Patents by Inventor Craig Trigg

Craig Trigg 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: 5540424
    Abstract: Apparatus is provided for sewing the crotch portion of a pair of aligned blanks of limp fabric and stacking the sewn blanks which comprises robots (10 and 20) located one on each side of an operator. Each of the robots (10 and 20) is capable of gripping and removing a limp fabric blank from an associated stack of blanks and transporting the blanks to an operator. The robots (10 and 20) have arms (26) capable of axial movement and movement in a vertical plane and additionally capable of rotating about their axes through an angle of 180.degree.. At least one of the robots (10,20) is capable of rotation about a vertical axis, effecting horizontal movement of the arm (26). The apparatus also comprises a sewing head (30) for sewing the crotch portion of the pair of aligned blanks, and a blank support/transfer carriage (41) adjacent the sewing head mounted for horizontal movement in a direction substantially parallel with the direction of sewing.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: July 30, 1996
    Assignee: Pacific Dunlop Limited
    Inventors: Craig Trigg, Ronald Anderson, Heinz Westermeir, Rob Blake
  • Patent number: 5456192
    Abstract: Apparatus is provided for sewing the crotch portion of a pair of aligned blanks of limp fabric and stacking the sewn blanks which comprises robots (10 and 20) located one on each side of an operator. Each of the robots (10 and 20) is capable of gripping and removing a limp fabric blank from an associated stack of blanks and transporting the blanks to an operator. The robots (10 and 20) have arms (26) capable of axial movement and movement in a vertical plane and additionally capable of rotating about their axes through an angle of 180.degree.. At least one of the robots (10, 20) is capable of rotation about a vertical axis, effecting horizontal movement of the arm (26). The apparatus also comprises a sewing head (30) for sewing the crotch portion of the pair of aligned blanks, and a blank support/transfer carriage (41) adjacent the sewing head mounted for horizontal movement in a direction substantially parallel with the direction of sewing.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: October 10, 1995
    Assignee: Pacific Dunlop Limited
    Inventors: Craig Trigg, Ronald Anderson, Heinz Westermeir, Rob Blake