Power shifted overdrive

Claim 1

IN A CONTROL SYSTEM FOR AN OVERDRIVE TRANSMISSION HAVING AN INPUT SHAFT AND AN OUTPUT SHAFT, AND A PLANETARY GEAR SET AND AN OVERRUNNING CLUTCH INTERCONNECTING SAID SHAFTS, THE COMBINATION OF BRAKE MEANS INCLUDING A FLUID PRESSURE SERVOMOTOR FOR RENDERING AN OVERDRIVE POWER TRAIN EFFECTIVE BETWEEN SAID SHAFTS, A SOURCE OF FLUID PRESSURE CONNECTED TO ACTUATE SAID SERVOMOTOR, A MOVABLE VALVE EFFECTIVE IN ONE POSITION TO APPLY FLUID PRESSURE FROM ONE SOURCE TO SAID SERVOMOTOR AND EFFECTIVE IN A SECOND POSITION TO RELEASE FLUID PRESSURE FROM SAID SERVOMOTOR, MANUAL MEANS EFFECTIVE TO MOVE SAID VALVE TO EITHER POSITION, MECHANICAL LOCK-UP MEANS EFFECTIVE TO LOCK UP SAID GEAR SET FOR COMPLETING A DIRECT DRIVE POWER TRAIN BETWEEN SAID SHAFTS, ACTUATING MEANS FOR OPERATING SAID LOCK-UP MEANS AND INTERCONNECTED WITH SAID VALVE, SAID ACTUATING MEANS CONSTITUTING AN ADDITIONAL MEANS TO MOVE SAID VALVE THEREBY RELEASING FLUID PRESSURE FROM SAID SERVOMOTOR WHEN SAID LOCK-UP MEANS IS ENGAGED.