| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a developing device capable of preventing occurrence of corotation while reducing a manufacturing cost with a structure separating a recovery conveyance path and a supply conveyance path, an image forming device equipped with the developing device, and a process cartridge. <P>SOLUTION: A developing device 5 comprises: a gap formation member 58 which is movable in a direction close to or away from a developing sleeve 51 to a partition member 57 for separating a recovery conveyance path and a supply conveyance path and is more close to the surface of the developing sleeve 51 than to a side end of the developing sleeve 57e of the partition member 57 to form a separation gap between the surface of the developing sleeve 51; a pressure spring 61 for energizing the gap formation member 58 toward the developing sleeve 51; and an abutment member 60 which is disposed at an end part in the axial line direction in the gap formation member 58 and abuts to the surface of the developing sleeve 51 after the gap formation member 58 is energized by the pressure spring 61. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
