Patent ID: 8176504
Filing Date: 2012-05-08
Classification: G11B

Abstract:
1. A disk clamping device, comprising: a turntable having a hub integrally provided in a central portion thereof, the hub being inserted into a central hole of an optical disk; a guide unit accommodated in the turntable in such a way as to move linearly, at least portion of the guide unit protruding outwards from the hub and supported by the optical disk, the guide unit being moved linearly by mounting force of the optical disk; a spring provided in the turntable to elastically bias the guide unit in a direction opposite to a direction of insertion of the optical disk; and a chucking plate pressing an upper surface of the optical disk seated on the turntable, thus securing the optical disk to the turntable, wherein the turntable comprises: wherein the guide unit comprises: