Sieling

Claim 1

IN AN AUTOMATIC BASCULE PLOW SO CONSTRUCTED THAT IT HAS THE TENDENCY OF DEVIATING FROM THE FURROW PREVIOUSLY PLOWED AND THIS DEVIATION IS COUNTERACTED BY A WHEEL GUIDED IN THE FURROW FINISHED LAST, AND INCLUDING A MOBILE CHASSIS WHICH AT EACH OF ITS FORWARD AND REAR ENDS HAS ONE OR MORE PLOW SHARES ALTERNATELY IN OPERATION, A PLOW DRIVING MECHANISM, AND MEANS FOR REVERSING THE DIRECTION OF DRIVING THE PLOW WHEN REACHING THE END OF A FURROW, THE IMPROVEMENTS COMPRISING A GUIDE WHEEL LYING IN THE DIRECTION OF MOVEMENT OF THE PLOW AND FREELY MOVABLE IN THE VERTICAL DIRECTION RELATIVE TO THE PLOW CHASSIS FOR PREVENTING DISPLACEMENT OF THE PLOW UNDER SAID DEVIATION TENDENCY, EACH PLOW SHARE AT THE FORWARD AND AT THE REAR END OF THE PLOW BEING CARRIED BY AN ARM ARTICULATED TO A PLOW BEAM PIVOTALLY MOUNTED ON THE PLOW CHASSIS A SERVO-MOTOR FOR ADJUSTING THE POSITION OF SAID ARM RELATIVE TO THE BEAM, SAID SERVO-MOTOR BEING ACTUATED BY A CONTROL DEVICE THROUGH A ROD CONNECTED THERETO, SAID ROD AT ITS FREE END BEING ADJUSTABLY ATTACHED TO A SECOND BEAM EXTENDING IN THE LONGITUDINAL DIRECTION OF THE PLOW AT A SPECIFIC DISTANCE FROM SAID PLOW BEAM AND PIVOTALLY MOUNTED ON THE PLOW CHASSIS, AND SAID SECOND BEAM AT ITS FREE END BEING PROVIDED WITH A ROTATABLY JOURNALLED VERTICAL DISC, WHEREBY THE PLOW SHARE FOLLOWS THE LATERAL DEFLECTIONS OF SAID DISC.