Friction clutch construction

Claim 1

AN ACTUATING MECHANISM FOR TWO FRICTION CLUTCHES, ESPECIALLY FOR SHIFTING CLUTCHES IN AUTOMATICALLY-SHIFTED MOTOR VEHICLE CHANGE-SPEED TRANSMISSIONS, WHICH ARE ARRANGED WITHIN A ROTATING DRUM-LIKE STRUCTURE ON THE SAME SIDE OF A DISK-LIKE PART SUPPORTING THE DRUM-SHAPED STRUCTURE AND INCLUDE ABUTMENT MEANS AND FRICTION DISKS, COMPRISING: FIRST ACTUATING PISTON MEANS FOR ONE OF SAID CLUTCHES, SECOND ACTUATING PISTON MEANS FOR THE OTHER OF SAID CLUTCHES, SAID FIRST AND SECOND ACTUATING PISTON MEANS BEING DISPOSED ON THE SAME SIDE OF SAID DISK-LIKE PART AS THE RESPECTIVE CLUTCHES, AND THE FIRST ACTUATING PISTON MEANS SERVING SIMULTANEOUSLY AS PRESSURE CYLINDER MEANS FOR RECEIVING THE SECOND ACTUATING PISTON MEANS, FIRST PRESSURE PLATE MEANS FOR THE FIRST CLUTCH, AND PRESSURE MEMBERS OPERATIVELY CONNECTING SAID FIRST ACTUATING PISTON MEANS WITH SAID FIRST PRESSURE PLATE MEANS, SAID PRESSURE MEMBERS BEING SUPPORTED IN AN AXIALLY MOVABLE MANNER WITHIN SLOTS PROVIDED IN SAID DRUM-SHAPED STRUCTURE AND BY-PASSING EXTERNALLY THE FRICTION DISKS AND ABUTMENT MEANS OF THE SECOND CLUTCH.