Road working machine

Claim 1

A MECHANICAL MOVEMENT OF THE CHARACTER DESCRIBED COMPRISING, A MAIN ARM HAVING ONE END PORTION, MEANS FIXED ON SAID ONE END PORTION FOR CONNECTION WITH A SOURCE OF POWER FOR BODILY SWINGING SAID ARM SO THAT ANOTHER END THEREOF SWING THROUGH AN ARCUATE PATH, A SHAFT ROTATABLE IN SAID ONE END PORTION OF SAID MAIN AND HAVING A WHEEL FIXED THERETO, A SECOND SHAFT FIXED IN SAID MAIN ARM IN SPACED RELATION TO THE FIRST-NAMED SHAFT, A SECOND ARM ON SAID SECOND SHAFT AND SWINGABLE ON THE AXIS OF SAID SECOND SHAFT AND RELATIVE TO THE MAIN ARM, A SECOND WHEEL ABOUT THE SECOND SHAFT AND FIXED TO THE SECOND ARM AND IN ALIGNMENT WITH SAID FIRST-NAMED WHEEL, AND A FLEXIBLE POWER-TRANSMITTING MEMBER TRAINED OVER AND OPERATIVELY ENGAGING SAID SECOND WHEEL WITH ENDS CONNECTED TO THE FIRST-NAMED WHEEL WHEREBY WHEN SAID MAIN ARM IS OPERATED BY THE SOURCE OF POWER THE ARMS ARE SWUNG SIMULTANEOUSLY, SAID FIRST AND SECOND WHEELS BEING OF DIFFERENT DIAMETERS WITH THE FIRST-NAMED WHEEL BEING THE LARGER WHEREBY THE ANGLE OF SWINGING MOVEMENT OF THE SECOND ARM RELATIVE TO THAT OF THE MAIN ARM IS OF THE SAME RATIO AS THE DIAMETER OF THE FIRST-NAMED WHEEL TO THE DIAMETER OF THE SECOND-NAMED WHEEL.