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. 01, 1991
Filed:
Aug. 08, 1990
Applicant:
Inventors:
Mineo Yamaguchi, Kosai, JP;
Tetsuro Sato, Kosai, JP;
Assignee:
Asmo Co., Ltd., Kosai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310239 ; 310 91 ; 310242 ; 310244 ; 310246 ;
Abstract
The present invention offers a retaining structure of a brush spring of an electric motor, whereby a brush spring is allowed to be mounted in a normal direction only, thus avoiding abrasion of a brush or unexpected halt of the electric motor.