Sheet feeder device and image forming apparatus
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Oct 26, 2016
filing date -
Nov 11, 2015
priority date (Note) -
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Abstract
A sheet feeder device includes: a sheet feed tray configured to store a sheet stack formed with a plurality of paper sheets; an elastic member capable of expanding and contracting; a contact mechanism configured to bring the elastic member into contact with an edge of the sheet stack; an expansion mechanism configured to expand the elastic member in a direction of stacking of the paper sheets; and a control unit configured to cause the expansion mechanism to expand the elastic member while the elastic member is kept in contact with the edge of the sheet stack by the contact mechanism.
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