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:
Mar. 24, 1992
Filed:
Mar. 22, 1991
Applicant:
Inventor:
Charles P Spencer, Staunton, IL (US);
Assignee:
Amsted Industries Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213 50 ; 213 56 ;
Abstract
An improved articulated railcar connection and wedge shim wherein the wedge shim has a plurality of steps formed in the sides thereof upwardly from the narrow wedge bottom to present successive lifting surfaces accessible from inspection portals formed in the connection.