Looper and cam assembly for chain stitch sewing machine

摘要

A hand operable chain stitch sewing machine including a pivoted cam and looper assembly with a limited axial position has the looper mounted on the cam so as to deflect axially away from the cam when engaged by the needle of the machine and leave the cam in its limited position wherein cam tracks and a gate therefor are disposed for cooperation with an actuator for the pivoted assembly and a gate spring respectively.