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:
Jul. 13, 1999
Filed:
May. 02, 1997
Applicant:
Inventors:
V Terrey Hawthorne, Lisle, IL (US);
Charles Moehling, Arlington Heights, IL (US);
Charles P Spencer, Staunton, IL (US);
Terry L Pitchford, St. Louis, MO (US);
Assignee:
AMSTED Industries Incorporated, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B61F / ;
U.S. Cl.
CPC ...
105207 ; 10519705 ;
Abstract
A railway truck assembly has an arrangement for constraining the free travel clearance between the mated bolster and side frame at the side frame window, and more particularly for reducing or eliminating the clearance or separation gap between the bolster lands and the side frame column wall at the outer edges of the bolster lands and the column wall for reduction of truck warping during service.