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:
Jan. 10, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Hiroaki Sasaki, Furukawa, JP;
Kazuo Hasegawa, Furukawa, JP;
Noboru Fukukawa, Furukawa, JP;
Masanori Yata, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9908 ;
Abstract
A disc driving device having a housing in which are formed by cutting a pair of front bearing portions in the vicinity of a disc drive motor mounting hole and a pair of rear bearing portions at predetermined distances from the front bearing portions, characterized in that a cutting tool relief slot contiguous to the rear bearing portions and deeper than a cutting allowance for those rear bearing portions is provided in the housing so that a cutting tool can move efficiently along the relief slot when it is moved from one rear bearing portion to the other.