| 摘要 |
<p>A sewing machine is provided with a needle bar movable substantially vertically and capable of being pivoted laterally about a horizontal axis, a crank mechanism for operating the needle bar connected to a drive shaft, a thread hooking means beneath the needle bar, a shuttle mechanism operable in conjunction with the needle bar to form a stitch, and a reciprocable cloth feeding means in which lateral pivoting of the needle bar and/or the feeding movements effected by the cloth feeding means is or are produced by a code converter for converting a variable binary code to mechanically controlled movements determined by setting means and drive means arranged in the converter.</p> |
