| 摘要 |
PROBLEM TO BE SOLVED: To prevent an ink blot or flaws from being caused by eliminating wrinkles or loosening in a conveyor belt for conveying a sheet printed on front-back both surfaces by a printing part while supporting and receiving it from a lower part by the conveyor belt traveling at the same speed as a conveyor chain. SOLUTION: A paper ejection device of a double-sided sheet printing machine wherein the sheet P printed on front-back both surfaces by the printing part is supported and received from the lower part by the conveyor belt 5 to be loaded on a paper ejection part, is provided with a drive motor 17 for driving the conveyor belt 5 on a tip end side in a conveying direction of the conveyor belt 5. COPYRIGHT: (C)2007,JPO&INPIT
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