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:
Dec. 14, 1993
Filed:
Jul. 22, 1992
Mabuchi Motor Co., Ltd., Chiba, JP;
Abstract
A miniature motor including a case made of a metallic material and formed into a bottomed hollow cylindrical shape and having a permanent magnet fixedly fitted to the inner circumferential surface thereof, a rotor comprising an armature and a commutator, a case cap fitted to an open end of the case and having brushes making sliding contact with the commutator, and terminals electrically connected to the brushes; the rotor being rotatably supported by bearings provided on the bottom of the case and the case cap; in which the input terminals are mounted on the case cap made of a resin material and fixedly fitted to the case cap by means of lanced and raised retainer pieces formed on the input terminals near the outer end face of the case cap is disclosed. Also disclosed is a method of making miniature motors comprising a process of press-fitting input terminals into a case cap, and a process of forming lanced and raised retainer pieces in the vicinity of the outer end face of the case cap.