Yarn stretching device

Claim 1

AN APPARATUS FOR STRETCHING THREAD COMPRISING IN COMBINATION A FRAME, A FIRST THREAD FEED ROLLER, A SHAFT FOR SUPPORTING SAID FEED ROLLER NEAR THE TOP OF SAID FRAME, A SECOND THREAD FEED ROLLER, MEANS FOR SUPPORTING SAID SECOND FEED ROLLER SO THAT THE PERIPHERAL SURFACE THEREOF IS DRIVEN FROM THE PERIPHERAL SURFACE OF SAID FIRST FEED ROLLER, A FIRST PAIR OF STRETCH ROLLERS, SHAFTS ATTACHED TO SAID STRETCH ROLLERS, MEANS FOR SUPPORTING SAID STRETCH ROLLERS AND THE SHAFTS THEREOF ON THE FRONT OF SAID FRAME SO THAT THE AXIS OF ONE OF SAID STRETCH ROLLERS IS DISPOSED AT A SLIGHT UPWARDLY INCLINED ANGLE WITH RESPECT TO THE AXIS OF THE OTHER OF SAID STRETCH ROLLERS, A SECOND PAIR OF STRETCH ROLLERS POSITIONED BELOW SAID FIRST PAIR, MEANS INCLUDING SHAFTS FOR SAID SECOND PAIR OF STRETCH ROLLER FOR SUPPORTING SAID SECOND PAIR OF STRETCH ROLLERS OFFSET OF THE FRONT OF SAID FIRST PAIR OF STRETCH ROLLERS, THE AXES OF SAID SECOND SET OF STRETCH ROLLERS ALSO BEING DISPOSED AT SLIGHT ANGLES WITH RESPECT TO EACH OTHER SO THAT ONE OF SAID SECOND PAIR OF STRETCH ROLLERS IS INCLINED UPWARDLY, MEANS FOR DRIVING SAID FIRST FEED ROLLER, MEANS FOR DRIVING BOTH PAIRS OF SAID STRETCH ROLLERS, AND MEANS FOR FEEDING YARN TO SAID SECOND FEED ROLLER SO THAT SAID YARN PASSES AROUND THE BOTTOM OF SAID SECOND FEED ROLLER, BETWEEN SAID FEED ROLLERS, AND OVER THE TOP OF SAID FIRST FEED ROLLER TOWARD THE BOTTOM THEREOF AND TO THE UPWARDLY INCLINED BEING WOUND AROUND SAID FIRST PAIR OF STRETCH ROLLERS A PLURALITY OF TIMES, SAID SECOND PAIR OF STRETCH ROLLERS BEING OFFSET TO THE FRONT OF SAID FIRST PAIR FAR ENOUGH SO THAT YARN PROGRESSING OVER THE UPWARDLY INCLINED ROLLER OF SAID FIRST PAIR TO THE FRONT THEREOF IS ADVANCED IN POSITION TO BE FED THEREFROM TO THE INNER END OF THE UPWARDLY INCLINED ONE OF SAID SECOND PAIR OF STRETCH ROLLERS, SAID DRIVING MEANS DRIVING SAID PAIRS OF STRETCH ROLLERS AT DIFFERENT PREDETERMINED SPEEDS SO THAT THE YARN MAY BE STRETCHED A PREDETERMINED AMOUNT IN PASSING OVER SAID STRETCH ROLLERS, AND MEANS FOR RECEIVING AND COLLECTING THE STRETCHED YARN FROM SAID SECOND PAIR OF STRETCH ROLLERS.

Claim 2

AN APPARATUS FOR STRETCHING THREAD COMPRISING IN COMBINATION A FRAME, A FIRST THREAD FEED ROLLER, A SHAFT FOR SUPPORTING SAID FEED ROLLER NEAR THE TOP OF SAID FRAME, A SECOND THREAD FEED ROLLER, MEANS FOR SUPPORTING SAID SECOND FEED ROLLER SO THAT THE PERIPHERAL SURFACE THEREOF IS DRIVEN FROM THE PERIPHERAL SURFACE OF SAID FIRST FEED ROLLER, A FIRST PAIR OF STRETCH ROLLERS, SHAFTS ATTACHED TO SAID STRETCH ROLLERS, MEANS FOR SUPPORTING SAID STRETCH ROLLERS AND THE SHAFTS THEREOF ON THE FRONT OF SAID FRAME SO THAT THE AXIS OF ONE OF SAID STRETCH ROLLERS IS DISPOSED AT A SLIGHT UPWARDLY INCLINED ANGLE WITH RESPECT TO THE AXIS OF THE OTHER OF SAID STRETCH ROLLERS, A SECOND PAIR OF STRETCH ROLLERS POSITIONED BELOW SAID FIRST PAIR, MEANS INCLUDING SHAFTS FOR SAID SECOND PAIR OF STRETCH ROLLER FOR SUPPORTING SAID SECOND PAIR OF STRETCH ROLLERS OFFSET OF THE FRONT OF SAID FIRST PAIR OF STRETCH ROLLERS, THE AXES OF SAID SECOND SET OF STRETCH ROLLERS ALSO BEING DISPOSED AT SLIGHT ANGLES WITH RESPECT TO EACH OTHER SO THAT ONE OF SAID SECOND PAIR OF STRETCH ROLLERS IS INCLINED UPWARDLY, MEANS FOR DRIVING SAID FIRST FEED ROLLER, MEANS FOR DRIVING BOTH PAIRS OF SAID STRETCH ROLLERS, AND MEANS FOR FEEDING YARN TO SAID SECOND FEED ROLLER SO THAT SAID YARN PASSES AROUND THE BOTTOM OF SAID SECOND FEED ROLLER, BETWEEN SAID FEED ROLLERS, AND OVER THE TOP OF SAID FIRST FEED ROLLER TOWARD THE BOTTOM THEREOF AND TO THE UPWARDLY INCLINED BEING WOUND AROUND SAID FIRST PAIR OF STRETCH ROLLERS A PLURALITY OF TIMES, SAID SECOND PAIR OF STRETCH ROLLERS BEING OFFSET TO THE FRONT OF SAID FIRST PAIR FAR ENOUGH SO THAT YARN PROGRESSING OVER THE UPWARDLY INCLINED ROLLER OF SAID FIRST PAIR TO THE FRONT THEREOF IS ADVANCED IN POSITION TO BE FED THEREFROM TO THE INNER END OF THE UPWARDLY INCLINED ONE OF SAID SECOND PAIR OF STRETCH ROLLERS, SAID DRIVING MEANS DRIVING SAID PAIRS OF STRETCH ROLLERS AT DIFFERENT PREDETERMINED SPEEDS SO THAT THE YARN MAY BE STRETCHED A PREDETERMINED AMOUNT IN PASSING OVER SAID STRETCH ROLLERS, AND MEANS FOR RECEIVING AND COLLECTING THE STRETCHED YARN FROM SAID SECOND PAIR OF STRETCH ROLLERS.