High-low reverse drive

Claim 1

HIGH-LOW-REVERSE DRIVE MECHANISM, COMPRISING: A HOLLOW FORE-AND-AFT OUTPUT SHAFT HAVING A REAR SUN GEAR FIXED THERETO; A PLANET CARRIER AHEAD OF THE OUTPUT SHAFT AND HAVING A HOLLOW CARRIER SHAFT FIXED THERETO AND EXTENDING COAXIALLY LOOSELY THROUGH SAID OUTPUT SHAFT TO A REAR PART BEHIND THE REAR SUN GEAR; A HOLLOW DRIVEN SHAFT COAXIAL WITH AND JOURNALED RELATIVE TO SAID CARRIER AND CARRIER SHAFT AND HAVING A FRONT SUN GEAR FIXED THERETO AHEAD OF SAID CARRIER; INTERCONNECTED PLANET GEARS JOURNALED ON THE CARRIER AND INCLUDING FRONT AND REAR PLANET GEARS MESHING RESPECTIVELY WITH THE FRONT AND REAR SUN GEARS; AN INPUT SHAFT EXTENDING COAXIALLY LOOSELY THROUGH THE DIRVEN, CARRIER AND OUTPUT SHAFTS AND HAVING A FRONT PART AHEAD OF THE FRONT SUN GEAR AND A REAR PART BEHIND THE REAR SUN GEAR; A FRONT CLUTCH AHEAD OF THE FORNT SUN GEAR AND SELECTIVELY ENGAGEABLE AND DISENGAGEABLE BETWEEN THE FRONT SUN GEAR AND INPUT SHAFT FRONT PART; A REAR CLUTCH BEHIND THE REAR SUN GEAR ABD SELECTIVELY ENGAGEABLE AND DISENGAGEABLE BETWEEN THE REAR PARTS OF THE INPUT ANS CARRIER SHAFTS; A SUN BRAKE SELECTIVELY ENGAGEABLE WITH AND DISENGAGEABLE FROM THE FRONT SUN GEAR; A CARRIER BRAKE SELECTIVELY ENGAGEABLE WITH AND DISENGAGEABLE FROM THE CARRIER; AND CONTROL MEANS CONNECTED TO AND FOR SELECTIVELY OPERATING THE CLUTCHES AND BRAKES IN COMBINATIONS INCLUDING BOTH CLUTCHES ENGAGED AND BOTH BRAKES DISENGAGED, FROM CLUTCH AND CARRIER BRAKE ENGAGED AND THE OTHERS DISENGAGED, AND SUN BRAKE AND REAR CLUTCH ENGAGED AND THE OTHERS DISENGAGED.