| 摘要 |
A sheet feeding device which blows air to placed sheets, separates and conveys the sheets includes a sheet containing portion which contains the sheets, an air blowing portion which blows air to the sheets contained in the sheet containing portion, and an air supply unit which supplies air to the air blowing portion. The air supply unit is constituted by connecting two or more centrifugal fans, and the air blown out from an upstream side fan in an air flow passage is sucked by an adjacent downstream side fan via a spiral flow passage.
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