| 摘要 |
A sheet feeding device which feeds a sheet by loosening a sheet by loosening sheets by blowing air to the end portions of the sheets, comprising: a sheet tray provided to be capable of lifting up/down supporting the sheets; air blowing means which loosens the sheets by blowing air to the end portion at the topside of the sheets supported by the sheet tray; and a pair of restricting members which restricts both end portions in the direction perpendicular to the sheet feeding direction of the sheet with sheet opposing faces opposing the end portions of the sheets, wherein the interval between the sheet opposing faces at the top side of the pair of the restricting members is set larger than the interval between the sheet opposing faces below the position in which air is blown to the sheets with the air blowing means.
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