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:
Nov. 11, 1980
Filed:
Apr. 18, 1979
Applicant:
Inventors:
Keith J Hallam, Merrillville, IN (US);
Dennis B Marsden, Griffith, IN (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213 43 ; 213-8 ; 213 20 ;
Abstract
A coupler arrangement for rapid transit passenger cars includes a self-centering coupler shank having limited horizontal and vertical swinging movement about a spherical bearing structure. The arrangement includes first and second shock absorbing mechanisms sequentially effective. A pin type coupler includes a locking arrangement on the coupler structure engageable with the coupler pin.