| 摘要 |
PURPOSE: A sewing machine is provided to inhibit vertical movement by drawing a needle zonde and to prevent hitch stitch. CONSTITUTION: A sewing machine(100) comprises: a needle zonde(12) which vertically moves along Z axis; a needle vertical moving device(20) for vertically moving sewing needles by a sewing machine motor(21); a needle zonde rotation device(30) for rotating the needle zonde along Z axis; and bobbin case(13) for twisting thread. |
