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.

Date of Patent:
Nov. 19, 2013

Filed:

Mar. 12, 2013
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Takayuki Ishino, Kyoto, JP;

Akihiro Yudate, Kyoto, JP;

Assignee:

Nidec Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A base member of a motor includes a base body portion and a motor base portion. The motor base portion is made of a first kind of metal. The base body portion is made of a second kind of metal. The first kind of metal is larger in Young's modulus than the second kind of metal. The motor base portion includes a base through-hole and a base groove portion. A lead wire of a coil extends radially outward through the base through-hole and the base groove portion. Within the base groove portion, an insulating layer is arranged between the lead wire and a bottom surface of the base groove portion to cover a border between the motor base portion and the base body portion, an outer edge of the base groove portion, and an inner edge of the base body portion opposed to the outer edge.


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