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:
Jan. 14, 1992
Filed:
Dec. 28, 1989
Applicant:
Inventors:
John J Steffen, Darien, IL (US);
Russell G Altherr, Munster, IN (US);
Assignee:
Amsted Industries Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213 / ; 213 69 ; 213 / ;
Abstract
A slackless railcar connection system includes a gravity wedge shim that has an extension means extending upwardly from the broad edge of the shim through an opening in a railcar center sill. A reference post may also be located adjacent the opening to visibly indicate the degree of wear of the wedge.