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. 29, 1993
Filed:
Oct. 02, 1992
Applicant:
Inventors:
Daniel W Mayer, St. Paul, MN (US);
Roger C Oestreich, River Falls, WI (US);
Assignee:
Modern Controls, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
324688 ; 324699 ; 324701 ; 324687 ; 73159 ;
Abstract
A rotatable capacitance sensor for detecting film thickness of a moving film web, the rotatable sensor having a capacitive element arranged to contact the moving web film, the capacitive element electrically connected to projecting shaft ends of the rotatable sensor, resilient conductors urged against the respective shaft ends, and an electrical shield overlaying the resilient conductors and the rotatable shaft, to electrically isolate shaft wobble from the surrounding housing.