Patent ID: 6456572
Filing Date: 2002-09-24
Classification: G11B

Abstract:
A disk drive unit comprising a rack which revolves on a first central shaft with a plurality of disks arranged on said rack radially around the central shaft, a plurality of disk driving mechanisms each of which read-accesses or read/write-accesses a disk, an access mechanism which is located between said rack and said disk driving mechanisms to transfer said disks between said rack and said disk driving mechanisms, and a control unit; whereinsaid access mechanism is pivotally supported by a second central shaft which is approximately in parallel with said first central shaft and equipped with a disk transfer means which can selectively face said rack and any of said disk driving mechanisms, and wherein said disk driving mechanisms are disposed radially around said second central shaft to face the revolving access mechanism at a preset distance; and wherein said disk transfer means comprises a first disk transport and a second disk transport such that said disk transfer means takes a disk from the rack using said first disk transport and moves said disk to any one of said disk driving mechanisms using said second disk transport.