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. 28, 1995
Filed:
Nov. 12, 1992
Applicant:
Inventors:
Helmut Hans, St. Georgen, DE;
Jurgen Oelsch, St. Georgen, DE;
Assignee:
Papst Licensing GmbH, Spaichingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; F16C / ; H02K / ;
U.S. Cl.
CPC ...
360 9807 ; 360 9908 ; 310 90 ; 384461 ;
Abstract
A disk memory drive is presented having a stator and a rotor that is equipped with a centered hub, which hub has a surface onto which one or several hard disks are mountable. The bearing system between rotor and stator comprises two ball-bearings. The first ball-bearing is mounted between the rotor and stator a first distance from a rotational axis, and the second ball-bearing is mounted between the rotor and stator a second distance from the rotational axis, wherein the second distance is greater than the first distance.