Sheet feeding device and image forming apparatus
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United States of America Patent
Stats
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Apr 26, 2011
Grant Date -
Oct 1, 2009
app pub date -
Mar 23, 2009
filing date -
Mar 28, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A sheet feeding device is provided. The sheet feeding device includes a sheet holder to hold a sheet in a position to be fed, a feed roller to pick up the sheet, a first lifter to move a closer portion of the sheet holder by one of a front end and a rear end thereof, a second lifter to move a further portion of the sheet holder by one of a front end and a rear end thereof, and a coordinating system to move the first lifter and the second lifter in cooperation with each other to move the overall sheet holder in a direction to be closer to the feed roller, wherein an amount of the sheet holder to be moved by the first lifter is greater according to a constant rate with respect to an amount of the sheet holder to be moved by the second lifter.
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