Apparatus for tufting skip-stitch patterns

• US 3,084,644 A
• Filed: 03/23/1960
• Issued: 04/09/1963
• Est. Priority Date: 03/23/1960
• Status: Expired due to Term

• Current Assignee: Spencer Wright Industries, Inc.
• Original Assignee: Lewis Card Joseph
• Inventors: LEWIS CARD JOSEPH
• Application Number:
  US04/017,119
• Time in Patent Office: 1,112 Days
• US Class Current: 112/80.32
• CPC Class Codes: D05C 15/00 Making pile fabrics or articles having similar surface features by inserting loops into a base material layered products B32B; non-woven pile fabrics D04H11/00

Claims

1. IN A TUFTING MACHINE INCLUDING NEEDLES FOR STITCHING A PLURALITY OF YARNS THROUGH A BASE FABRIC TO FORM TUFTS THEREIN, MEANS FOR RECIPROCATING SAID NEEDLES, FABRIC FEED ROLLS, MEANS FOR CONTINUOUSLY DRIVING SAID ROLLS TO FEED SAID FABRIC BENEATH SAID NEEDLES AT A PREDETERMINED RATE, AN OVERRUNNING CLUTCH OPERATIVELY CONNECTED TO ONE OF SAID FABRIC FEED ROLLS FOR MOVING SAID FABRIC FASTER THAN SAID PREDETERMINED RATE, FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID RECIPROCATING MEANS FOR PERIODICALLY OVERRUNNING SAID CLUTCH, A YARN CLAMP COMPRISING CLAMPING ELEMENTS MOVABLE BETWEEN AN UNCLAMPING POSITION TO PERMIT THE PASSAGE THERETHROUGH OF SAID YARNS TO THEIR RESPECTIVE NEEDLES AND A YARN CLAMPING POSITION, SECOND CAM MEANS OPERATIVELY CONNECTED TO SAID FIRST CAM MEANS FOR PERIODICALLY MOVING SAID ELEMENTS TO CLAMPING POSITION TO CLAMP SAID YARNS WHEN SAID CLUTCH IS BEING OVERRUN.