Feeding mechanism for yarn winding and processing machines

Claim 1

IN A TEXTILE MACHINE, A FEEDING MECHANISM FOR MOVING A PAIR OF YARNS IN PREDETERMINED DIRECTIONS AND AT PREDETERMINED CONSTANT SPEEDS AGAINST VARIABLE RESISTANCE WHICH THE YARNS OFFER TO SUCH MOVEMENTS, SAID MECHANISM COMPRISING A ROTARY ENGINE INCLUDING A PAIR OF COAXIAL ELECTRIC MOTORS EACH OF WHICH COMPRISES A ROTOR, SAID ROTORS HAVING SMOOTH PERIPHERAL SURFACES OF TEMPERED HARDNESS, EACH OF SAID SURFACES ENGAGING ONE OF THE YARNS ALONG AT LEAST A PORTION THEREOF, AND SAID MOTORS BEING ADAPTED TO DRIVE THE RESPECTIVE ROTORS AT SUCH PERIPHERAL SPEEDS AND IN SUCH DIRECTIONS THAT THE PERIPHERAL SPEEDS OF THE ROTORS EXCEED SAID PREDETERMINED SPEEDS AND THAT SAID ROTORS FEED THE RESPECTIVE YARNS BY FRICTION IN SAID PREDETERMINED DIRECTIONS WHEREBY SLIPPAGE OCCURS BETWEEN THE YARNS AND THE RESPECTIVE SURFACES, THE PERIPHERAL SPEEDS OF SAID SURFACES AND THE FRICTION BETWEEN SAID SURFACES AND THE RESPECTIVE YARNS BEING CORRELATED WITH THE RESISTANCE WHICH THE YARNS OFFER IN SUCH A WAY THAT THE YARNS MOVING IN SAID PREDETERMINED DIRECTIONS ADVANCE AT SAID PREDETERMINED SPEEDS.