1. The winding drum is powered by a small steam engine, operating through a worm-wheel and gear.

2. This control effect can be got by designing the size of pokedwheel, using the self locking character of worm wheel and worm pole and connecting the pawl mechanism with overtravel limit switch.

3. Athree-phase A. C. motor is adopted in this machine to drive, through a worm wheel reducer box and a V-belt, the guilder which drives the cloth swing trunk by a pair of gears.