Torque spring for vehicle

Claim 1

IN AN AXLE ASSEMBLY FOR SUPPORTING A WHEELED VEHICLE BODY, A HANGER HOUSING ADAPTED FOR MOUNTING ON THE BOTTOM OF THE VEHICLE BODY, SAID HOUSING DEFINING A CHAMBER, RESILIENT SPRING MEANS WITHIN SAID CHAMBER, SAID SPRING MEANS HAVING FIRST AND SECOND COILED PORTIONS AND AN INTERMEDIATE PORTION JOINING SAID COILED PORTIONS, THE ENDS OF SAID FIRST AND SECOND COILED PORTIONS BEING FIXEDLY ATTACHED TO SAID HOUSING, AN AXLE EXTENDING THROUGH SAID CHAMBER, MEANS FOR FIXEDLY CONNECTING SAID INTERMEDIATE PORTION TO SAID AXLE, SAID SPRING MEANS BEING MOUNTED TO BE UNWOUND WHEN SAID AXLE IS ROTATED THEREBY RESILIENTLY RESISTING SUCH ROTATION OF SAID AXLE, SAID HOUSING COMPRISING AN ELONGATED CYLINDRICAL MEMBER HAVING OPEN ENDS, A PAIR OF PLATE MEANS CLOSING SAID OPEN ENDS, SAID PLATE MEANS HAVING HOLES SUBSTANTIALLY IN THE CENTER THEREOF, SAID AXLE HAVING A STRAIGHT PORTION EXTENDING THROUGH SAID HOLES IN SAID PLATE MEANS, AN OFFSET PORTION INTEGRALLY FORMED WITH SAID STRAIGHT PORTION AND EXTENDING PERPENDICULARLY TO SAID STRAIGHT PORTION, AND A WHEEL BEARING PORTION FORMED INTEGRALLY WITH SAID OFFSET PORTION AND EXTENDING SUBSTANTIALLY PARALLEL TO SAID STRAIGHT PORTION, SAID CYLINDRICAL MEMBER INCLUDING OPENINGS IN THE WALL THEREOF, THE ENDS OF SAID COILED PORTIONS BEING FIXEDLY MOUNTED IN SAID OPENINGS.