Patent ID: 7925194
Filing Date: 2011-04-12
Classification: G03G

Abstract:
1. A developing unit usable in an image forming apparatus, the developing unit comprising: a housing to hold a toner; a developing roller disposed in the housing to supply the toner to a photosensitive body of the image forming apparatus; a supplying roller disposed in the housing to supply toner to the developing roller; and a double-bent regulating blade connected to the housing to regulate a toner layer formed on the developing roller, wherein the double-bent regulating blade includes a coupling part to couple with the housing, and a free end part to contact the developing roller, the free end part having a first bending part and a second bending part, the first part which is bending arcuately between the housing and the second bending part, and the second bending part which is bending arcuately between the first bending part and the developing roller.