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:
Jun. 07, 1983
Filed:
Apr. 10, 1981
Applicant:
Inventors:
Sheldon W Mandel, Galesburg, IL (US);
Kenneth E Davis, Chicago, IL (US);
Assignee:
Magic Chef, Inc., Cleveland, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ; H01H / ;
U.S. Cl.
CPC ...
335272 ; 335 79 ; 335230 ;
Abstract
A magnetic rotary activator has a permanent magnet mounted for rotation about a fixed axis and a core member having an energizing coil with a current reversing mechanism. The core member has at least three poles arranged to be reversed in polarity by reversing current flow through the coil. The poles are arranged to rotate the permanent magnet through a predetermined angle upon reversal of current flow.