| 摘要 |
An air cart (10) for use in an agricultural seeder includes a frame (12), a material tank (14, 16) carried by the frame (12), a first arm (40) pivotally coupled with the frame (12), a conveyor (32) coupled with the first arm (40) for conveying material to the tank (14, 16) and a hydraulic positioning system coupled with the conveyor (32) for automatically moving the conveyor (32) to a selected one of a plurality of predetermined positions. |
