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:
Jul. 24, 1979
Filed:
Apr. 28, 1977
Applicant:
Inventors:
Katsumi Kawaki, Kawasaki, JP;
Shinya Inabe, Kawasaki, JP;
Assignee:
Niles Parts Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
310 / ; 310163 ; 310164 ; 58 2 / ;
Abstract
A compact stepping motor for an electronic clock which features high stability in the direction of the motor rotation and small electric power consumption is provided with a rotor and a stator that surrounds the rotor and includes portions having a recess formed therein and two pairs of projecting magnetic pole pieces positioned asymmetrically relative to the end of their respective recesses.