Patent ID: 8789687

Claim:
A belt tracking control device for a conveyor device, the conveyor device having a first roller and a second roller and a first traction element and a second traction element, wherein the first traction element is guided over the first roller and wherein the first traction element has a first edge region which extends from a side edge of the first traction element in the direction of the width thereof, wherein the second traction element is guided over the second roller and has a second edge region which extends from a side edge of the second traction element in the direction of the width thereof, wherein: an inner double guide roller is provided and positioned in contact with the first and second traction elements to deflect the first edge region from first movement plane in which is disposed an adjacent region of the first traction element and to deflect the second edge region from a second movement plane in which is disposed an adjacent region of the second traction element.