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:
Feb. 16, 1999
Filed:
Nov. 18, 1997
Masayoshi Saichi, Nagano, JP;
Mitsuru Ide, Nagano, JP;
Sankyo Seiki Mfg. Co., Ltd., Nagano-ken, JP;
Abstract
A disc drive motor comprises a fixed a fixed shaft, a ball bearing fitted on the fixed shaft, a cylindrical hub rotatably supported by the ball bearing, a clamper for fixing a disc to the hub and a cap secured to the hub so as to cover one open end of an opening portion of the hub. The cap includes an engaging element formed as part of the cap for engaging with a rotation stopper jig in order to stop rotation of the hub when clamping the discs. The engaging element includes a protruding or recessed portion of the cap. The engaging may be in the form of a polygon or, in particular, a regular polygon.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile