A conveyor device (100) includes a conveyor track (11, 12, 13) and a plurality of transport units conveyable along the conveyor track (11, 12, 13), at least two first guide rollers (2.1-2.7) and a conveyor chain (3), which travels over the at least two first guide rollers (2.1-2.7) and comprises catches (31), via which the conveyor chain (3) can be brought into releasable engagement with the transport units (8) for driving the transport units (8), the conveyor device (100) further including a belt (4) moving along with the conveyor chain (3) over the at least two guide rollers (2.1-2.7), wherein the belt (4), in the respective area of the first guide rollers (2.1-2.7), is arranged, respectively, between the first guide roller (2.1-2.7) and the conveyor chain (3) such that the conveyor chain (3) lies against the belt (4).