Developing device, process cartridge and image forming apparatus
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United States of America Patent
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May 12, 2015
Grant Date -
Jan 23, 2014
app pub date -
Sep 24, 2013
filing date -
Sep 28, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A developing device includes: a first conveying unit provided within a developing agent storage chamber and that is configured to convey a developing agent from one end of the developing agent storage chamber to another end of the developing agent storage chamber in a longitudinal direction of a developing agent carrier that is disposed with in a developing chamber and to supply the developing agent from the developing agent storage chamber to the developing chamber; a second conveying unit provided within the developing chamber and that is configured to convey the developing agent from the other end of the developing chamber to the one end of the developing chamber in the longitudinal direction and to supply the developing agent toward a developing agent carrier; and a third conveying unit provided between the one end of the developing agent storage chamber and the one end of the developing chamber.
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