| 摘要 |
A sheet feeder includes a cassette for storing a stack of sheets and pushing up the sheets, a main body case having a port through which the cassette is detachably attached, and a feeding mechanism for feeding each sheet in a feeding direction. The feeding mechanism includes a roller shaft disposed above the cassette attached to the internal place of the port and extending perpendicularly to the feeding direction from a side wall of the case, a pickup roller rotated for taking out the uppermost sheet, and a rise-spoiling member attached to the roller shaft, for spoiling a rise of the sheets when the cassette is withdrawn from the port. Particularly, the rise-spoiling member extrudes downward to a position below an upper edge of the port and extends from the pickup roller to the vicinity of the side wall of the case.
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