Means and methods for balancing wheels

Claim 1

FOR USE WITH A WHEEL INCLUDING A HUB AND AN ANNULAR RIM SECURED TO THE HUB AND ADAPTED FOR RECEIVING A TUBELESS TIRE, WHEEL BALANCING MEANS COMPRISING A CIRCULAR BULAR RING MOUNTED ON SAID RIM AND DEFINING A CIRCULAR PATH WITHIN THE RING ABOUT THE AXIS OF THE WHEEL, A MASS OF LEAD CONTAINING MATERIAL MOUNTED WITHIN THE TUBULAR PATH AND BEING NORMALLY SOLID AND ADAPTED FOR TURNING TO LIQUID WHEN SUBSTANTIAL QUANTITIES OF HEAT ARE APPLIED THEREOT, SAID RING BEING MOUNTED IN THE AIR CHAMBER BETWEEN THE RIM AND THE TIRE AND BEING THERMALLY INSULATED FROM SAID RIM AND SAID TIRE, MEANS FOR SELECTIVELY HEATING THE MATERIAL AND THE RING WHILE THE WHEEL IS BEING ROTATED AT OPERATIONAL ANGULAR VELOCITIES, AND MEANS FOR SELECTIVELY REMOVING THE HEAT FROM THE RING AND MATERIAL AND COOLING THE RING AND THE MATERIAL WITHOUT STOPPING THE ROTATION OF THE WHEEL.