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:
Aug. 09, 1983
Filed:
Aug. 14, 1981
Applicant:
Inventors:
Joseph K Kraft, Parsippany, NJ (US);
George A Kappenhagen, Stroud Township, Monroe County, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
3318 / ; 73-9 ; 198502 ; 198856 ;
Abstract
A method of, and apparatus, for determining the direction of force in a moving escalator having a plurality of drive units coupled to an endless, articulated belt. The direction of force, and the duration of such force in a direction which indicates compression of the belt at each drive unit, is used to align and properly space the drive units for optimal load sharing.