Patent ID: 6577586
Filing Date: 2003-06-10
Classification: G11B

Abstract:
A clamping device of a disk drive comprising:a chassis; a driving source attached to the chassis to rotate a driving member; a clamping member to clamp a disk being ascended and descended by virtue of a rotation movement of the driving member; and a clamping member ascending and descending unit to switch the rotation movement of the driving source to a vertical movement of the clamping member, to elastically support the disk on a turntable, wherein the clamping member ascending and descending unit comprises: a plurality of elastic support arms, of which one is installed at a higher position than the others; an elastic bent portion having one end coupled to the driving member, and a body extending from the one end in a bent form to have elasticity; a support piece extending from the elastic bent portion, to help mount the disk on a turntable; and a guide piece formed at one side of the elastic bent portion, functioning as a cam to ascend and descend the support piece according to a rotation of the driving member, the clamping member ascending and descending unit being an elastic support arm that is rotated along with the driving member.