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:
Jun. 16, 2026
Filed:
Jun. 22, 2023
Applicant:
Mabuchi Motor Co., Ltd., Chiba, JP;
Inventor:
Yasuhiro Hashimoto, Chiba, JP;
Assignee:
MABUCHI MOTOR CO., LTD., Chiba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 13/00 (2006.01);
U.S. Cl.
CPC ...
H02K 13/006 (2013.01);
Abstract
Regarding a contact structure and a brush motor, wear resistance of a commutator and a brush and an insulating property of a slit is improved. The disclosed contact structure includes a commutator formed of phosphor bronze and containing at least tin ranging from 1.0% or more to 9.0% or less by mass; and a brush formed of copper carbon and provided to come into contact with the commutator.
Hashimoto, Yasuhiro. (2026). Contact structure and brush motor (U.S. Patent No. 12658772). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12658772
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile