Draper belt system with frame pivot joint and roller sharing same axis

A harvester header, comprising:

• a central draper frame;
• a wing draper frame pivotally coupled to the central draper frame at a pivot joint, the pivot joint comprising a central longitudinal axis about which rotation at the pivot joint occurs;
• and
• a draper belt assembly comprising a first roller rotatably coupled to the central draper frame, a second roller rotatably coupled to the wing draper frame, a third roller rotatably coupled between the central and wing draper frames, and a single draper belt looped around the first, second and third rollers;
• wherein the third roller comprises a central longitudinal axis about which the third roller rotates;
• and
• wherein the central longitudinal axis of the third roller is the same as the central longitudinal axis of the pivot joint.

A harvester, comprising:

• a header comprising:
• a first draper frame pivotally coupled to a second draper frame at a pivot joint, the pivot joint comprising a central longitudinal axis about which rotation at the pivot joint occurs;
• and
• a draper belt assembly comprising a first roller rotatably coupled to the first draper frame, a second roller rotatably coupled to the second draper frame, and a third roller rotatably coupled between the first and second draper frames, the third roller comprising a central longitudinal axis about which the third roller rotates;
• wherein the central longitudinal axis of the third roller is the same as the central longitudinal axis of the pivot joint;
• and
• wherein the draper belt assembly comprises a single draper belt looped around the first, second and third rollers;
• and
• a processing system configured to process crop introduced into the processing system from the draper belt assembly.