DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

A developing device includes a container containing developer, into which toner is supplied from a supply port provided in the upper part of the container; and a rotary member disposed so as to oppose the supply port and having a projection on the circumference thereof, the rotary member transportin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YOSHIOKA, Sakae
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A developing device includes a container containing developer, into which toner is supplied from a supply port provided in the upper part of the container; and a rotary member disposed so as to oppose the supply port and having a projection on the circumference thereof, the rotary member transporting the developer and accumulating the developer in the supply port when the level of the surface of the developer inside the container is higher than or equal to a threshold height, and the rotary member transporting the toner from the supply port to the container through a path formed between the rotary member and the container by pushing the toner with the projection when the level of the surface is lower than the threshold height.