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:
Sep. 30, 1980
Filed:
May. 26, 1978
Applicant:
Inventors:
Marvin Stark, Houston, TX (US);
Ronald G Schultz, Country Club Hills, IL (US);
Robert A Spychalski, Michigan City, IN (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ; B61D / ; B61D / ; B61D / ;
U.S. Cl.
CPC ...
105250 ; 105240 ; 105251 ; 105310 ;
Abstract
An apparatus for pivoting and locking a door on the bottom of a rail hopper car includes a locking mechanism for locking the door when closed and a lever mechanism for pivoting the door between closed and open positions. The locking mechanism and lever mechanism are separate but are operated by a single sliding operating linkage on the bottom of the car.