D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
D05B 57/06 (2006.01) D05B 87/02 (2006.01)
Patent
CA 2063932
TITLE: A THREADING APPARATUS FOR A LOWER LOOPER OF AN OVERLOCK SEWING MACHINE ABSTRACT OF THE DISCLOSURE A threading device for threading a lower looper of an overlock sewing machine having an orifice and a slot formed in an arm of the lower looper, a hook formed on a rear end of the arm and obliqued from the arm, a holder formed on one end of a lever, a thread threaded through the orifice of the arm can be carried by the holder toward the rear end of the arm, the thread slipping over the hook and located behind the hook when the holder moves beyond the hook, and the thread hooked by the hook and received in the slot when the lever is released.
Smart & Biggar
Wang Shui-Nu
LandOfFree
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