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:
Dec. 24, 1991
Filed:
Oct. 30, 1989
James L Johnson, San Jose, CA (US);
Kabushiki Kaisha Toshiba, , JP;
Abstract
In the present invention, an improved retaining member for a disc drive is disclosed. The disc drive has a spindle with a plurality of data storage discs mounted on the spindle. The retaining member is in the shape of a ring with a central hole and a plurality of spaced-apart teeth-shaped members positioned circumferentially about the ring and protruding into the central hole. The retaining member is positioned with the spindle through the central hole and substantially abuts one of the data storage discs. The plurality of teeth-shaped members are urged against the side of the spindle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile