Patent ID: 8424972
Filing Date: 2013-04-23
Classification: E01C

Abstract:
1. A self-propelling road milling machine, comprising: a machine frame; at least two front ground engaging supports, and at least one rear ground engaging support, with reference to a direction of travel; front and rear lifting columns supporting the frame from the ground engaging supports; a milling roller supported from the frame for treatment of a ground surface; first and second height adjustable side plates arranged on opposite sides of the milling roller; a height adjustable stripping plate arranged behind the milling roller and operable to be lowered, during operation, into a milling track generated by the milling roller; at least one ground engaging sensor; and a controller operably associated with the at least one ground engaging sensor, the controller being configured to automatically control a lifting condition of at least one of the lifting columns to establish a parallel orientation of the machine frame relative to the ground surface in the direction of travel.