Patent ID: 8151288
Filing Date: 2012-04-03
Classification: G11B

Abstract:
1. A disk chucking device coupling a disk to a rotor of a motor such that the disk can be mounted and demounted, the disk chucking device comprising: a housing accommodating a boss being coupled with the rotor; a plurality of chuck pins inserted into the housing such that the chuck pins are protruded to the outside of the housing; an elastic body disposed in between a pair of adjacent chuck pins to elastically support the adjacent pair of the chuck pins toward the outside of the housing; a supporting surface formed on an outer circumference of the boss to support a center portion of the elastic body; a guide part facing the supporting surface to guide a movement of the elastic body; and a protruding part protruded on a lower end of the guide part toward the boss to support a lower side of the center portion of the elastic body.