| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing cartridge such that a cartridge which is unused is loaded in external constitution.SOLUTION: A developing cartridge 1 comprises: an enclosure 5 having a left wall 30; a developing roller 2; a first agitator 6; a first agitator gear 45 capable of rotating together with the first agitator 6; a second agitator 7; a second agitator gear 46 capable of rotating together with the second agitator 7; an idle gear support part 79 extending outward from an outer surface 30A of the left wall 30; a partially untoothed gear shaft 36 positioned at a left end part of the idle gear support part 79; an idle gear 50 capable of rotating with respect to the idle gear support part 79 and engaging the first agitator gear 45 and second agitator gear 46; a partially untoothed gear 51 capable of rotating with respect to the partially untoothed gear shaft 36; and a detection projection 62 capable of moving to the right and left as the partially untoothed gear 51 rotates.SELECTED DRAWING: Figure 9 |
