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

• Current Assignee: Spencer Wright Industries, Inc.
• Original Assignee: William M. Gaines
• Inventors: Gaines, William M.
• Application Number:
  US04/579,643
• Time in Patent Office: 565 Days
• US Class Current: 112/80.24
• CPC Class Codes: D05C 15/32 by altering the loop length

Claims

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.