| 摘要 |
<p>The drive cylinder is mounted on a motor shaft. A fork is mounted on the axle parallel to the cylinder, connects witha support on the end of the spindle which carries the thread. The end of the thread comes into contact with the hook mounted on the endplate of the cylinder. The cutter is used for cutting the thread. The spindle has a friction roller which drives the horizontal disc and the cam. The cam controls the motion of the lever which engages in the slot. The end of the lever guides the thread over the bobbin.</p> |
