| 摘要 |
PROBLEM TO BE SOLVED: To provide a device that does not require a driving source such as a solenoid for exchanging a separation flapper, automatically and certainly exchanges a conveying passage, and has higher productivity. SOLUTION: An automatically document conveying device 2 can separate and feed documents P one by one, and comprises a document feeding passage (opening) branching to a first path 85 and a second path 86 and merging in the conveying passage of the document and an exchanging means that exchanges the first path and the second path in the feeding passage (opening) and comprises the separation flapper 80, an oscillation flapper 81, tension springs 90, 91. The exchange by the exchanging means is performed with the documents P proceeding in the conveying passage.
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