Developing device and image forming device including a seal...

Details Developing device and image forming device including a seal... Developing device and image forming device including a seal...

2006-08-24

2010-02-23

Gray, David M (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S105000, C399S274000

Reexamination Certificate

active

07668481

ABSTRACT:
A regulating member includes a protrusion protruding from a supporting member toward a developing roller. The length of the supporting member in the longitudinal direction is longer than the length of the protrusion in the longitudinal direction. A seal member includes an extending portion extending from a space for carrying developing agent. The extending portion is turned backward along an end of the regulating member with respect to the longitudinal direction thereof toward the supporting member.

REFERENCES:
patent: 5134960 (1992-08-01), Shirai
patent: 5697021 (1997-12-01), Watanabe et al.
patent: 6181897 (2001-01-01), Kawai
patent: 6321050 (2001-11-01), Sato et al.
patent: 2005/0180774 (2005-08-01), Ohgoshi et al.
patent: 0400557 (1990-12-01), None
patent: 03-131877 (1991-06-01), None
patent: 2000-131940 (2000-05-01), None
patent: 2001-051563 (2001-02-01), None
patent: 2001-060038 (2001-03-01), None
patent: 2001-060041 (2001-03-01), None
Official communication issued in counterpart Japanese Application No. 2005-254417, mailed on Feb. 24, 2009.
Official communication issued in the counterpart European Application No. 06016583.4, mailed on Jan. 31, 2007.

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