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:
Feb. 16, 1993
Filed:
Jul. 11, 1991
Applicant:
Inventors:
Michael B McMillion, Morgantown, WV (US);
Thomas R Miller, Waynesburg, PA (US);
Terry L Koontz, Bridgeport, WV (US);
Assignee:
Consolidation Coal Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ; B65G / ; B60D / ;
U.S. Cl.
CPC ...
33 / ; 33755 ; 33534 ; 33548 ; 198301 ; 299-105 ;
Abstract
The method and apparatus for controlling the displacement of a steerable driven trailing machine with respect to a leading machine by measuring the separation between the machines and inputting such measurement to the trailing machine drive control, and measuring the angular disposition of the trailing machine and inputting the steering control of the trailing machine.