Patent ID: 8918016
Filing Date: 2014-12-23
Classification: G03G

Abstract:
1. A process cartridge detachably installable in an image forming apparatus, comprising: a first sub-unit to hold an image carrier; a second sub-unit to hold a developer bearing member disposed opposite the image carrier across a predetermined gap; a first positioning member to position first ends of the image carrier and the developer bearing member in a longitudinal direction, respectively, the first positioning member being fixed to a first end of the first sub-unit in the longitudinal direction while positioning the first end of the image carrier before assembly of the first and second sub-units; and a second positioning member to position second ends of the image carrier and the developer bearing member opposite the first ends in the longitudinal direction, respectively, the second positioning member being fixed to a second end of the second sub-unit in the longitudinal direction while positioning the second end of the developer bearing member before the assembly of the first and second sub-units, the second sub-unit having a protruding portion protruding outward to a first end of the second sub-unit opposite the second end beyond the first positioning member in the longitudinal direction, an opposing surface of the protruding portion provided to face the first positioning member dimensioned to conform to a cross-section of the first positioning member perpendicular to the longitudinal direction.