Patents by Inventor Randel Pembroke Smith

Randel Pembroke Smith has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3994245
    Abstract: A multiple needle tufting machine having a multiplicity of yarns and a high tension detector for detecting when the tension of any yarn between the tufting machine and a yarn supply deviates from a predetermined normal and for identifying the particular yarn that so deviates. The detector includes a yarn contacting member for each yarn urged into engagement with the yarn for reacting to tension variation and to close a switch when the tension is excessive. Two electrical circuits for identifying the particular switch, and therefore yarn, are disclosed.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: November 30, 1976
    Assignee: The Singer Company
    Inventor: Randel Pembroke Smith
  • Patent number: 3986465
    Abstract: A cloth feed take off system for a cut pile control needle tufting machine having a yarn tail extractor for removing the loose strand of yarn formed by the initial stitch each needle makes upon reactivation. The cloth feed take off system maintains high tension in the cloth in the stitch forming section while providing a lower tension in the cloth in the yarn tail extractor section.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: October 19, 1976
    Assignee: The Singer Company
    Inventors: Randel Pembroke Smith, Alvin Truitt Bonner, Sr.