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:
Apr. 28, 1981
Filed:
Mar. 03, 1978
Applicant:
Inventor:
Robert L Wahlstedt, Roseville, MN (US);
Assignee:
Reell Precision Manufacturing Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
192 35 ; 192 / ; 192 / ;
Abstract
Spring clutch is actuated by magnetic field applied radially between non-rotatable source and rotative clutch hub and spring-contracting ring.