Title:
DC MOTOR AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2017050917
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a DC motor capable of easily securing coaxial property between commutators and feed brushes.SOLUTION: The DC motor includes: a brush holder 41 fixed to an end frame 22 and having a plurality of brush boxes 44 disposed at equal intervals in the circumferential direction; and a plurality of feed brushes 42 respectively housed in the plurality of brush boxes 44 to slidably contact to commutators. The brush holder 41 includes a plurality of plate side holding units 48 (bearing holding units) for holding an outer lace 26a of a ball bearing 26. The arrangement position of each plate side holding unit 48 is set at a circumferential direction center position between brush boxes 44 mutually neighboring in the circumferential direction.SELECTED DRAWING: Figure 3
Inventors:
MIZUNO YOSUKE
Application Number:
JP2015170564A
Publication Date:
March 09, 2017
Filing Date:
August 31, 2015
Export Citation:
Assignee:
ASMO CO LTD
International Classes:
H02K13/00; H02K15/02; H02K23/00
Domestic Patent References:
| JP2003023746A | 2003-01-24 | |||
| JP2006087243A | 2006-03-30 | |||
| JP2000014073A | 2000-01-14 | |||
| JPH07506957A | 1995-07-27 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda