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. 12, 2004
Filed:
Mar. 04, 2003
Applicant:
Inventors:
Toshio Yamamoto, Shizuoka-ken, JP;
Keiichi Uemura, Aichi-ken, JP;
Tomoyuki Kikuta, Aichi-ken, JP;
Masahiko Komoda, Aichi-ken, JP;
Masayuki Kuwano, Shizuoka-ken, JP;
Hideki Toida, Shizuoka-ken, JP;
Assignee:
ASMO Co., Ltd., Kosai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/22 ;
U.S. Cl.
CPC ...
H02K 1/22 ;
Abstract
An armature includes a rotary shaft, a core, and a coupling member. The core is formed by using magnetic metal powder and has a tooth. A wire is wound about the tooth. The coupling member has a ductility that is higher than the ductility of the core. The coupling member is located between the core and the rotary shaft. The rotary shaft is press fitted in the coupling member, and the coupling member is press fitted in the core.