Patent ID: 6590855
Filing Date: 2003-07-08
Classification: G11B

Abstract:
A disk chucking mechanism comprising:a pickup for reading information from a disk; a pickup moving means for moving said pickup; and a claw member supported by a disk table so as to protrude and retract from an upper surface of the disk table rotated by rotary driving means, the claw member for clamping said disk through a center hole at a time that the claw members protrudes, while unclamping the disk at a time that the claw member retracts; and protrusion/reaction means for protruding the claw member when the pickup reaches a predetermined position apart from the center of the disk table after moving from the inner periphery toward the outer periphery and for retracting the claw member when the pickup reaches a predetermined position apart from the center of the disk table after moving from the outer periphery toward the inner periphery.