The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2014
Filed:
Aug. 02, 2012
Applicants:
Jifang Tian, Fremont, CA (US);
Jian Yang, Fremont, CA (US);
Qiang Yang, Fremont, CA (US);
Inventors:
Assignee:
Western Digital Technologies, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/022 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disk drive having a hub comprising a top surface and a non-circular protrusion extending upward from the top surface, a disk clamp comprising a wall portion and a non-circular opening formed through the clamp, the opening configured to receive the non-circular protrusion extending upward from the top surface of the hub; and at least one disk supported by the hub, wherein the non-circular protrusion extending upward from the top surface of the hub is inserted into the opening formed in the clamp, and wherein an outer annular portion of the clamp engages the disk to provide clamping force.