Harness, Dickey & Pierce, P.L.C.
Developing device, and image forming apparatus and process cartridge incorporating same
A developing device includes a developer bearer including a magnetic field generator, a developer regulator disposed opposite the developer bearer across a regulation gap, a developer containing compartment disposed below the developer bearer, and a conveying screw disposed in the developer containing compartment and including a shaft having a diameter greater than a radius of the conveying screw. On a cross section perpendicular to an axial direction of the conveying screw, a developer scooping pole of the magnetic field generator to scoop the developer from the developer containing compartment onto the developer bearer is disposed between the regulation gap and a bisector dividing an angle extending from a first line, which connects a center of the developer bearer and a center of the conveying screw, to a second line, which connects the center of the developer bearer and the regulation gap, in a rotation direction of the developer bearer.
Ricoh Company, Ltd.
G G G
G03G G03G G03G
inventional inventional inventional
Ichiro Keiichi Shinji Hiroshi Shunji
Kadota Yoshida Tamaki Hosokawa Katoh