DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE Russian patent published in 2014 - IPC G03G21/18 

FIELD: printing.

SUBSTANCE: group of inventions relates to the field of printing equipment, and in particular, to a cartridge and an electrophotographic device. The process cartridge comprises a drum connecting element, the developing connecting element and a contacting element. At that the process cartridge comprises a photosensitive drum, a connecting part of the drum, provided near the axial end of the photosensitive drum, a developing roller made with the ability to rotate around its axis, a developing connecting part provided near one axial end of the said developing roller. At that the developing connecting part comprises a driving part, an intermediate part, a leading part. Also, the device comprises a retaining part, a pressing part, an abutting part configured and positioned to abut the retaining part. The retaining part comprises a contacting part configured and positioned so as the movement of the retaining part as a result of the movement of the process cartridge is regulated when the said leading part is not mounted in engagement with the developing connecting element. An electrophotographic device comprises a removable process and a developing cartridges interacting with the device assemblies by means of connecting and the contacting elements.

EFFECT: image enhancement, reduction of overall dimensions.

27 cl, 41 dwg