Patent ID: 7224551

Claim:
A disk drive comprising: a disk drive base; a spindle motor attached to the disk drive base, the spindle motor including a hub having a plurality of hub apertures, each of the plurality of hub apertures extending through a portion of the hub; a plurality of disks positioned on the spindle motor, the plurality of disks including a first disk and a second disk; a disk spacer positioned between the first and second disks, the disk spacer having a plurality of spacer through apertures, the spacer through apertures being circumferentially spaced-apart, each of the plurality of spacer through apertures extending radially through the disk spacer; a disk clamp for clamping the plurality of disks to the spindle motor, the disk clamp having a plurality of circumferentially spaced-apart clamp through apertures adjacent to an inner diameter of the disk clamp, the clamp through apertures being circumferentially spaced-apart, each of the plurality of clamp through apertures extending longitudinally through the disk clamp, the disk clamp further including a plurality of fastener through apertures circumferentially spaced-apart adjacent to the inner diameter of the disk clamp, the fastener through apertures and the clamp through apertures being alternately arranged on the disk clamp; wherein the clamp through apertures, the hub apertures and the spacer through apertures are aligned for allowing airflow to pass through the apertures when the plurality of disks are rotating.