Patent ID: 6961216
Filing Date: 2005-11-01
Classification: G11B

Abstract:
1. A hard disk drive, comprising: an enclosure; a motor mounted to the enclosure, the motor having a shaft, a hub with a central bore, a plurality of fastener openings formed on a bolt circle diameter, an outer circumference at a perimeter of the hub, and a bearing assembly that is located radially between the shaft and the hub in the central bore of the hub, the bearing assembly having a bearing sleeve that defines an outer wall; a disk clamp having a central opening and a plurality of apertures extending through the disk clamp at the bolt circle diameter, the central opening defining an inner wall, the disk clamp being concentrically aligned with and attached to the motor by engagement between the inner wall of the disk clamp and the outer wall of the bearing sleeve, such that the disk clamp is closely received by and seats on the bearing assembly in the hub; a disk for information storage and retrieval mounted to the hub for rotation therewith, the disk being secured to the hub with the disk clamp; and an actuator assembly mounted to the enclosure for movement relative to the enclosure and the disk, the actuator having a head gimbal assembly with a head for reading data from and writing data to the disk.