Sheet stack ejecting apparatus, image forming apparatus, and sheet stack processing apparatus
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United States of America Patent
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Aug 14, 2007
Issued Date -
N/A
app pub date -
Mar 29, 2004
filing date -
Jul 16, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
It is intended to provide a sheet stack ejecting apparatus, an image forming apparatus and a sheet stack processing apparatus applicable to ejection of a sheet stack while ejection errors are prevented by reducing disorderliness of ejected sheets of paper. A sheet ejecting apparatus 10 carries and ejects a sheet stack by holding the sheet stack with an ejecting roller pair 10 that consists of a top roller 21 and a bottom roller 22. The sheet ejecting apparatus 10 further includes a motor 24 for shifting the top roller 21 to switch between pressing state and separated state with respect to the ejecting roller pair 15 and a controller 20 for controlling the motor 24. The controller 20 works as ejection means that makes the ejecting roller pair 15 pressing state so as to eject a sheet stack and as separation means that makes the ejecting roller pair 15 separated state before a back end of a sheet stack escapes from nips of the ejecting roller pair 15 by using the motor 24.
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