Non-synchronous multiple speed ratio power transmission mechanism

Claim 1

IN A MULTIPLE SPEED RATIO POWER TRANSMISSION MECHANISM COMPRISING A DRIVING MEMBER, A DRIVEN MEMBER, A GEAR ASSEMBLY, SELECTIVELY ENGAGEABLE CLUTCH MEANS FOR ESTABLISHING A DRIVING CONNECTION BETWEEN SAID DRIVING MEMBER AND A POWER INPUT ELEMENT OF SAID GEAR ASSEMBLY, A SECOND ELEMENT OF SAID GEAR ASSEMBLY BEING CONNECTED TO SAID DRIVEN MEMBER, A THIRD ELEMENT OF SAID GEAR, ASSEMBLY BEING ADAPTED TO ACCOMMODATE DRIVING TORQUE REACTION, AN OVERRUNNING COUPLING HAVING TWO RACES WITH COUPLING ELEMENTS DISPOSED THEREBETWEEN, SAID THIRD ELEMENT BEING CONNECTED TO ONE RACE, FLUID PRESSURE OPERATED FRICTION COUPLING MEANS FOR CONNECTING THE OTHER RACE SELECTIVELY TO A STATIONARY PORTION OF SAID MECHANISM, A FLUID PRESSURE SOURCE, CONDUIT STRUCTRE CONNECTING SAID SOURCE AND SAID FRICITON COUPLING MEANS, A FOURH ELEMENT OF SAID GEAR UNIT BEING ADAPTED TO ACCOMMODATE DRIVING TORQUE REACTION DURING OPERATION IN A RELATIVELY LOW SPEED RATION, BRAKE MEANS FOR ANCHORING SAID FOURTH ELEMENT AGAINST A STATIONARY PORTION OF SAID MECHANISM, SAID FRICTION COUPLING MEANS BEING ADAPTED TO ACCOMODATE ROTATION OF SAID THIRD ELEMENT IN ONE DIRECTION WHEN SAID MECHANISM IS CONDITIONED FOR OPERATION IN SAID LOW SPEED RATIO, SAID FRICTION COUPLING MEANS AND SAID COUPLING ELEMENTS DEFINING IN PART A TORQUE REACTION PATH BETWEEN SAID THIRD ELEMENT AND SAID STATIONARY PORTION OF SAID MECHANISM DURING OPERATION IN SAID