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:
Mar. 26, 2024
Filed:
Jun. 04, 2021
Applicant:
Minebea Mitsumi Inc., Nagano, JP;
Inventors:
Assignee:
Minebea Mitsumi Inc., Kitasaku-gun, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01R 39/38 (2006.01); H02K 5/14 (2006.01); H02K 5/22 (2006.01); H02K 13/10 (2006.01);
U.S. Cl.
CPC ...
H01R 39/38 (2013.01); H02K 5/145 (2013.01); H02K 5/225 (2013.01); H02K 13/10 (2013.01);
Abstract
A motor includes a frame having an outer diameter of 10 millimeters or less and an inner surface. The motor also includes an annular magnet attached to the inner surface of the frame, a bracket provided at the frame, and a columnar brush formed of carbon and having an outer peripheral surface. In addition, the motor includes a commutator contacting the outer peripheral surface of the brush, and an elastic member supporting the brush at the bracket. A part of the elastic member is disposed inside of the columnar brush.