Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenshi Matsui0
Date of Patent
December 14, 2010
0Patent Application Number
122337860
Date Filed
September 19, 2008
0Patent Primary Examiner
Patent abstract
A developing apparatus is provided with: a developing roller; and a recovering roller that is arranged so as to oppose the developing roller, recovers scattered toner, and stores negatively chargeable toner, wherein the recovering roller has its surface coated with a fluorine resin or a silicone resin, and is provided with a blade that removes the scattered toner, and a difference (A−C) between a work function (A) of the resin and a work function (C) of the blade is greater than or equal to 0.10 eV.
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