CARTRIDGE, ITEM FORMING THE CARTRIDGE AND THE IMAGE FORMATING DEVICE Russian patent published in 2018 - IPC G03G21/16 

FIELD: image forming devices.

SUBSTANCE: present invention relates to an image forming apparatus, to a cartridge, with the possibility of detachment installed on the main body of the device for the image forming apparatus, and to the elements constituting the cartridge. Claimed group of inventions includes variants of cartridges that can be installed in the image forming apparatus into the main unit of the device, and variants of the frame members constituting the cartridge frame that can be mounted in the image forming apparatus to the main assembly of the device. In this case, the cartridge comprises: a developing roller, a frame supporting the development roller, a movable part supported for movement by a frame and moved to a first position and a second position with respect to the frame, and an elastic part provided between the frame and the movable part with the possibility of pressing the moving part, the movable part including the first force receiving part, which takes force from the main unit of the device, in the direction of travel from the first position to the second position, and a second force receiving part that receives force from the main unit of the device, in the direction of travel from the second position to the first position, and when the movable part receives the force from the main assembly of the device in the first force receiving part and is in the second position, movable part receives the urging force from the elastic part in the moving direction of the moving part from the second position to the first position.

EFFECT: technical result is to ensure an accurate movement of the developer bearing member.

182 cl, 57 dwg