| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a conveying device for each grade including a conventional free tray fruit-grading facility and receiving fruits sorted for each grade is provided with a motor or the like which makes the upper surface of the conveying device for each grade horizontal and drives the entire conveyor of the conveying device with the result that the driving device is made huge, and a configuration is complicated so that gates should be provided at two places in a boxing section, that is, the entrance and the exit thereof.SOLUTION: A free tray fruit-grading facility is provided with a lifting/lowering device 31 for a final end conveyor 23 including the conveying final end 21e of a conveying device 21 for each grade. The facility has a control configuration in which the final end conveyor 23 is lowered by an operation performed by a user, and the position of the conveying final end 21e is made lower than the tray receiving base 6c of a boxing section 6. |
