| 摘要 |
A sewing machine has a metal device and performs transport of material with chain stitches that are unraveled, platform where interweaving of thread takes place, head with opening and thread, this moves in vertical direction and punches material a d performs stepping flexible chain-quilted stitch. The platform is arranged with cuts and has rotary hooks, rods with cuts and two levers with stroke to two middle hooks, rod with stroke to remote hook, two hooks for thread crossing arranged at right angles to first rod, it has two parallel rods with stroke to remote hooks through middle hook and rotary hooks arranged with possibility of disconnection. |
