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.
Patent No.:
Date of Patent:
Oct. 12, 2021
Filed:
Nov. 20, 2018
Applicant:
Tris Inc., Matsusaka, JP;
Inventor:
Kenji Kawamata, Mie, JP;
Assignee:
TRIS INC., Mie, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R 39/26 (2006.01); H02K 13/10 (2006.01); H01R 39/22 (2006.01);
U.S. Cl.
CPC ...
H02K 13/10 (2013.01); H01R 39/22 (2013.01); H01R 2201/10 (2013.01);
Abstract
A brush for a motor for electrical equipment in an automobile includes a main brush portion containing carbon and an abrasive having a Vickers hardness higher than or equal to 10 GPa and lower than or equal to 14 GPa. The sliding noise of the brush is reduced in the brush for a motor for electrical equipment in an automobile.