Looper and cam assembly for chain stitch sewing machine
Looper and knife driving mechanism for sewing machine
Looper changeover device
Looper changeover device for an edge stitching sewing machine
Looper control apparatus for sewing machines
Looper control apparatus for sewing machines
Looper device having a thread feeding mechanism
Looper drive device for a stitching machine
Looper drive for a chainstitch sewing machine
Looper drive mechanism for sewing machine
Looper drive mechanism of a sewing machine
Looper drive with sliding and swiveling joint
Looper driving assembly for a sewing machine
Looper for a single-thread chainstitch sewing machine
Looper for sewing machine
Looper for sewing machines
Looper shifting device in overlock sewing machine
Looper switching mechanism in overlock sewing machine
Looper thread guiding mechanism for facilitating the looper thre
Looper thread tension device