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. 05, 2008
Filed:
Jun. 23, 2005
Applicants:
Arnold R. Law, Garland, TX (US);
Ajay Kumar, Garland, TX (US);
Inventors:
Arnold R. Law, Garland, TX (US);
Ajay Kumar, Garland, TX (US);
Assignee:
Atlas Copco Drilling Solutions, Garland, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60G 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drilling machine includes a frame, two tracks, and a plurality of yokes interconnecting the frame and the tracks. Each yoke is pivotable with respect to the frame by the extension and retraction of a hydraulic cylinder. Each of a plurality of sensors senses a parameter indicative of force and generates a signal representing the force. A controller receives the force signals, and generates control signals to extend or retract the hydraulic cylinders when an associated force deviation for a hydraulic cylinder exceeds a predetermined magnitude.