PROBLEM TO BE SOLVED: To mechanize the parallelizing operation of nursery boxes. ;SOLUTION: This device is composed of a bottomless traveling frame body 4 having a rectangular shape when viewed horizontally and traveling on rails 2 provided on a mounting place 1 in a longitudinal direction, a mounting movable frame 7 freely movable in a lengthwise direction on the traveling frame body 4 capable of mounting the nursery boxes A, a left supply part 24 and a right supply part 25 provided on the upper position of the traveling frame body 4 on both left and right sides of the rail 2 capable of supplying the nursery boxes A to the mounting movable frame 7 one by one and a stopper provided on the lower part of the respective left supply part 24 and right supply part 25 for allowing the mounting movable frame 7 to pass through it but not allowing the nursery boxes A to pass through it set on the mounting movable frame 7. The mounting movable frame 7 is moved back and forth alternately on the left side and right side of the rail 2.;COPYRIGHT: (C)1997,JPO
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