A driving device for a grinder, and corresponding grinder

摘要

This driving device for a grinder comprises a toothed ring (10), at least two driving assemblies (12) for the toothed ring. Each driving assembly comprises an electric motor (14) and a reduction gear unit (16). The driving device (8) comprises safety means suitable for preventing the starting of all the driving assemblies when at least one driving assembly is unavailable. Single figure.