| 摘要 |
A frame for a developing device for a process cartridge detachably mountable to a main assembly of an image forming apparatus, includes a developing means frame (12b) having a mounting portion for mounting developing means for developing a latent image formed on an electrophotographic photosensitive member, the developing means frame (12b) having a projection (21) on a side opposed from a side provided with the mounting portion; a toner frame (12a) having a toner container portion for containing a toner usable for developing operation of the developing means, the toner frame (12a) having an opening for supplying toner to the developing means and a recess (22) adjacent a longitudinal end of the opening; wherein the projection (21) and recess (22) are engageable with each other to couple the developing means frame (12b) and the toner frame (12a). <MATH> |
