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. 20, 2001
Filed:
Oct. 29, 1999
Mark Ollis, Pittsburgh, PA (US);
Steven John Scheding, Mortdale, NSW, 2223, AU;
Christopher C. Fromme, Pittsburgh, PA (US);
Jorgen Pederson, Pittsburgh, PA (US);
John Bares, Wexford, PA (US);
Herman Herman, Pittsburgh, PA (US);
Anthony J. Stentz, Pittsburgh, PA (US);
David K. Herdle, Cranberry Twp., PA (US);
Frank Higgins, Cranberry Twp., PA (US);
Bryan G. Campbell, Pittsburgh, PA (US);
Other;
Abstract
A mining machine comprising a vehicle body having forward and rearward ends, the vehicle body being movable along a mine floor, a cutter head mounted on the forward end of the vehicle body, and a position sensing and control apparatus including first and second generally vertical, generally parallel surfaces on the vehicle body, an off-board light source emitting a light beam that strikes the surfaces, an imaging device for imaging both of the plates in a single image, and a computer receiving the single image from the camera, the computer using the single image to determine at least one of the roll, yaw and lateral offset of the machine.