Patent ID: 7570902
Filing Date: 2009-08-04
Classification: G03G

Abstract:
1. A charging device mounted on a frame, the charging device comprising: a pair of mounting members mounted and fixed on both end portions of the frame; a discharging electrode filament extending between the mounting members in a tensioned state; a shield casing arranged to cover the discharging electrode filament by being supported between the mounting members and connected with the mounting members; a grid extending between the mounting members in a tensioned state and arranged in an opening of the shield casing; at least one connecting member arranged to connect the pair of the mounting members and the shield casing in a state in which a slight displacement between the mounting members and the shield casing is permitted; and a plate-shaped swinging member arranged to connect the grid to at least one of the mounting members in the tensioned state and to swing about a pin.