TONER CARTRIDGE AND A TONER FEEDER Russian patent published in 2021 - IPC G03G15/08 

FIELD: toner cartridges.

SUBSTANCE: invention relates to the structure of a toner cartridge. The toner cartridge contains a container and an opening/closing element. The container consists of a section where a toner is located. It also consists of an outlet. The opening/closing element has a closing area for closing the outlet and an area for receiving the closing force. The opening/closing element is movable relative to the container between a closed position to cause the outlet to be closed by the closing area and an open position to cause the outlet to be opened by the closing area. The opening/closing element consists of a front end area and a rear end area that are on the downstream and upstream sides of the opening/closing element with respect to the closing direction in which the opening/closing element moves to close the outlet.

EFFECT: invention makes it convenient to mount the toner cartridge into the developing unit of the printing device and to dismount it from the developing unit of the printing device.

17 cl, 33 dwg