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. 09, 2004
Filed:
Nov. 21, 2001
Rikio Yoshikawa, Numazu, JP;
Katsuhiro Mochizuki, Numazu, JP;
Kokusan Denki Co., Ltd., Shizuoka-ken, JP;
Abstract
An outer rotor type brushless motor comprising an outer rotor having permanent magnets fixed onto an inner periphery of a rotor yoke, a stator including a stator core having a plural of magnetic pole portions protruded on an outer periphery thereof and coils wound on the magnetic pole portions, a cylindrical boss disposed on an inner periphery of an annular portion of the stator core, a rotational shaft extending along an axis of the boss and rotationally supported on the boss through a bearing with a leading end of the shaft having a center portion of the rotor yoke fixed thereto and a mounting plate fixed onto an outer periphery of the boss wherein the boss is formed of resin mold and extending through a hole in the mounting plate and fixed thereto and the annular portion of the stator core is mounted on and fixed to a rising portion on the inner periphery of the mounting plate.