Conveyor with rollers driven by a friction ring

摘要

Each roller comprises a friction ring 8 of internal diameter greater than the external diameter of each roller 4. A belt 11 is constantly applied against the exterior of the ring 8 which rotates even if the roller 4 is stopped for example by a braking pad 17. The latter is driven by an electromagnet 14 acting on a lever 15. Goods handling. <IMAGE>