Automatic variable speed rewind drive

Claim 1

IN A REWIND MACHINE A COMBINATION OF A PLURALITY OF REWIND ARMS PIVOTALLY SUPPORTED AT THEIR INNER ENDS AND EACH PAIR BEING ADAPTED TO SUPPORT A REWIND SHAFT AT THEIR OUTER END ON WHICH SHAFT WEBS OF SHEET MATERIAL ARE TO BE WOUND INTO REWIND ROLLS, A CONTACT DRUM IN OPERATIONAL ENGAGEMENT WITH SAID REWIND ROLLS, MEANS FOR VARYING THE ANGLE OF POSITION OF EACH OF SAID PAIR OF ARMS IN ACCORDANCE WITH THE DIAMETER OF THEIR RESPECTIVE REWIND ROLLS, ONE OF SAID ARMS OF EACH PAIR CARRYING AT ITS OUTER END MEANS FOR DRIVING ENGAGEMENT WITH SAID SHAFT, SLIP CLUTCH MEANS HAVING THE DRIVEN SIDES DRIVINGLY CONNECTED TO SAID MEANS FOR DRIVING ENGAGEMENT, MOTIVE MEANS HAVING A PLURALITY OF POWER OUTPUTS DRIVINGLY CONNECTED TO THE DRIVING SIDE OF SAID CLUTCHES RESPECTIVELY, CONTROL MEANS FOR CONTROLLING THE SLIP OF EACH OF SAID CLUTCH MEANS, EACH OF SAID CONTROL MEANS COMPRISING A SPEED TRANSMITTER FOR SENSING THE SPEED OF ITS RESPECTIVE MOTIVE MEANS OUTPUT AND TRANSMITTING A CORRESPONDING SIGNAL, A SECOND SPEED TRANSMITTER FOR SENSING THE SPEED OF ITS RESPECTIVE REWIND SHAFT AND TRANSMITTING A CORRESPONDING SIGNAL, A CONSTANT SIGNAL TRANSMITTER, A SELECTING RELAY FOR RECEIVING SIGNALS FROM SAID FIRST SPEED TRANSMITTER AND SAID CONSTANT SIGNAL TRANSMITTER AND TRANSMITTING A CORRESPONDING SIGNAL, MEAN FOR SENSING THE ANGLE OF POSITION OF SAID REWIND ARM AND TRANSMITTING A CORRESPONDING SIGNAL, A RATIO CONTROL STATION FOR RECEIVING SAID SELECTING RELAY SIGNAL AND THE SIGNAL OF SAID MEANS FOR SENSING THE ANGLE OF POSITION OF THE REWIND ARMS AND FOR TRANSMITTING A CORRESPONDING SIGNAL, AND A CONTROLLER WHICH ACTUATES ITS RESPECTIVE CLUTCH MEANS ACCORDING TO THE SIGNALS RECEIVED FROM SAID RATIO CONTROL STATION AND SAID SECOND SPEED TRANSMITTER.