SEWING MACHINE WITH TWO-THREAD CHAIN ZIGZAG-LIKE STITCH

摘要

The head of sewing machine is installed under production table. The pressing unit is installed at the production table. The main shaft of the machine head is kinematically connected to the upper shaft with toothed belt transmission. The transportation body is installed directly at the upper shaft, and the mechanisms of the needle and those of the looper are arranged as a single kinematical chain, installed with possibility to bring respective working body into motion in arc trajectory.