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.

Date of Patent:
Feb. 20, 2001

Filed:

Oct. 06, 1998
Applicant:
Inventors:

Stephen W. Smith, Dallas, TX (US);

John W. Coulborn, Fort Worth, TX (US);

Assignee:

TRN Business Trust, Dallas, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61F 1/500 ;
U.S. Cl.
CPC ...
B61F 1/500 ;
Abstract

An improved railway car axle having a shaft body with a pair of wheel seats and a pair of journals respectively disposed adjacent to opposite ends of the axle. A dust guard seat may be located between each wheel seat and the associated journal. Also, fillets are preferably provided at transitions between the dust guard seat and the wheel seat and the dust guard seat and the journal respectively. The journals will preferably be generally cylindrical and may have a nominal outside diameter of approximately six and one half inches and a nominal length of approximately eight and three fourth inches. The dust guard seats separating the respective journals and wheel seats may have a length of approximately three and one half inches. Finally, the wheel seats preferably have a nominal outside diameter of nine and one fourth inches.


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