DRUM UNIT, CARTRIDGE AND CONNECTING ELEMENT Russian patent published in 2020 - IPC G03G15/08 

FIELD: image forming devices.

SUBSTANCE: present invention relates to a process cartridge applicable to an image forming apparatus using an electrophotographic process etc. Proposed group of inventions includes image forming device and cartridge. Proposed group of inventions includes variants of cartridge drum assemblies and versions of cartridges. Cartridge drum assembly comprises: (i) a photosensitive drum and (ii) a connecting element rotating about its axis of rotation, wherein connecting element in working position is connected to photosensitive drum, so that connecting element is capable to transmit driving force to photosensitive drum, wherein the connecting element includes a movable elongated portion which extends in a first direction, and a protrusion protruding from the elongated portion in the second direction, which intersects the first direction, wherein the protrusion projects from the elongated portion towards the end of the protrusion, wherein when measuring in a direction perpendicular to the axis of rotation of the connecting element, end of protrusion is closer to axis of rotation of connecting element than elongated section to axis of rotation of connecting element, and at least part of elongated section is located inside photosensitive drum.

EFFECT: wider range of technical means.

82 cl, 156 dwg