A driving device of a conveyor device such as an intake finger assembly of an auger of a harvesting device includes a feeder aid disposed in an interior of the conveyor device, a swivel bearing for supporting the feeder aid on a control shaft, a first fastening section assigned to the swivel bearing, and a second fastening section. The second fastening section is disposed at a distance from the first fastening section, between which a predetermined breaking point is disposed on the feeder aid. The first fastening section and the second fastening section are interconnected by a resiliently elastic connecting element.