Roller and conveying device with the same

摘要

The present disclosure provides a roller and a conveying device. The roller includes an inner circle, an outer circle, and an inflatable cushion arranged between the inner circle and the outer circle with the volume thereof changing as air charge inflated thereinto changes. by adjusting the air charge of the inflatable cushion, the outer diameter of the roller is increased as the air charge inflated into the inflatable cushion increases, at the same time, the conveyor surrounding the exterior of the roller is tightened to increase the tension degree of the conveyor without disassembling other mechanisms of the conveying device, which is simply operated to be capable of saving labors and time.

主权项

1. A conveying device having a roller, the roller comprising:
an inner circle; an outer circle; and an inflatable cushion configured between the inner circle and the outer circle and a volume of the inflatable cushion changing as air charge inflated thereinto changes;further comprising a conveyor surrounding an exterior of the outer circle.