| 摘要 |
PURPOSE:To quickly exhaust forage crops by forming the mechanical wall of a rear side in a bed on the door which is a switchable door. CONSTITUTION:A hydraulic jack 44 which is expanded and contracted by manual operation is provided between the front end of a beam 41 and the frame 30 of a car body a. The bottom portion of the bed 5 is supported on the turning end portion of this lift mechanism. This bed is formed to be a slanting plate which is slanting downward to the rear at an angle in which forage crops flow down naturally in the bottom plate of the bed. Further, the mechanical wall 51 of the rear side is formed separate from the main body of the bed, and it is assembled to make the door which is opened and closing the entire rear side of the bed 5, and it is fixed to the closed position by a lock device 6. |
