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:
Nov. 12, 1996
Filed:
Oct. 17, 1994
Applicant:
Inventors:
John D Oliver, Flossmoor, IL (US);
Roger M Whitson, Wilsonville, AL (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G01B / ; G01B / ; G01M / ;
U.S. Cl.
CPC ...
738658 ; 738665 ; 356385 ; 356398 ; 32420714 ; 32420715 ; 32420722 ; 32420723 ;
Abstract
The present invention provides a non-contact test apparatus and method for evaluating an as-manufactured railway wheel, which apparatus has a plurality of non-contact sensors positionable in proximity to various wheel locations and coupled to a controller for communication of a plurality of sensed dimensional parametric signals for comparison to specified wheel reference parameters in the controller to thereby simultaneously evaluate several dimensional parameters and characteristics for qualification of a railway wheel satisfying AAR specifications for railway wheels.