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Patent Searching and Data


Title:
BRUSH DEVICE AND DC MOTOR WITH THE SAME
Document Type and Number:
Japanese Patent JP2015159685
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a brush device that improves assemblability, reduces defective fraction, and enables a coil spring to be reliably disposed in a specific position.SOLUTION: The invention relates to a brush device comprising: a columnar coil spring arrangement part 72e supporting a coil spring E; and a guide part 73 supporting one end part E1 and the other end part of the coil spring E while guiding the to predetermined positions. This guide part 73 includes: a first guide member 73A; and a second guide member 73B guiding and supporting the other end part of the coil spring when the coil spring E is assembled. In the second guide member 73B, a second lock part 172 is formed in a notch shape. The other end part of the coil spring is locked by a second lock part 172. Thereby, the other end part is guided away from the radially outside and the one end part E1. A guide face, to serve as a top face for the second guide part 73B in the axial direction, is formed in the shape of a bevel.

Inventors:
KOBAYASHI YUMA
Application Number:
JP2014034069A
Publication Date:
September 03, 2015
Filing Date:
February 25, 2014
Export Citation:
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Assignee:
ASMO CO LTD
International Classes:
H02K13/00; H01R39/40; H01R39/44
Domestic Patent References:
JP2006320152A2006-11-24
JP2009033956A2009-02-12
JPH11312621A1999-11-09
Attorney, Agent or Firm:
秋山 敦
城田 百合子