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:
Aug. 07, 1979
Filed:
Sep. 06, 1977
Applicant:
Inventor:
Thomas Lindauer, Schererville, IN (US);
Assignee:
Pullman Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ; B61D / ; B61D / ; B61D / ;
U.S. Cl.
CPC ...
105313 ; 105290 ; 105296 ; 105304 ; 105310 ;
Abstract
Both an operating link and a locking hook member are secured on a shaft rotatably mounted on a hopper door. The hook member cooperates with a locking lug fixed relative to the hopper for securing the door closed. The operating link is both pivoted and pushed or pulled by a crank actuated by retainable handles for operating the hook member and opening and closing the door.