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:
Aug. 25, 1987
Filed:
Feb. 08, 1985
Applicant:
Inventors:
Johannes Konig, Munich, DE;
Wilhelm Kurfurst, Munich, DE;
Hans-Gunther Willers, Karlsfeld, DE;
Martin Reuter, Munich, DE;
Assignee:
Gewerkschaft Eisenhutte Westfalia, Kunen, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356153 ; 356-5 ; 356375 ; 356400 ; 299-1 ;
Abstract
A system serves to establish the spatial positions of a cutter head of a tunnel driving machine with precision and monitors and/or controls this position automatically. The system uses a computer-controlled laser beam scanning technique to locate the three-dimensional positions of mirror devices in successive measuring stations spaced along the tunnel.