Electrophotographic image forming apparatus and process cartridge
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United States of America Patent
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Aug 4, 2015
Grant Date -
Feb 28, 2013
app pub date -
Aug 10, 2012
filing date -
Aug 22, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An electrophotographic image forming apparatus for forming an image on a recording material includes an electrophotographic photosensitive member (drum); a developer carrying member; a cleaning blade for cleaning the drum; a developer seal member of a peripheral surface seal type, provided at an end portion of the developer carrying member, for preventing leakage of the developer; and a developer retaining member provided at an end portion of the cleaning blade. With respect to a longitudinal direction of the drum, the developer seal member is disposed in a region where the cleaning blade is provided, an inside end position of the retaining member is located at the same position as or inside an inside end position of the developer seal member, and an outside end position of the retaining member is located at the same position as or outside an outside end position of the developer seal member.
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