Vibratory compactor

Claim 1

THE COMBINATION COMPRISING A PRIME MOVER HAVING DRIVING MEANS FOR DRIVINGLY ENGAGING THE EARTH, AND APPARATUS FOR SUPPORTING A PORTION OF THE PRIME MOVER WEIGHT WHILE VIBRATORILY COMPACTING EARTH, SUCH APPARATUS FURTHER COMPRISING A CYLINDER FOR ROLLABLY CCONTACTING THE EARTH, SELECTIVELY CONTROLLABLE VIBRATING MEANS FOR VIBRATING SAID CYLINDER INTO AND OUT OF CONTACT WITH THE EARTH, A SUPPORT CONNECTING SAID VIBRATING MEANS TO SAID CYLINDER, AND A FRAME CONNECTING SAID SUPPORT TO SAID PRIME MOVER FOR RESTRAINIG SAID CYLINDER TO VIBRATORILY COMPACT AND TO ROLLABLY ENGAGE THE EARTH WHILE THE COMBINATION ADVANCES THEREOVER RESPONSIVE TO SAID DRIVING MEANS AND WHILE SUPPORTING AT LEAST A PORTION OF THE PRIME MOVER WEIGHT; SAID FRAME INCLUDING AN ANCHOR FRAME ASSEMBLY RESILIENTLY CONNECTED TO SAID SUPPORT AND CONNECTED TO SAID PRIME MOVER ABOUT A VERTICAL PIVOT, STEERING MEANS CONNECTED BETWEEN SAID PRIME MOVER AND SAID ANCHOR FRAME ASSEMBLY FOR SELECTIVELY POSITIONING SAID CYLINDER ABOUT SAID PIVOT TO MOVE IN A PREDETERMINED PATH, SAID SELECTIVELY CONTROLLABLE VIBRATING MEANS EXERTING A FORCE, CAUSING SAID CYLINDER TO LIFT FROM A POSITION WHERE IT SUPPORTS A PORTION OF PRIME MOVER WEIGHT, TO THEREBY MAINTAIN SAID COMBINATION IN A SUPPORTED POSITION WHILE SAID CYLINDER IS OUT OF CONTACT WITH THE EARTH.