| 摘要 |
<p>A spiral conveyor system utilizing an endless flat belt (12) is disclosed. The belt (12) travels in an endless path which includes a spiral portion. The belt is primarily driven in the spiral portion by a frictional engagement between the belt (12) and a rotating driving element (14). The frictional engagement results from a combination of a tension induced in the belt (12) by a secondary drive and a magnetic force between the rotating driving element (14) and the belt (12). <IMAGE></p> |
