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:
May. 11, 1982
Filed:
Aug. 20, 1979
Applicant:
Inventor:
Franklin P Adler, Michigan City, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
414388 ; 1052412 ;
Abstract
A hopper car discharge gate operating mechanism providing a toggle or over center linkage mechanism with one link having a roller extending outwardly of the hopper vehicle and engageable with a trackside operating cam for opening and closing the hopper gates. The roller is mounted on a support arm that is carried by a mechanism link and held with a locking pin in such a manner to allow the locking pin to break and release the arm in the event the doors are jammed closed. The operating mechanism also includes a biasing spring for automatically returning the doors to a closed position after the hoppers are emptied.