| 摘要 |
PURPOSE:To prevent a toner from adhering and being accumulated on the inside wall of a housing, by eliminating the stagnation of air in the space surrounded by a flicker bar, a fur brush roll and a housing. CONSTITUTION:Plural projecting parts 17 are provided on the back of flicker bars 16, 16' contacting with fur brush rolls 4, 4', and this back is stuck to a housing 5. As a result, flow passages 18, 18' by which the space surrounded by the housing 5, an orifice baffle, flicker bars 16, 16' and the fur brush rolls 4, 4' communicates with a flow passage 8 leading to a vacuum source are formed between the housing and the flicker bars 16, 16'. By these flow-passages 18, 18', the stagnation of air in the vicinity of the flicker bar is eliminated, and adhering and accumulation of a toner in this part are prevented. |
