PROCESSING CARTRIDGE, PHOTORECEPTOR DRUM UNIT, AND END MEMBER PAIR

摘要

A photoreceptor drum unit is provided with a cylindrical photoreceptor drum, and two end members which are respectively disposed at both ends of the photoreceptor drum in an axial direction. One of the end members is provided with an elastic member, is biased in the axial direction, and is extendable and contractable. The other of the end members is provided with a cylindrical bearing member and a shaft member held in the bearing member.

主权项

1. A processing cartridge to be attached to and detached from an image forming apparatus main body, the processing cartridge comprising:
a housing; and a photoreceptor drum unit which is disposed in the housing and held in the housing, wherein the photoreceptor drum unit includes: a cylindrical photoreceptor drum; and two end members which are respectively disposed at both ends of the photoreceptor drum in an axial direction, wherein one of the end members is provided with an elastic member, is biased in the axial direction, and is extendable and contractable, wherein the other of the end members is provided with a cylindrical bearing member and a shaft member held in the bearing member, and wherein the one of the end members and the other of the end members come into contact with the housing on surfaces opposite to the photoreceptor drum, and do not come into contact with the housing on surfaces facing the photoreceptor drum side.