Charging device, and process cartridge and image forming apparatus including the charging device using the same
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United States of America Patent
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May 15, 2007
Issued Date -
N/A
app pub date -
Mar 30, 2006
filing date -
May 12, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A charging device including a charging roller having a metal cylinder and an elastic layer located thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller which is rotatably mounted on the driving shaft. The cleaning roller is made of a non-cellular foam resin having a density of from 5 to 15 kg/m.sup.3 and a tensile strength of from 1.2 to 2.2 kg/cm.sup.2.
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