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. 02, 1994
Filed:
Mar. 23, 1993
Applicant:
Inventors:
C Dale Christie, Naperville, IL (US);
Michael T Gallagher, Highland Park, IL (US);
Michael J Hendricksen, Prospect Heights, IL (US);
John D Oliver, Flossmoor, IL (US);
Mark A Polzin, Bartlett, IL (US);
Assignee:
AMSTED Industries Incorporated, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B60B / ;
U.S. Cl.
CPC ...
295 21 ; 295 24 ;
Abstract
A steel railway wheel with reduced axial flange deflection and reduced, thermally-induced, residual-tensile stress in the wheel rim, has a clearly defined relationship among the plate angle, the maximum depth of curvature of the wheel plate segment, the location of the maximum depth of curvature, the wheel hub and the rim, which relationship is provided for plate segments both concave and convex with respect to the wheel outboard surface.