Developer container unit, developing apparatus, and process cartridge

Developer container unit, developing apparatus, and process cartridge

A developer container unit to be mounted in an image forming apparatus that performs an image forming operation comprises a frame and a sealing unit. The frame is provided with a developer containing chamber containing developer and an opening for discharging the developer from the developer contain...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Matsuzaki, Hiroomi, Nonaka, Fumito, Ogino, Hiroki, Uratani, Shunsuke, Yamaguchi, Koji
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A developer container unit to be mounted in an image forming apparatus that performs an image forming operation comprises a frame and a sealing unit. The frame is provided with a developer containing chamber containing developer and an opening for discharging the developer from the developer containing chamber. The sealing unit includes a shaft member rotatable about a rotational axis and a sealing portion attached to the shaft member and compressed by the shaft member and the frame to seal the opening. The sealing unit is rotatable to a close position at which the sealing portion seals the opening, a first open position at which the opening is open, and a second open position at which the opening is open. The sealing unit agitates the developer by executing a reciprocating motion between the first and second open positions during the image forming operation.