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:
Oct. 17, 1978
Filed:
Aug. 12, 1977
Applicant:
Inventors:
Roy W Miller, Highland, IN (US);
Ernest J Nagy, Munster, IN (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
214 63 ;
Abstract
A trackside door closing arrangement for closing the swinging doors of a railway hopper car includes a pair of pneumatic tires and wheels mounted on a pivot arm. The tires are interconnected for rotation in concert and during engagement with the doors, swing them inwardly to a closed position.