Patent ID: 8041263
Filing Date: 2011-10-18
Classification: G03G

Abstract:
1. A charging device, comprising: 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, wherein the protective member has a plurality of openings juxtaposed through a plurality of ribs, and at least a part of the plurality of ribs are provided such that openings adjacent to the rib overlap each other when the protective member is cut in a cross-section perpendicular to a longitudinal direction of the protective member.