Patent ID: 6212139
Filing Date: 2001-04-03
Classification: G11B

Abstract:
A disk changer apparatus comprising:a stocker tray including a plurality of partitioning plates arranged substantially in parallel at predetermined special intervals, and a coupler for coupling said partitioning plates to have an opening at least in a bottom part thereof, said stocker tray being adapted to hold each of a plurality of disks, which is disposed in a partition between adjacent partitioning plates;a disk redroduction unit movable along the direction of disk arrangement in said stocker tray for selectively reproducing any one of said disks held in said stocker tray; a disk delivery unit including a push-up lever adapted to advance into a partition between adjacent ones of said partitioning plates from said opening formed in said coupler of said stocker tray and to take out the disk to outside the apparatus from said stocker tray, and an eject lever for taking out the disk from said stocker tray by rotating said push-up lever and retaining the disk taken out, said disk delivery unit being movable along the direction of disk arrangement in said stocker tray; anda positioning mechanism for setting said disk delivery unit in a position with respect to a correspondinp position of said stocker tray holding each of said disks; and wherein said positioning mechanism includes a plurality of triangular grooves formed continuously in positions corresponding to the disk positions in said stocker tray, a ball engages with said triangular grooves to be supported movably by said disk delivery unit, and spring for pressing said ball against said triangular grooves.