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:
Dec. 28, 1993
Filed:
Jan. 29, 1993
Applicant:
Inventor:
Anthony L Lucas, McPherson, KS (US);
Assignee:
Keystone Railway Equipment Company, Mechanicsburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
1053081 ; 1052823 ;
Abstract
The invention is a resilient lock for a gear drive railway car hopper gate. The lock prevents undesired opening of the gate and spilling of the contents of a railway hopper car. A resilient locking member is located between teeth of one gear and engages teeth of another gear to prevent accidental opening.