Machine class 251
Universal blind stitch sewing machine with skip stitch device and spring-loaded rib shaft (plunger)
High performance blind stitch sewing machine.
Modern shape with ample working width (17 cm).
With skip stitch device 1:1 / 1:2 reversible (on request 1:3).
Spring-loaded rib shaft (plunger); spring resistance adjustable infinitely variable to the kind of material. The presser foot shoe works like a tracer and is adjustable to the material thickness. When sewing over a cross seam, a pocket or any other thickness, it depresses the rib shaft (plunger) and the needle pierces the upper cloth layer only, i.e. no marks on the outside from thread pull.
|Stitches per minute, up to||3000|
|Stitch length mm||3-8|
Hand-wheel diameter (effective) mm
|Motor speed rpm.||1400|
|Motor v-belt pulley