Automatic threading apparatus on a sewing machine

摘要: In the automatic threading device for sewing machine, treading rod is lowered and rotated, hook automatically inserted into through needle eye. However, if presser-foot detector detects lowered, prohibited from being operated. Alternatively, operation sewing-machine motor operated, Consequently, even operator by mistake presses switch during when presser foot or operates, driven. Therefore, prevented damaged. The can be provided on front panel of near start-stop in any other easily accessible position.