Developing device and image forming apparatus

Details Developing device and image forming apparatus Developing device and image forming apparatus

2009-01-22

2011-10-04

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

C399S281000

Reexamination Certificate

active

08032065

ABSTRACT:
A developing device includes a developer supporting member for supporting developer and a developer charging member disposed to face the developer supporting member for charging and supplying the developer to the developer supporting member. The developer supporting member has a surface having a calculated average surface roughness Ra between 0.1 μm and 0.6 μm and a surface free energy SFE between 15 mN/m and 26 mN/m. Further, the developer charging member has an Asker F hardness Haf between 24° and 56°.

REFERENCES:
patent: 6512911 (2003-01-01), Arai et al.
patent: 6714754 (2004-03-01), Ozeki et al.
patent: 7912411 (2011-03-01), Takagi et al.
patent: 04-204675 (1992-07-01), None
patent: 08-220874 (1996-08-01), None
patent: 10-083116 (1998-03-01), None
patent: 11-202614 (1999-07-01), None
patent: 2002-162774 (2002-06-01), None
patent: 2004-233973 (2004-08-01), None
patent: 2005-186323 (2005-07-01), None
patent: 2006-243358 (2006-09-01), None

Affiliated with

Also associated with

Rating

Developing device and image forming apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Developing device and image forming apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Developing device and image forming apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4295912