear in a side of the disc holder (3) is engaged with a rack portion (42) in a side of the movable body (4)
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