| 摘要 |
<p>A winching and drawing machine comprising a drive shaft 1 for driving a load sheave 10, a pressure receiving member 2 fitted onto the drive shaft 1, brake plates 3 installed in contact with the pressure receiving member 2 and fitted onto the drive shaft 1, a pawl wheel 4 interposed between the brake plates 3, a drive member 5 screwed on the drive shaft 1 so as to be pressed to and separated from the brake plates 3, an idler spring 6 installed between the drive shaft 1 and the drive member 5, and a lever 24, and characterized in that a stopper 7 engaging with the drive shaft 1 is provided at an end face of the drive member 5 and an idler grip 8 is fixed on an outer face of the stopper 7. Lever latching means at a drive-shaft end of the winching and drawing machine has the function of adjusting the chain length, and the winching and drawing machine includes a small number of parts, and is small-sized, lightweight and inexpensive. <IMAGE></p> |
