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:
Oct. 10, 1995
Filed:
Mar. 02, 1994
Hans L Leuthold, Santa Cruz, CA (US);
David J Jennings, Watsonville, CA (US);
Gerold Heiner, Aptos, CA (US);
Donald J MacLeod, Santa Cruz, CA (US);
Seagate Technology, Inc., Scotts Valley, CA (US);
Abstract
A specially designed disc-mounting hub is provided having a disc-mounting flange protruding from a substantially cylindrical hub portion. A disc-mounting flange has a raised surface about the periphery of the flange upon which the disc rests. A lapped or ground spacer rests on the surface of the hub above the flange, and the disc in a single disc system or the bottommost disc in a multiple disc system rests upon this spacer. The opposite side of the disc in a single disc device is then clamped in place; if a plurality of discs are being utilized, the remainder of the discs are alternately stacked with spacer rings upon the first disc. A clamping ring is attached opposite the disc or discs-mounting flange and working cooperatively with the flange and ground spacer imparts a force upon the disc and spacer ring stack to hold the discs in place.e