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:
Apr. 21, 1987
Filed:
Apr. 27, 1984
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; H01F / ; H01F / ;
U.S. Cl.
CPC ...
360137 ; 335255 ; 360105 ;
Abstract
A disk drive unit is provided with an electromagnetic releasing/arresting device for the head support, in order to prevent the head and the disk record from being damaged when the drive unit is shipped, handled or switched off. The novel electromagnet has a low power consumption and small dimensions, is economical to manufacture and exhibits high operational reliability.