Electrophotography – Image formation – Development
Reexamination Certificate
2007-10-16
2007-10-16
Chen, Sophia S. (Department: 2852)
Electrophotography
Image formation
Development
C399S012000, C399S027000, C399S088000, C399S120000, C399S258000
Reexamination Certificate
active
11178480
ABSTRACT:
A toner container installed in an image forming apparatus, the toner container including a toner container main body having a predetermined length and which accommodates toner, a mixer which stirs the toner in the toner container main body, a discharge port through which the toner in the toner container main body is discharged from the toner container main body, a screw having one end projected from one end surface of the toner container main body, the screw being rotated to convey the toner from the toner container main body to the discharge port, a coupling portion provided at the one end of the screw and rotated by a driving portion provided in the image forming apparatus, and a protruding portion provided on an outer peripheral surface of the coupling portion.
REFERENCES:
patent: 6256469 (2001-07-01), Taniyama et al.
patent: 6266505 (2001-07-01), Ban et al.
patent: 6343883 (2002-02-01), Tada et al.
patent: 2004/0131389 (2004-07-01), Tazawa et al.
patent: 2005/0135842 (2005-06-01), Murakami et al.
patent: 2006/0013621 (2006-01-01), Kimura et al.
patent: 2002-174946 (2002-06-01), None
Amano Takafumi
Iizuka Hiroyuki
Chen Sophia S.
Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
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