Patent ID: 9406333
Filing Date: 2016-08-02
CPC Classification: G11B

Claim Text:
1. A disk drive comprising: a disk drive base having a bottom surface; a spindle attached to the disk drive base, the spindle defining an axis of rotation normal to the bottom surface; a first disk and a second disk mounted coaxially on the spindle, the first disk disposed closer to the bottom surface than the second disk; and a first stationary plate affixed to the disk drive base by a plurality of fasteners, the first stationary plate extending between the first and second disks in an overlap region that spans at least 75 degrees of the circumference of each of the first and second disks; wherein the first stationary plate includes a first plurality of fastener holes, each of the first plurality of fastener holes extending through the first stationary plate in a direction that is parallel to the axis of rotation; and wherein the plurality of fasteners extends through the first plurality of fastener holes; and wherein the first stationary plate includes a first plurality of grooves that are elongated orthogonally to the axis of rotation, each of the first plurality of grooves being adjacent to a corresponding one of the first plurality of fastener holes.