| 摘要 |
PROBLEM TO BE SOLVED: To simplify a drum ground contact and to improve the recycle properties. SOLUTION: In the process cartridge of a triangle coupling type, a coupling part 36d and a gear 40 are separately constituted. A drum grounding function is given to the coupling part 36d by using a conductive material and the gear 40 is made of resin material of satisfactory sliding properties. A sound change and abrasion can be suppressed and the gear 40 can be inversely fitted, thus facilitating reuse.
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