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Patent Searching and Data


Title:
ABRASION NOTIFICATION DEVICE FOR BRUSH
Document Type and Number:
Japanese Patent JP2015220914
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an abrasion notification device that detects and notifies of abrasion of a brush of a motor.SOLUTION: An abrasion notification device has a configuration for acting on energization force on a brush 6 by being contacted with an arm part 12A of a torsion spring 12 made of a conductor, and has a detection mechanism As comprising a rod part 16 made of a conductor and that is contacted with the arm part 12A with abrasion of the brush 6 to maintain a conduction state with the arm part 12A, and a spring part that energizes the rod part 16 to the arm part 12A side in a state connected with the rod part 16. The abrasion notification device has a notification part 21 that performs notification in a case where the arm part 12A and the rod part 16 are contacted with each other and reach a conduction state.

Inventors:
TAKAGI HIROYUKI
Application Number:
JP2014104369A
Publication Date:
December 07, 2015
Filing Date:
May 20, 2014
Export Citation:
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Assignee:
AISIN SEIKI CO LTD
International Classes:
H02K13/00; H01R39/58; H02K11/00
Domestic Patent References:
JP2006026798A2006-02-02
JP2006026798A2006-02-02
Foreign References:
US5731650A1998-03-24
US5731650A1998-03-24
Attorney, Agent or Firm:
特許業務法人R&C