| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing apparatus configured to prevent developer stored inside from leaking to the outside of the developing apparatus during conveyance, and to provide an image forming unit and an image forming apparatus.SOLUTION: When a box storing an image forming unit is dropped by mistake with a roll shaft directed vertically, a protection part 134 in a storage member is deformed between a screw 164 and a screw in a roll shaft direction. A tip of a rib 166 comes into contact with an end surface 104A. Deformation of the storage part can be prevented, thereby preventing separation of a seal member. Developer stored inside can be prevented from leaking to the outside of a developing apparatus. |
