Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryota Fujioka0
Date of Patent
June 24, 2008
0Patent Application Number
112813970
Date Filed
November 18, 2005
0Patent Primary Examiner
Patent abstract
A developing apparatus of this invention includes development units each including a developing powder accommodating unit for accommodating developing powder, a screw which agitates and conveys developing powder and a developing powder bearing member which bears developing powder to develop an image and a developing powder supply unit which supplies developing powder to the developing powder accommodating unit and develops an electrostatic latent image formed on an image bearing member at a development position. The developing powder supply unit supplies developing powder to a lower area than a screw in the vertical direction of the developing powder accommodating unit in the time the development unit has been in the developing position.
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