Method and apparatus of tufting pile fabric

• US 3,091,199 A
• Filed: 02/09/1959
• Issued: 05/28/1963
• Est. Priority Date: 02/09/1959
• Status: Expired due to Term

• Current Assignee: Hyde W. Ballard
• Original Assignee: Hyde W. Ballard
• Inventors: Ballard, Hyde W.
• Application Number:
  US03/792,019
• Time in Patent Office: 1,569 Days
• US Class Current: 112/80.32
• CPC Class Codes: D05C 15/26 with provision for producing patterns

Claims

1. IN A TUFTING APPARATUS FOR TUFTING STITCHES THROUGH A MOVING BACKING FABRIC INCLUDING AT LEAST TWO ROWS OF LONGITUDINALLY SPACED NEEDLES IN LONGITUDINALLY OFFSET RELATIONSHIP ALONG THE FABRIC, A FEED ROLL ON ONE SIDE OF THE NEEDLES FOR MOVING THE FABRIC THROUGH THE TUFTING ZONE, AND A TAKE-UP ROLL ON THE OTHER SIDE OF THE NEEDLES FOR MOVING THE TUFTED FABRIC, THE IMPROVEMENT FOR PRODUCING ALTERNATING AREAS OF DENSE PILE PROJECTIONS AND INTERMEDIATE AREAS OF LESS DENSE PILE PROJECTIONS IN TRANSVERSELY STAGGERED RELATIONSHIP ACROSS THE FABRIC WHICH COMPRISES VARIABLE SPEED DRIVING MEANS OPERATIVELY CONNECTED TO SAID FEED ROLL AND SAID TAKE-UP ROLL FOR VARYING THE SPEED OF SUCH ROLLS AND PATTERN CONTROL MEANS OPERATIVELY CONNECTED TO SAID DRIVING MEANS, SAID PATTERN CONTROL MEANS INCLUDING A FIRST SPEED CONTROL SECTION AND A SECOND SPEED CONTROL SECTION HAVING RELATIVELY GREATER SPEED CONTROL THAN