Developing device, process cartridge, and image forming apparatus

A developing device includes a developer agitation portion including a plurality of trap agitation blades arranged in an axis direction of the developer agitation portion. A plurality of agitation blade portions is arranged with being shifted from one another in a circumferential direction and a lon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Nakamura Fumiaki, Miyakawa Takahiro
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A developing device includes a developer agitation portion including a plurality of trap agitation blades arranged in an axis direction of the developer agitation portion. A plurality of agitation blade portions is arranged with being shifted from one another in a circumferential direction and a longitudinal direction of the developer agitation portion. Two adjacent trap agitation blades constituting the agitation blade portion are arranged at an angle so as to make a space between the two adjacent trap agitation blades gradually wider upstream with respect to a rotation direction of the developer agitation portion.