Patent ID: 6688246
Filing Date: 2004-02-10
Classification: D05B

Abstract:
A loop holding device of a chain stitch sewing machine comprising:a needle for penetrating through a cloth on a throat plate to be vertically moved interlockingly with a main spindle of the sewing machine, thereby holding a needle thread; a cloth presser provided on the throat plate and serving to press the cloth; a looper having a looper thread for reciprocating in such a direction as to cross a cloth feeding direction below the throat plate interlockingly with the main spindle of the sewing machine; a main feed dog for feeding a loop formed by the needle thread and the looper thread in cooperation of the needle and the looper rearward in the cloth feeding direction; and a loop engagement member for upward protruding from an upper surface of the throat plate and engaging the loop when the main feed dog is descending from the upper surface of the throat plate.