Machine Class 251-31
Universal blind stitch sewing machine with skip stitch device and spring-loaded rib shaft (plunger). For especially light and hard fabrics
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.
With narrow needle plate cutout for especially light and hard fabrics, for silk, lining etc.
|Stitches per minute, up to||3000|
|Stitch length mm||3-8|
Hand-wheel diameter (effective) mm
|Motor speed rpm.||1400|
|Motor v-belt pulley