Developing apparatus and image forming apparatus having the...

Details Developing apparatus and image forming apparatus having the... Developing apparatus and image forming apparatus having the...

2006-10-24

2008-12-30

Tran, Hoan H (Department: 2852)

Electrophotography

Image formation

Development

C399S258000

Reexamination Certificate

active

07471920

ABSTRACT:
There is provided a developing apparatus wherein supplied toner is dispersed properly with agitation so that toner is electrically charged evenly with a constant concentration. The developing apparatus includes a developer container for housing therein a developer containing toner and carrier; a developer carrying body for holding the developer; and agitating/conveying members for conveying the developer with agitation along an axis direction of the developer carrying body. The developer container includes a development region facing the developer carrying body and an extension region formed adjacent in the direction of the developer carrying body in the development region. Also disposed therein is a developer-flow blocking plate acting as a partition between the development region and the extension region.

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