| 摘要 |
<P>PROBLEM TO BE SOLVED: To permit a thread to be surly caught by a thread catching hook of a needle, and a stitch to be formed in a space inside a sewing machine head. <P>SOLUTION: A method of forming a single thread lock sewing hand stitch, comprises: forming a hand stitch seam on a front face of a body to be sewn and a lockstitch seam on a back face thereof as a skip stitch set in an interlocking fashion with a crocket needle 13, a hook 200 composed of an oscillating inner hook 205 installed in a rotating outer hook 202, and a thread draw operator 401; feeding the body to be sewn by a stitch pitch for the hand stitch seam by a feed dog 601 in a first stroke of the crochet 13; and feeding the body to be sewn by an inter-stitch pitch for a space between the hand stitch seems by the feed dog 601 in a second stroke of the crochet 13. <P>COPYRIGHT: (C)2013,JPO&INPIT |
