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    • 6. 发明专利
    • PAPER INVERTING DEVICE
    • JPH11255394A
    • 1999-09-21
    • JP5637398
    • 1998-03-09
    • MATSUSHITA ELECTRIC IND CO LTD
    • ARAKI YOSHIHISA
    • B65H29/58B65H29/60G03G15/00
    • PROBLEM TO BE SOLVED: To provide a compact and low-cost paper inverting device which can make inversion without dropping the continuous copying speed at the time of inversion. SOLUTION: The body 1 of an image forming device is equipped with a paper emerging roller 2, and a sheet inverting device 3 having a paper conveying path changeover means is installed downstream of the paper exhaust roller 2, and a first conveying roller couple 6 is installed downstream of the first conveying path 9 of the changeover means while a second conveying roller couple 12 (12a, 12b) is installed downstream of the second conveying path 10 of the changeover means, and further a third conveying path 13 is furnished to tie the second conveying roller couple 12 to the first conveying roller couple 6, wherein the second conveying roller couple 12 is rotatable in both directions and can be separated and contacted, and the pressing is disengaged after the leading edge of the paper fed from the second conveying roller couple 12 bites in the first transport roller couple 6, and pressing is generated when the trailing edge of the paper has gone away from the second conveying roller couple 12. Thus an inversion control free of dropping the continuous copying speed can be conducted.