Sonic earth moving machine

Claim 1

THE COMBINATION COMPRISING: AN EARTH MOVING MACHINE OR THE LIKE CONFIGURED TO AFFORD AN EARTH FLOW REGION; AN EARTH RECEIVING AND CARRYING SHELL IN SAID MACHINE HAVING A BOTTOM WALL PROVIDED WITH A FORWARD ENTRANCE EDGE, AND A BACK WALL; A SONIC RESONANT ELASTICALLY VIBRATOR MEMBER IN THE FORM OF A HORIZONTAL ELASTIC BAR EXTENDING TRANSVERSELY OF AND GENERALLY ADJACENT THE ENTRANCE EDGE OF SAID BOTTOM WALL OF SAID SHELL; MOUNTING MEANS FOR SAID BAR ON SAID MACHINE IN THE REGION OF A NODAL POINT OF SAID BAR FOR A MODE OF LATERAL RESONANT STANDING WAVE VIBRATION OF SAID BAR, WHEREIN SAID BAR VIBRATES IN A PATTERN OF NODES AND ANTINODES; A SONIC VIBRATION GENERATOR OPERABLE AT THE FREQUENCY OF SAID STANDING WAVE VIBRATION OF SAID BAR ACOUSTICALLY COUPLED TO SAID BAR AT AN ANTINODE OF SAID STANDING WAVE VIBRATION FOR SETTING SAID BAR INTO SAID RESONANT VIBRATION; AND SAID BAR HAVING A SURFACE COUPLED TO EARTH MATERIAL FLOWING THROUGH SAID EARTH FLOW REGION IN A PATH EXTENDING OVER SAID BAR AND ENTRANCE EDGE AND ADAPTED BY VIRTUE OF ITS VIBRATION TO TRANSMIT VIBRATION INTO SAID DIRT TRAVERSING SAID PATH.