Developing apparatus, process cartridge, and...

Electrophotography – Internal machine environment – Particle or contaminant control

Reexamination Certificate

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C399S105000, C399S284000

Reexamination Certificate

active

06978099

ABSTRACT:
The present invention relates to a developing apparatus for developing an electrostatic latent image formed on an electrophotographic photosensitive drum using a developing agent, including a developing agent carrier for supplying the developing agent to the photosensitive drum to develop the electrostatic latent image formed on the photosensitive drum, a layer thickness limiting member for limiting the layer thickness of the developing agent carried on a surface of the developing agent carrier, the layer thickness limiting member being disposed with a gap to the developing agent carrier, a sealing member for restricting the developing agent from leaking out of an end in a longitudinal direction of the developing agent carrier, and an elastic member arranged in contact with the developing agent carrier to prevent the gap between the developing agent carrier and the layer thickness limiting member from changing upon bending of the developing agent carrier. The elastic member is in contact with the developing agent carrier at an outer position with respect to a position at which the sealing member is disposed.

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