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:
Jan. 11, 1983
Filed:
Feb. 06, 1980
Applicant:
Inventor:
Takaichi Mabuchi, Matsudo, JP;
Assignee:
Mabuchi Motor Co. Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310248 ; 310249 ; 310244 ;
Abstract
A small electric motor having brushes comprising brush bases supported by brush supporting portions provided on a motor casing and bent portions which are formed by bending a part of each brush so that commutator slide portions of the brushes come in elastic contact directly with a commutator at a predetermined angle, and characterized in that rigidity reinforcing portions for giving rigidity to the bent portions are provided and/or auxiliary supporting portions for supporting the lower sides of the brush bases at the bent portions are provided on the brush supports.