Abstract: Conveyor device for a storage plant, comprising a lower truck 23, which in order to receive and store load units is equipped with at least two translation platforms 27, 28 that are operable independently of one another.The lower trucks 23, which are carried through the "hucke-pack" system by a respective bearing truck 24, are movable away from and to the bearing trucks 24 on sliding rails 25, 26 in the storage shelves 4 and positioned directly below the load units. A respective bearing truck 24 and lower truck 23 carried thereby form all together a horizontal conveyor unit which in any case with a load unit from the hoist or elevator 8 is transported between the floors 3 and transfer station 9 and is freely movable independently of the same in such floors 3.