Sheet feeding apparatus and image forming apparatus
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United States of America Patent
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Dec 29, 2015
Grant Date -
Jan 1, 2015
app pub date -
Jun 25, 2012
filing date -
Jun 24, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A sheet feeding roller 101 which feeds a sheet stacked on a sheet supporting plate 110 capable of being lifted and lowered is supported by a support portion as being linearly movable in an up-and-down direction, and a roller biasing member applies a force to the support portion in a direction in which the sheet feeding roller is pressed to s sheet stacked on the sheet supporting plate. A biasing direction 101b of the sheet feeding roller due to the roller biasing member is set within a range between a normal line of the sheet feeding roller at the upstreammost pressing position against the sheet feeding direction and a normal line of the sheet feeding roller at the downstreammost pressing position out of the pressing positions where the sheet feeding roller is pressed to the sheet as being varied in accordance with a sheet stacking state of the sheets.
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