Patent ID: 7164554
Filing Date: 2007-01-16
Classification: G11B

Abstract:
1. A disk drive, comprising: a housing having a spindle motor with a hub, a media disk mounted to the spindle motor, an actuator having a read/write head for reading data from and writing data to the media disk; the hub having an axis, a surface, a perimeter that circumscribes the hub, and a recess formed in the surface between the axis and the perimeter; a disk clamp for securing the media disk to the spindle motor, the disk clamp having an axis, a surface, a fastener opening, a perimeter that circumscribes the disk clamp, and a rib protruding from the surface between the disk clamp perimeter and the fastener opening, the rib being positioned in the recess in the hub; a fastener having a lubricant and extending through the fastener opening to secure the disk clamp to the spindle motor; and a ring mounted to the rib, the ring extending between the rib and the hub to seal any lubricant migrating in a radial direction away from the fastener toward the media disk.