Developer delivering device and image forming apparatus

Details Developer delivering device and image forming apparatus Developer delivering device and image forming apparatus

2009-08-28

2011-10-11

Chen, Sophia S (Department: 2852)

Electrophotography

Cleaning of imaging surface

Having handling of removed material

C399S256000

Reexamination Certificate

active

08036586

ABSTRACT:
The developer delivering device includes a first delivering path, a second delivering path, a helical delivering blade disposed in the second delivering path, and a developer breaking member disposed in a connecting portion of the first delivering path and the second delivering path. The developer breaking member includes a breaking portion disposed opposite to a side wall of the second delivering path in a developer delivering direction of the second delivering path, a contact portion that is in contact with the helical delivering blade and extended in the developer delivering direction between the breaking portion and a center of the rotation of the helical delivering blade, and a coupling portion. The breaking portion has a first breaking portion and a second breaking portion. The contact portion has a first contact portion and a second contact portion. The coupling portion couples the first contact portion to the second contact portion.

REFERENCES:
patent: 5933690 (1999-08-01), Sugimoto et al.
patent: 7221880 (2007-05-01), Jeong et al.
patent: 2008/0118290 (2008-05-01), Sato
patent: 2007-279264 (2007-10-01), None
patent: 2007-310410 (2007-11-01), None
patent: 2008-129345 (2008-06-01), None
patent: 2008-268574 (2008-11-01), None

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