Patents Examined by Suzlivan C. Prak
  • Chaining-off device for multiple needle chainstitch sewing machines
    Patent number: 5027728
    Abstract: A device for forming a thread chain on a multiple-needle chainstitch sewing machine having at least two sewing needles, a looper, a needle plate having at least two needle hole slots and a stitch formation tongue disposed between the needle hole slots, and a feed device comprising a feed dog and a presser foot, and a sewing thread brake device disposed beneath the stitch formation tongue beyond the sewing needles in the direction of sewing. The device brakes the sewing threads, and deflects them in such a way that a thread chain is formed.
    Type: Grant
    Filed: May 23, 1990
    Date of Patent: July 2, 1991
    Assignee: Union Special G.m.b.H.
    Inventor: Raffaele Prina