Conveyor has rollers with tubular core surrounded by outer sleeve which can be inflated to increase its diameter so that roller rolls and moves articles on conveyor forward, after which it is deflated

摘要

The conveyor has rollers with a tubular core (5). This is surrounded by an outer sleeve (1) which can be inflated to increase its diameter so that the roller rolls and moves articles (2) on the conveyor forward. It is then deflated and the process is repeated.