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:
Nov. 08, 1994
Filed:
Jan. 10, 1994
Mabuchi Motor Co., Ltd., Matsudo, JP;
Abstract
A miniature motor comprising a housing made of a metallic material, formed into a bottomed hollow tubular shape and having a permanent magnet fixedly fitted to the inner circumferential surface thereof, a rotor consisting of an armature facing the permanent magnet and a commutator, an end cap engaged with an open end of the housing, and having brushes making sliding contact with the commutator and a pair of terminals electrically connected to the brushes; the rotor being rotatably supported by bearings provided on the bottom part of the housing and the end cap, in which a flat groove including a plane parallel to the axial line of the motor and opening toward the housing is provided on the end cap; the terminals being disposed to face the side of the groove, a chip laminated capacitor and a spring made of an electrically conductive material and formed into a substantially U shape in planar projection being disposed in the groove so as to come into contact with each other and also with the terminals.