Earthworking machine has tools mounted on frame forming part of parallelogram of levers, sensor mounted on frame detecting depth of cut of tools and control unit using data from this adjusting their height

摘要

The earthworking machine has tools (5) mounted on a frame (11) forming part of a parallelogram of levers (12). A sensor (14) mounted on the frame detects the depth of cut of the tools and a control unit (15) using data from this adjusts their height using the lever system.