Developing device for preventing toner leakage
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United States of America Patent
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Jul 29, 2014
Grant Date -
May 2, 2013
app pub date -
Aug 30, 2012
filing date -
Aug 31, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A developing device is capable of preventing developing agent from leaking from a developing frame of a developer cartridge. The developer cartridge includes a developing agent carrying member, a layer thickness regulator, and a first seal positioned between the developing agent carrying member and the layer thickness regulator. The regulator includes a plate member provided with a projecting portion. The projecting portion has a laterally outer end portion positioned inward of laterally outer end portion of the first seal.
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