| 摘要 |
In a mobile agricultural machine large cylindrical bales are formed from crop material picked up from the ground and fed to a baling zone between upper and lower bale-forming belt conveyors. In the lower generally horizontal conveyor, a plurality of side-by-side flat endless belts are trained around fixed forward and rear rollers and a belt tensioning idler roller, adjacent to but forward of and below the rear roller. A series of radially extending disks mounted on and concentric with the idler roller space the belts and control their tracking on the rollers.
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