Patent ID: 6333911
Filing Date: 2001-12-25
Classification: G11B

Abstract:
In a disk playback apparatus that includes a magazine that accommodates a plurality of disks of different sizes that are operatively mounted on respective disk holding units, a playback unit for reproducing the information on a disk and a drawing out unit for selectively moving a holding unit with a disk to an operative position to reproduce the information on the disk, the improvement comprising:a control member movably positioned adjacent the playback unit and contacted by the holding unit as it is drawn out by the drawing out unit, the control member includes a rotatable link member that pivots about an intermediate position on the link, the rotatable link member includes a holder butting pin on a first side of the intermediate position and a disk control pin on a second side of the intermediate position to force a disk to the chucking position, the holder butting pin positions the disk control pin at a first position for a disk of a first size and at a second position for a disk of a second size whereby the disk control pin contacts a peripheral portion of the disk on the disk holding unit to insure it is aligned properly with an operative position relative to the playback unit.