| 摘要 |
<p>Conveyor including a bed (112) having a first end and a second end, wherein a belt (110) is slidable on the bed. The bed comprises two curves (352, 364) at each end. At the end of the bed, the belt does not contact any roller. The belt is connected to a drive chain. The chain is driven by a screw which engages pins of the chain.</p> |
