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:
Aug. 13, 1985
Filed:
Dec. 29, 1981
Applicant:
Inventor:
Bernhard Schuh, St. Georgen, DE;
Assignee:
Papst-Motoren GmbH & Co. KG, St. Georgen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 97 ; 360133 ;
Abstract
A magnetic disc storage driving mechanism is provided comprising a DC brushless driving motor having a stator and a rotor, a contaminant-free space without air intake provision for containing storage disks, bearings mounting the rotor for rotation and for driving a hub which receives at least one rigid storage disk within the contaminant-free space, and labyrinth seals arranged between the drive parts of the motor and the contaminant-free space containing the storage disk.