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:
Mar. 06, 1990
Filed:
Aug. 26, 1985
Applicant:
Inventors:
Joseph A Celeste, Trumansburg, NY (US);
Gary A Wojdyla, Ithaca, NY (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 / ;
Abstract
A pair of mating magnetic rings are arranged in a pattern wherein the magnetic fields of the rings act on each other in a manner so that when one ring is rotated, the other ring follows in rotating fashion until a predetermined torque level is reached, after which the other ring will slip in reaction to the opposing field.