US Patent 8627765 Baling device to form bales of crop material

The invention relates to a baling device for forming cylindrical bales of crop material, including a frame, an intake device, a bale forming device, and a pre-baling device to form, when desired, a pre-bale, wherein the pre-baling device includes a lower conveyor belt and an upper conveyor belt, between which a pre-bale can be formed. At least one of the lower and upper conveyor belt is movable to and from the other of the lower and upper conveyor belt, wherein the baling device can at least be arranged in a baling position in which crop material is transferred to the bale forming device, and a pre-baling position in which crop material is received in the pre-baling device to form a pre-bale.