Four wheel belt variable transmission drive

Claim 1

A FOUR WHEEL DRIVE FOR A VEHICLE COMPRISING A POWER PLANT, CONTROL MEANS FOR DRIVING SAID VEHICLE COMPRISING AN ACCELERATOR AND A BRAKE PEDAL, A DRIVE SHAFT DRIVEN BY SAID POWER PLANT, AN AUTOMATIC CENTRIFUGAL CLUTCH CONNECTING SAID POWER PLANT TO SAID DRIVE SHAFT, A PRIMARY AXIALLY EXPANDABLE AND CONTRACTIBLE PULLEY HAVING A FIXED PULLEY HALF AND A SLIDABLE PULLEY HALF DRIVEN BY SAID DRIVE SHAFT, MEANS TO ADAPT THE MUTUAL DISTANCE BETWEEN SAID PULLEY HALVES TO THE ENGINE SPEED AND THE DRIVING RESISTANCE, A SECONDARY AXIALLY EXPANDABLE AND CONTRACTIBLE PULLEY, A FLEXIBLE DRIVE BETWEEN SAID PRIMARY PULLEY AND SAID SECONDARY PULLEY, A SHAFT DRIVEN BY SAID SECONDARY PULLEY, A REAR AXLE UPON WHICH THE REAR WHEELS OF SAID VEHICLE ARE SAID SECONARY PULLEY TO SAID REAR AXLE, A FRONT AXLE HAVING THE FRONT WHEELS OF SAID VEHICLE MOUNTED THEREON, A TELESCOPING SHAFT CONNECTING SAID REDUCTION MEANS TO SAID FRONT AXLE, WHEREBY SAID VEHICLE MAY BE DRIVEN AND CONTROLLED UNDER ALL CONDITIONS BY SAID ACCELERATOR AND BRAKE PEDAL AND A DRUM COMPRISING BRAKE MEANS ASSOCIATED WITH SAID TELESCOPING SHAFT.