| 摘要 |
An automatic disk changer including: a pair of arms adapted to clamp a disk; a pair of coupling bars which are coupled through gear mechanisms to the base end portions of the arms, respectively; a cam adapted to swing the arms with the aid of the coupling bars; and a disk presence/absence detector which is provided confronted with one of the coupling bars. In the disk changer, the two arms are swung by the cam with the aid of the coupling bars, and when the angle formed by the two arms becomes smaller than the angle formed when the disk is actually clamped between them, the disk presence/absence detector is operated by the one of the coupling bar.
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