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. 12, 1980
Filed:
Jan. 24, 1977
Yasuo Suzuki, Shijonawate, JP;
Tosihisa Hirai, Shijonawate, JP;
Abstract
A stator of uni-directional self starting synchronous motor of which magnetic pole teeth formed flatly integral with a yoke for opposing a flat disk shape rotor having axial rotary shaft. The yoke is of an elongated plate having adjacent an end the pole teeth comprising radially alternately extending inner and outer teeth formed as punched and joined through a connecting part, the plate is bent into a substantially U shape in section, a core of a magnetic material having an axial hole for passing therethrough the shaft of rotor is disposed between opposing both end parts of the yoke coaxially with the teeth to provide main magnetic path, and a coil wound on a bobbin is disposed around the core.