Tufting machine yarn feeding means
First Claim
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9. IN PILE FABRIC TUFTING APPARATUS HAVING A THROAT PLATE, MEANS FOR FEEDING BACKING FABRIC ACROSS SAID THROAT PLATE, A PLURALITY OF OSCILLATING NEEDLES FOR PENETRATING THE FABRIC AS IT IS FED OVER THE THROAT PLATE, AND A PLURALITY OF PAIRS OF ROLLERS FOR FEEDING PILE YARN TO SAID NEEDLES, THE IMPROVEMENT OF AT LEAST ONE DISCONNECTABLE SEGMENT ROLLER FORMING THE TERMINAL PORTION OF AT LEAST ONE END OF EACH OF SAID FEED ROLLERS AND BEING IN AXIAL ALIGNMENT THEREWITH, AND MEANS FOR SELECTIVELY RETAINING SAID DISCONNECTABLE SEGMENT ROLLERS IN A NON-ROTATABLE POSITION WHEN SAID DISCONNECTABLE SEGMENT ROLLERS ARE IN A DISCONNECTED POSITION WITH RESPECT TO SAID FEED ROLLERS.
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9 Claims
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9. IN PILE FABRIC TUFTING APPARATUS HAVING A THROAT PLATE, MEANS FOR FEEDING BACKING FABRIC ACROSS SAID THROAT PLATE, A PLURALITY OF OSCILLATING NEEDLES FOR PENETRATING THE FABRIC AS IT IS FED OVER THE THROAT PLATE, AND A PLURALITY OF PAIRS OF ROLLERS FOR FEEDING PILE YARN TO SAID NEEDLES, THE IMPROVEMENT OF AT LEAST ONE DISCONNECTABLE SEGMENT ROLLER FORMING THE TERMINAL PORTION OF AT LEAST ONE END OF EACH OF SAID FEED ROLLERS AND BEING IN AXIAL ALIGNMENT THEREWITH, AND MEANS FOR SELECTIVELY RETAINING SAID DISCONNECTABLE SEGMENT ROLLERS IN A NON-ROTATABLE POSITION WHEN SAID DISCONNECTABLE SEGMENT ROLLERS ARE IN A DISCONNECTED POSITION WITH RESPECT TO SAID FEED ROLLERS.
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Current AssigneeEd B. Broadrick, Glenn J. Ledford, Herbert S. Mcdowell
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Original AssigneeEd B. Broadrick, Glenn J. Ledford, Herbert S. Mcdowell
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InventorsBroadrick, Ed B., Ledford, Glenn J., Mcdowell, Herbert S.
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Application NumberUS04/004,445Time in Patent Office1,331 DaysField of SearchUS Class Current112/80.73CPC Class CodesD05C 15/32 by altering the loop length
