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:
Dec. 13, 1977
Filed:
Jul. 19, 1976
Applicant:
Inventor:
Franklin P Adler, Michigan City, IN (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
214 58 ; 1052 / ;
Abstract
A bottom dump railway car includes gravity biased gates which are moved outwardly to an open position. Each gate includes an outwardly projecting arm having a cam follower mounted thereon. Track side cams are engaged by the cam followers which engage cam surfaces extending diagonally upwardly and arcuately outwardly so as the car travels along the cams the doors are moved outwardly to open positions.