Process cartridge, assembling method of process cartridge, assem

Details Process cartridge, assembling method of process cartridge, assem Process cartridge, assembling method of process cartridge, assem

1997-12-23

1999-10-12

Moses, R. L.

Electrophotography

Having particular structure

Modular or displaceable

399119, 222DIG1, G03G 2116

Patent

active

059665688

ABSTRACT:
A process cartridge detachably mountable on the main body of an electrophotographic image forming apparatus comprises an electrophotographic photosensitive member, development means for developing the latent images formed by the electrophotographic photosensitive member, and a toner retaining unit for retaining toner to be used for development by the development means. This toner retaining unit is formed by coupling a first frame having a toner container for containing toner, a toner supply opening for supplying toner contained in the toner container to the development means, and an installation surface for a covering member arranged on the circumference of a second opening provided apart from the toner supply opening, and a second frame having a covering member installed on the covering member installation surface for closing the toner container in order to cover the second opening substantially in parallel with the covering member installation surface, and a handling unit arranged for the covering member and extruded to the side opposite to the covering member installation surface of the covering member.

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