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. 20, 1981
Filed:
Feb. 25, 1980
Applicant:
Inventors:
Willis H Knippel, Palos Park, IL (US);
Ray Ferris, Thornton, IL (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ; B61D / ; B61D / ;
U.S. Cl.
CPC ...
1053 / ; 1053 / ;
Abstract
A door locking mechanism for a railway hopper car includes a rotatable latch or rotor member engaging a keeper on the door for releasably locking the same. The latch member includes abutment faces which are engaged in locking position by a spring loaded lever. The lever includes a flat surface engaging a rounded cam surface on the rotor for positioning the same in a release position.