STITCHING-TOGETHER AND OVERSEAMING MACHINE WITH KNIFE DRIVE DEVICE

摘要

FIELD: sewing equipment, in particular, household overlock sewing machines. SUBSTANCE: machine makes it possible to make holder of knife for cutting off material in the form of separate rocking lever which together with rocking bar of needle guide and its drive lever is secured to body rear part. Rocking plane of rocking lever is parallel to rocking plane of drive lever and rocking lever is connected with drive lever by means of hinge link. EFFECT: higher reliability of design due to provision of optimal stroke of knife and its trajectory close to rectilinear. 1 dwg