Soil processing machine

Claim 1

IN A MACHINE FOR ROAD BUILDING, A FRAME MOVABLE OVER A GROUND SURFACE, A ROTOR ROTATABLE ON A GENERALLY HORIZONTAL AXIS TRANSVERSE TO SAID FRAME AND PROVIDED WITH SOIL-PENETRATING MIXING PROJECTIONS, EMASN FOR YIELDABLY SUPPORTING SAID ROTOR FROM SAID FRAME, POWER MEANS DRIVING SAID ROTOR INCLUDING A GEAR HOUSING ADJACENT AN END OF SAID ROTOR AND HAVING THEREIN DRIVE GEARING INCLUDING AN OUTPUT SHAFT JOURNALLED IN SAID HOUSING AND COAXIALLY COUPLED TO SAID ROTOR, SAID HOUSING BEING ANGULARLY DISPLACEABLE ABOUT THE COMMON AXIS OF SAID OUTPUT SHAFT AND SAID ROTOR, SAID FRAME MEANS INCLUDING A POWER UNIT CARRIED BY SAID FRAME AND A DRIVING CONNECTION BETWEEN SAID POWER UNIT AND SAID GEAR HOUSING, AND RESILIENT RESTRAINING MEANS OPERATIVELY CONNECTING SAID FRAME AND SAID HOUSING TO LIMIT THE ANGULAR DISPLACEMENT OF SAID HOUSING ABOUT THE ROTOR AXIS FOR THEREBY ABSORBING SHOCKS IMPARTED TO SAID ROTOR HAVING THE ROTATION OF SAID ROTOR.