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:
Mar. 27, 1984
Filed:
Jul. 06, 1981
Applicant:
Inventor:
Gregory Johnson, Virgie, KY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198524 ;
Abstract
A conveyor system for use in coal mines and the like for automatically sensing by means of a gob switch positioned above the conveyor belt when a build-up of coal occurs because of an obstruction on the belt, and automatically activating a reciprocable operable ram which pushes the obstacle from the conveyor belt. The ram is electrically operated by means of a drive chain and includes a reversing switch for reversing the direction of ram movement at the point of furthest ram extension. The obstruction removing apparatus may be positioned to push the obstruction in a direction parallel to or transversely of the direction of movement of the second belt.