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:
Feb. 10, 1981
Filed:
Jun. 05, 1978
Applicant:
Inventors:
Katsuya Masuda, Tokyo, JP;
Asao Saitou, Tokorozawa, JP;
Assignee:
Citizen Watch Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310156 ; 310 44 ; 310 / ;
Abstract
A rotor assembly for a stepping motor, in which a protecting member fixedly is mounted on a rotor shaft and including a hub portion extending coaxially with the rotor shaft, and at least one face portion radially outwardly extending from said hub portion, and a rotor magnet having an inner bore and an outer periphery formed by etching a magnetic body of an intermetallic compound is mounted on the protecting member.