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:
Oct. 28, 2014
Filed:
Mar. 08, 2013
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Yuki Masumi, Kyoto, JP;
Junzo Fujinawa, Kyoto, JP;
Assignee:
Nidec Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/02 (2006.01); G11B 33/12 (2006.01); H02K 5/02 (2006.01); H02K 11/00 (2006.01); B22D 25/02 (2006.01); H02K 5/167 (2006.01); H02K 5/22 (2006.01); B22D 19/04 (2006.01); H02K 5/08 (2006.01);
U.S. Cl.
CPC ...
H02K 5/02 (2013.01); H02K 11/0073 (2013.01); B22D 25/02 (2013.01); H02K 5/1675 (2013.01); H02K 5/225 (2013.01); B22D 19/04 (2013.01); H02K 5/08 (2013.01);
Abstract
A base plate of a disk drive apparatus includes a motor base disposed around a central axis and a base body portion extending radially outward of the motor base. The motor base is made of a metallic material of a first type. The base body portion is made of a metallic material of a second type. The base body portion is a casting product in which the motor base is an insert component. An upper protruding portion and a lower protruding portion are defined in one of an outer end portion of a bottom plate portion of the motor base and an inner end portion of the base body portion.