TONER CARTRIDGE AND TONER SUPPLY MECHANISM Russian patent published in 2020 - IPC G03G15/08 

FIELD: printing equipment.

SUBSTANCE: present invention relates to a toner cartridge and a toner supply mechanism for forming an electrophotographic image. Disclosed group of inventions includes versions of toner cartridges, installed with possibility of extraction into receiving device and versions of mechanisms of toner supply. Disclosed toner cartridge comprises: container including (1-1) a toner location portion and (1-2) a toner discharge outlet from the accommodation portion, opening/closing element, including (2-1) closing section for closing said outlet opening and (2-2) section for receiving closing force, wherein said opening/closing member is configured to move relative to said container between a closed position to cause closure of said outlet with said closing portion and open position for causing said opening to be opened by said closing portion, wherein said opening/closing member includes a front end portion and a rear end portion, which are located at sides downstream and upstream of said opening/closing member relative to the closing direction, in which said opening/closing element moves to close said outlet, respectively, and wherein said opening/closing member extends from front end portion to rear end portion in a range greater than 180° perimeter of said container on the form of said toner cartridge in the longitudinal direction of said container, wherein said closing force receiving portion is configured to receive force to move said opening/closing element from an open position to a closed position when said toner cartridge is removed from said receiving device.

EFFECT: technical result consists in improvement of convenience and ease of use when performing actions when a user installs a toner cartridge into a developing unit.

56 cl, 17 dwg