| 摘要 |
PROBLEM TO BE SOLVED: To perform coupling on the side of a process cartridge in an electrophotographic image forming device that receives a rotating force from the device body and to axially position a rotation force applying part on the side of the device body, with high accuracy.SOLUTION: A cartridge 2 includes: a first cartridge-side positioned part 158b mounted on a device body 1 to be engaged with a first body-side positioning part 130Ra; a second cartridge-side positioned part 158c provided at a longitudinal one end of a first frame unit 50 coaxially with a drum 20 and engaged with a second body-side positioning part 130Rb; a third cartridge-side positioned part 51e provided at the longitudinal other end of the first frame unit 50 coaxially with the drum 20 and engaged with a third body-side positioning part 130La; a first unit-side regulation part 200 provided in the first frame unit 50; and a first drum-side regulation part 150c provided in the drum 20 so as to come into contact with the first unit-side regulation part 200. |
