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:
Jun. 29, 2021
Filed:
Oct. 30, 2019
Applicant:
Wirtgen Gmbh, Windhagen, DE;
Inventor:
Sebastian Winkels, Windeck, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
E01C 23/00 (2006.01); E01C 23/088 (2006.01);
U.S. Cl.
CPC ...
E01C 23/088 (2013.01);
Abstract
A self-propelled road milling machine includes a plurality of height sensors and a controller configured to determine a cross slope of the roadway being milled. Wherein in a first leveling mode at least two sensors are longitudinally aligned and laterally spaced on one side of the milling machine, closet to the center of the road. The controller using sensor signals to adjust the cross slope of the milling drum to be parallel to the cross slope of the roadway adjacent the milling machine. Wherein in a second leveling mode the sensors are on opposite sides of the milling drum.