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Pattern attachment for tufting machines

  • US 3,375,797 A
  • Filed: 09/15/1966
  • Issued: 04/02/1968
  • Est. Priority Date: 09/15/1966
  • Status: Expired due to Term
First Claim
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1. IN A TUFTING MACHINE;

  • YARN FEED MEANS FOR FEEDING A PLURALITY OF YARN STRANDS INCLUDING A PLURALITY OF FEED ROLLS DISPOSED FOR ROTATION RELATIVE TO ONE ANOTHER;

    MEANS FOR ROTATING EACH FEED ROLL AT A DIFFERENT SPEED FROM THE SPEED OF EACH OTHER FEED ROLL;

    A PLURALTIY OF INDIVIDUALLY MOVABLE YARN SUPPORTING MECHANISMS, THERE BEING A YARN SUPPORTING MECHANISM FOR EACH YARN STRAND DISPOSED ADJACENT TO EACH FEED ROLL FOR OPERABLE ENGAGEMENT THEREWITH SO THAT, WHEN A YARN SUPPORTING MECHANISM OPERABLY ENGAGES AN ASSOCIATED FEED ROLL, YARN WILL BE FED AT A SPEED DETERMINED BY THE SPEED OF ROTATION OF SAID FEED ROLL;

    ACTUATING MEANS FOR MOVING SAID YARN SUPPORTING MECHANISMS RELATIVE TO SAID FEED ROLLS, SAID ACTUATING MEANS INCLUDING A SEPARATE ACTUATOR MECHANISM FOR EACH YARN SUPPORTING MECHANISM;

    AND CONTROL MEANS FOR SELECTIVELY AND INDIVIDUALLY INITIATING MOVEMENT OF EACH SAID ACTUATOR MECHANISM TO MOVE A YARN SUPPORTING MECHANISM RELATIVE TO ITS ASSOCIATED FEED ROLL IN ACCORDANCE WITH THE SELECTION OF SAID CONTROL MEANS SUCH THAT A PLURALITY OF DIFFERENT INDIVIDUAL LENGTHS OF YARN CAN BE SELECTIVELY PROVIDED BY SAID YARN FEED MEANS THROUGH SELECTIVE OPERABLE ENGAGEMENT OF SAID YARN SUPPORTING MECHANISMS WITH SAID FEED ROLLS.

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