| 摘要 |
PROBLEM TO BE SOLVED: To provide a needle plate for a sewing machine in which the quantity of a looper thread drawn out is large, so that an excellent and beautiful double chain stitch seam can be formed even when the seam with a narrow width is sewn in a double chain stitch sewing machine utilizing a conventional three-needle double chain stitch sewing machine to select and sew a two-needle double chain stitch seam with a wide width or a narrow width. ! SOLUTION: A needle plate for forming a two-needle double chain stitch seam includes: three needle locations (a left needle location 3a, middle needle location 3b and right needle location 3c) which are arranged at equal intervals in a direction orthogonal to a cloth feeding direction F, and through which needles 2 and 2 pass from above; three grooves 4a, 4b and 4c formed from the respective three needle locations (the left needle location 3a, middle needle location 3b and right needle location 3c) in the cloth feeding direction F; and two claws (a left cl |
