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. 25, 1980
Filed:
Oct. 12, 1977
Applicant:
Inventor:
Takaichi Mabuchi, Matsudo, JP;
Assignee:
Mabuchi Motor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310239 ;
Abstract
A brush device for a small electric motor wherein a brush integrally constructed of a commutator slide, a brush base and a terminal extending from the brush base is inserted into a terminal hole provided on a motor case, and sharp burrs on the tip of a cut and raised piece provided on the brush base is caused to cut into the inside wall surface of the terminal hole so that the brush is securely fixed to the motor case.