Patent ID: 7826173
Filing Date: 2010-11-02
Classification: G11B

Abstract:
1. A disk spacer adjacent a clamping screw and located on a rotator of a spindle motor to allow an additional disk to be mounted on the spindle motor, the disk spacer comprising: a screw hole formed in a central part of the disk spacer to allow the clamping screw to pass through the disk spacer, the central part of the disk spacer being disposed against the clamping screw between a head of the clamping screw and an upper surface of the rotator and pressed by the head of the clamping screw; a first disk pressing part located at a lower surface of an outer circumference part of the disk spacer to press surroundings of a central hole of a first disk directly mounted on the rotator; and a second disk supporter located at an upper surface of the outer circumference part of the disk spacer to support the surroundings of a central hole of a second disk located above the first disk.