2-needle,feed-off-the-arm,double chainstitch sewing machine. (lap seaming)(for light material)
Suitable for stitching the lap seam of light columnar materials.
A movable needle guard has been adopted, can be smooth to feed material, formed the steady seams.
The modified shapes of the feed dog and presser foot, improved the capability of the section position of different thickness in feeding material, in order to prevent skipped stitches from occurring, prevented puckering and get the even seams.
The stitch length can be changed simply by pressing a button while turning the machine pulley to align the scale marks.