Patent ID: 9439346
Filing Date: 2016-09-13
CPC Classification: A01D

Claim Text:
1. A harvester for potatoes, beets and other root crops, comprising: digging shares arranged in a leading position in a travel direction of the harvester; a screen conveyor receiving a harvested mix and conveying the harvested mix in a conveying direction opposite to the travel direction; wherein the screen conveyor comprises at least one screen conveyor belt and guide elements supporting laterally the at least one screen conveyor belt; wherein the at least one screen conveyor belt has at least one upwardly facing conveying stretch; wherein the screen conveyor further comprises a leading return pulley proximal to the digging shares; wherein the at least one conveying stretch forms a screening zone and the screening zone, at least adjacent to the leading return pulley, is adapted to be oriented so as to ascend in the conveying direction; wherein the at least one conveying stretch is comprised of conveying stretch sections and said conveying stretch sections are adjustable relative to each other to different conveying slants; wherein the screen conveyor further comprises an adjusting device engaging lateral edges of the at least one conveying stretch, wherein the lateral edges are positioned opposite each other in a transverse direction transverse to the conveying direction; wherein the screen conveyor further comprises at least two support sections extending one after another in the conveying direction, wherein the guide elements are secured on the at least two support sections, respectively; wherein the at least two support sections comprise sides that are facing each other in the conveying direction and the sides that are facing each other each have a first end and a second end, wherein the first ends of the sides that are facing each other are pivotably connected to each other by a common pivot joint and wherein the second ends of the sides that are facing each other are operatively connected to the adjusting device, respectively, and the adjusting device is configured to move the second ends relative to each other so that the first ends rotate relative to each other about the common pivot joint.