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:
Jan. 08, 2002
Filed:
Jun. 05, 2000
Applicant:
Inventor:
Marcel A. Turner, Moranbah, AU;
Assignee:
BHP Coal Pty. Ltd., Queensland, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G 4/300 ; E21C 3/500 ;
U.S. Cl.
CPC ...
B65G 4/300 ; E21C 3/500 ;
Abstract
An overburden removal system is provided which includes a bucketwheel ( ) which cuts overburden from a wall ( ) of the mine and discharges the overburden via a discharge boom ( ) onto a hopper car ( ) which travels on rails ( ). The hopper car ( ) delivers the overburden onto a conveyor belt ( ). The system is characterized by a sensor ( ) mounted on the hopper car ( ) to detect the lateral position of the conveyor belt ( ) relative to the hopper car ( ) and a control device responsive to the extent of lateral drift for controlling the position of delivery of overburden into the hopper car.