AUTOMATIC RIDGE-REGULATING UNIT OF HAULING TYPE WORKING VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a ridge-regulating unit not causing straying of a working vehicle even when both left and right ridge-regulating sensors are actuated as ON. SOLUTION: This automatic ridge-regulating unit having a left and right pair of ridge-regulating sensors and a direction-changing device of the working vehicle, and actuating the direction-changing device with an actuation signal by either one of the ridge-regulating sensors via a controlling device is provided by installing a cancel-controlling function in the above controlling device for stopping the activity of the direction-changing device when both of the ridge- regulating sensors dispatch actuation signals.