一针缝纫机都缝/缝针

Single Needle Sewing Machine/Double Needle Sewing Machine This machine is a heavy duty compound feed lockstitch sewing machines, which is designed with large vertical rotating hooks for thread loop catching and slidingbars for thread uptaking. It has been sub-classed into single needle, two needle, single needle with under-trimmer and two needle with undertrimmer.The application of needle bearings for arm shaft and hook shaft, cog belt driving, plunger pump lubrication and compound feed by needle bar, presser foot and feeddog provides this series with such splendid features as smooth running, quietworking and a long service life. It is also equipped with a safety clutch to prevent the hooks from damage by over-duty operation. So it is especially availablein stitching car seat cushions, safety belts, safety air bags, tents, parachutes, etc.