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:
Nov. 25, 2025
Filed:
Aug. 28, 2023
Applicant:
Minebea Mitsumi Inc., Nagano, JP;
Inventors:
Junichi Nakane, Kitasaku-gun, JP;
Hideaki Showa, Kitasaku-gun, JP;
Assignee:
MINEBEA MITSUMI INC., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/02 (2006.01); G11B 19/20 (2006.01); G11B 25/04 (2006.01); G11B 33/12 (2006.01);
U.S. Cl.
CPC ...
G11B 33/022 (2013.01); G11B 19/2009 (2013.01); G11B 25/043 (2013.01); G11B 33/123 (2013.01);
Abstract
A spindle motor includes a base being a cast product as a part of a housing of a hard disk drive device. The base has a hole portion configured to accommodate a fastening member configured to fasten a member to be attached to the base. The hole portion is a blind hole extending in a depth direction from a surface of the base and having a tip surface formed flat.