| 摘要 |
PURPOSE:To enable slant travelling of blanks to be corrected and prevent the blanks from being slantly folded, by providing a means for temporarily releasing the nip of the blank from one of a pair of folder rolls for feeding the blanks to a chute. CONSTITUTION:A stopper portion 1a is provided on the upper portion of a chute 1 installed vertically, and below the chute are provided folder rolls 3, 4 for feeding blanks 2 into the chute 1 and a folder roll 5 contacting one 4 of these rollers for folding the blank 2. In this case, the other folder roll 3 is supported pivotably on the lower end side of a lever 7 connected pivotably to a support shaft 6, and to the lower end side of the lever 7 is connected a drive means 10 through a link 10. And the other folder roll 3 is separated from one folder roll 4 by the drive means 10 so that the nip of a blank 2 is temporarily released to correct the slant travelling of the blank 2. |
