Developing apparatus and image forming apparatus

Details Developing apparatus and image forming apparatus Developing apparatus and image forming apparatus

2006-05-25

2009-12-08

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S119000, C399S111000, C399S260000, C399S258000

Reexamination Certificate

active

07630670

ABSTRACT:
In a developing apparatus provided with a developer container containing a developer, a rotary member holding the developer container and rotatively moving it relative to a developing position, an opening portion provided in the developer container and through which the developer is supplied or discharged, a valve swingable to open and close the opening portion, and a restricting wall restricting the movement of the valve in an opening direction by contacting with the valve when the valve is in an opened position, an irregularity portion is provided on at least one of the contact surface of the valve with the restricting wall and the contact surface of the restricting wall with the valve.

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