Patents Assigned to Tokuji Koshiba
  • Warp stop motion mechanism for looms
    Patent number: 4848411
    Abstract: A warp stop motion mechanism for a loom includes droppers adapted to fall under their own weight upon warp yarn breakage, and contact bars for receiving the droppers. The contact bars are held between a pair of upper and lower contact bar supports slidably installed on side frames and a warp yarn breakage detecting circuit is disposed between the upper and lower contact bar supports and adapted to be closed by the natural fall of the droppers.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: July 18, 1989
    Assignees: Nishiki Sangyo Kabushiki Kaisha, Tokuji Koshiba
    Inventor: Narachiyo Nishiguchi