| 摘要 |
A cartridge for use with a main assembly of an electrophotographic image forming apparatus, the cartridge being dismountable from the main assembly and including (i) a developing roller for developing an electrostatic latent image formed on an electrophotographic photosensitive drum, the developing roller being rotatable about an axis thereof; and (ii) a coupling member capable of taking a rotational force transmitting angular position for transmitting a rotational force for rotating the developing roller to the developing roller and a disengaging angular position in which the coupling member is inclined away from the rotational force transmitting angular position.
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