HIGH-SPEED SINGLE NEEDLE ZIGZAG SEWING MACHINE
This machine adopts simple wiper device, which enables 2 points zigzag seam and 4 points zigzag seam easily without machine changing, thus improving, the efficiency of sewing machine. By installing feeding device with height-changeable feeding dog, the machine can effectively prevent the slide when sewing and the deviation when sewing on the flexible fabric. And the machine use none-rotating bobbin, thus avoiding no-loaded rotating and also keeping appropriate pulling strength of the bottom thread.
