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. 05, 2005
Filed:
Mar. 10, 2003
Ming-goei Sheu, Cupertino, CA (US);
Ming-Goei Sheu, Cupertino, CA (US);
ESGW Holdings Limited, Tortola, VG;
Abstract
A data storage device () includes a stator (), a rotor (), a disk (), and a clamp () attaching the disk to the rotor. The rotor includes a hub () forming a shoulder () at a top portion thereof. A recess () is defined in the top portion of the hub and surrounded by the shoulder. An outer diameter of the recess is equal to or larger than a diameter of a central opening () of the disk. The disk is seated on the shoulder of the hub. The clamp includes a bottom fixing part () fixedly attached to the hub in the recess, a cylindrical wall () abutting an inside of the shoulder and the disk in the central opening, and a pressing part () extending through the central opening of the disk and pressing on the disk thereby ensuring that the disk can rotate with the rotor.