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. 27, 1976
Filed:
Oct. 15, 1974
Applicant:
Inventor:
Franklin P Adler, Michigan City, IN (US);
Assignee:
Pullman Transport Leasing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
105377 ; 16 47 ; 52 45 ; 220 57 ; 292175 ;
Abstract
A hopper car roof is provided with a plurality of hatch covers positioned over an elongated trough through which materials are loaded into the car. The hatch covers are locked over the trough by means of a hatch cover locking device which includes a hinge strap adapted to engage adjacent end portions of the trough hatch covers with the strap having an outwardly projecting tab engaged by a locking bar which is tightly held in a closed locking arrangement by means of an improved foot operated latch secured to the hopper roof.