CARTRIDGE AND DRUM UNIT FOR ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE Russian patent published in 2020 - IPC G03G21/18 

FIELD: image forming devices.

SUBSTANCE: present invention relates to a cartridge and a drum unit used for an electrophotographic type device for image forming, such as a laser printer. Disclosed group of inventions includes variants of cartridges. Cartridge comprises: a frame, a photosensitive drum resting on said frame with possibility of rotation with rotation around axis L1 of photosensitive drum, connecting element, having axis L2, with possibility of rotation around said axis, connecting element includes (i) free end part including at least one ledge, (ii) fixed end part having transmitting part for transfer of rotary force to photosensitive drum, and (iii) a connecting portion connecting the free end portion and the fixed end portion, wherein the connecting member is movable between a first position, in which axis L2 of said connecting element is coaxial with respect to axis L1 of said photosensitive drum, and a second position, in which axis L2 of said connecting element is inclined relative to axis L1 of said photosensitive drum, and a pressing member in contact with the free end portion or connection portion for pressing said connecting member towards the second position, wherein said frame includes a recess portion, into which a portion of the connecting member enters, when the connecting member is pressed by the urging member.

EFFECT: technical result consists in the realization of the purpose, as well as in the elimination of the shortcomings of the analogues of the prior generation of equipment.

32 cl, 33 dwg