| 摘要 |
PROBLEM TO BE SOLVED: To reduce force required for separating a clamper. SOLUTION: The clamping mechanism is provided with a turntable 3 for placing and rotating a disk 5, a clamper 1 for holding the disk 5 between itself and the turntable 3, and a clamper arm 2 which removably supports the clamper 1 and releases it from the disk 5. When the clamper 1 is separated from the turntable 3, a projecting part 4 is provided in an action part 2a of the clamper arm 2 brought into contact with the clamper 1, and the clamper 1 is separated from the turntable 3 by the principle of leverage.
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