| 摘要 |
PROBLEM TO BE SOLVED: To prevent a locking defect owing to a creep deformation of a spring member, in a locking member for preventing an erroneous turning of a handle of a toner replenishing vessel applying a handle turning method in fixing the vessel main body. SOLUTION: In the locking member 51 attached to the toner replenishing vessel applying the handle 15 turning system, in order to prevent an erroneous turn of the handle 15, the member is provided with a notch 51f for making the locking member 51 possible to move to a position reducing a bend of a spring part 51c also it is provided with a cam plane 51g for permitting smooth shift in the direction opposite to the energizing force, interlocking with the turning of the handle 15 in the shutter closing direction. |
