Patent ID: 9361929
Filing Date: 2016-06-07
CPC Classification: C12N,G11B

Claim Text:
1. A disk clamp and fastening screw combination for a disk drive, the disk drive including a hub rotated by a motor with the fastening screw having a head and a shaft, the shaft threaded into the hub, and at least one storage disk supported on the hub by the fastening screw and disk clamp combination, the disk clamp comprising a circular member having a center, a top surface, a bottom surface and an outer diameter, at least one fastening hole centrally located in the circular member, a midsection having a perimeter surrounding the fastening hole, the midsection having a downward slant from the perimeter toward the fastening hole at an angle between 0° and −3.5° from the top surface of the circular member so that when the head of the fastening screw is tightened against the midsection of the circular member the outer diameter of the head contacts the midsection of the circular member first, the midsection maintaining a downward slant during tightening of the fastening screw.