CARTRIDGE TO FEED DEVELOPER Russian patent published in 2009 - IPC G03G15/08 

FIELD: mechanics.

SUBSTANCE: proposed cartridge to feed developer can be mounted in the developer intake device and removed therefrom and comprises the following elements, i.e. compartment to contain developer therein with a hole to feed it therefrom, a flexible element arranged in the aforesaid compartment around the said hole to seal the transition area between the developer feed cartridge and developer intake device. It also includes a film placed on the compartment containing developer and enveloping aforesaid flexible sealing element. The said film can be removed from the outlet hole. The proposed device incorporates also a gate to open and close the said outlet hole, that can slide over the flexible element on opening the latter by removing the aforesaid film.

EFFECT: cartridge to feed developer that requires minor force to open and close its gate and comprises sealing film ruling out leakage of dye-coupling developer.

5 cl, 6 dwg