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Title:
BRUSH CARD ASSEMBLY, AND METHOD OF MANUFACTURING BRUSH CARD ASSEMBLY
Document Type and Number:
Japanese Patent JP2014239584
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technique of enhancing the workability when assembling a brush card assembly or when assembling a brush card assembly and a rotor, while reducing the possibility of cracking a brush.SOLUTION: A first groove recessed radially inward and elongating in the circumferential direction is provided at the other end of a brush, and an exposed part not covered with a brush holder is provided at least in the vicinity of the other end of a brush. The exposed part has a second groove elongating radially while being recessed in the circumferential direction. Radial outer end of the second groove is connected with the first groove, and the other end of a press member has a contact part bending toward the center of a hole, and a portion of the contact part is in contact with the first groove, in a brush card assembly.

Inventors:
FUJITA TORU
MAEDA MASAYOSHI
GUNTER KINLEY
JUERGEN SCHMID
THOMAS KUEBLER
Application Number:
JP2013120162A
Publication Date:
December 18, 2014
Filing Date:
June 06, 2013
Export Citation:
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Assignee:
NIPPON DENSAN CORP
NIDEC MOTORS & ACTUATORS (GERMANY) GMBH
International Classes:
H02K13/00; H01R39/04
Domestic Patent References:
JP2008172942A2008-07-24
JP2008172943A2008-07-24
JP2008220079A2008-09-18
JP2009033956A2009-02-12
Foreign References:
US4163167A1979-07-31
EP2031738A12009-03-04
US4163167A1979-07-31
EP2031738A12009-03-04
Attorney, Agent or Firm:
Hideaki Kitamura