Charging device

Details Charging device Charging device

2009-08-31

2011-10-18

Brase, Sandra (Department: 2884)

Electrophotography

Image formation

Charging

Reexamination Certificate

active

08041263

ABSTRACT:
A charging device includes: a to-be-charged member; a charging member that charges the to-be-charged member and is opposed to the to-be-charged member; a cover member that surrounds the charging member disposed inside of the cover member but has an opening at a site opposed to the to-be-charged member; a grid electrode that is disposed on the opening side of the cover member with respect to the charging member, the grid electrode being provided between the cover member and the to-be-charged member; and a protective member that is provided along a longitudinal direction of the grid electrode, the protective member protecting an end part of the grid electrode and having at least one opening that is provided between the to-be-charged member and an end part of the cover member on the to-be-charged member side.

REFERENCES:
patent: 6393237 (2002-05-01), Shindo
patent: 6823157 (2004-11-01), Foltz
patent: 6917773 (2005-07-01), Maeda et al.
patent: 6944413 (2005-09-01), Maeda
patent: 7016628 (2006-03-01), Maeda et al.
patent: 7174114 (2007-02-01), Gila et al.
patent: A-06-289692 (1994-10-01), None
patent: A-08-286471 (1996-11-01), None
patent: 10-142900 (1998-05-01), None

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