Process cartridge and electrophotographic image forming apparatus

摘要

A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the cartridge includes (i) a rotatable developing roller for developing a latent image formed on a photosensitive member; (ii) a first drive transmission member capable of receiving a rotational force originated by the main assembly; (iii) a second drive transmission member capable of coupling with the first drive transmission member and capable of transmitting the rotational force received by the first drive transmission member to the developing roller; and (iv) a coupling disconnection member including a force receiving portion capable of receiving the force originated by the main assembly, and an urging portion capable of urging at least one of the first drive transmission member and the second drive transmission member by the force received by the force receiving portion to separate one of the first drive transmission member and the second drive transmission member from the other, thereby disconnecting the coupling.

主权项

1. A process cartridge comprising:
a photosensitive member; a photosensitive member frame rotatably supporting the photosensitive member; a developing roller for developing a latent image formed on the photosensitive member; a developing device frame rotatably supporting the developing roller, the developing device frame being rotatably connected to the photosensitive member frame so that the developing device frame can rotate relative to the photosensitive member frame about a rotation axis, the developing device frame being rotatable between a contacting position in which the developing roller is in contact with the photosensitive member and a spaced position in which the developing roller is spaced from the photosensitive member; a first drive transmission member rotatable about the rotation axis and capable of receiving a rotational force; a second drive transmission member rotatable about the rotation axis and capable of connecting with the first drive transmission member and transmitting the rotational force from the first drive transmission member to the developing roller; and a disconnecting mechanism configured to disconnect the first drive transmission member and the second drive transmission member in accordance with rotation of the developing device frame from the contacting position to the spaced position.