CARTRIDGE WITH LIQUID, DEVICE TO LOAD-UNLOAD CARTRIDGE WITH LIQUID, PRINTING DEVICE AND DEVICE FOR LIQUID EJECTION Russian patent published in 2011 - IPC B41J2/175 

FIELD: printing industry.

SUBSTANCE: invention relates to cartridge with liquid, device for loading-unloading of cartridge and device that consumes liquid. Cartridge comprises front wall, back wall, upper wall, lower wall, hole for liquid supply arranged in front wall, first and second contact grooves arranged at one of upper or lower walls with the possibility of interaction with contact element of device for loading-unloading of cartridge and the first and second support parts arranged in contact grooves and arranged with the possibility of engagement with contact element. At the same time the first support part is arranged at the first side from centre of cartridge, and the second support part is installed at the second side from centre of cartridge, opposite to the first side. Device for loading-unloading of cartridge comprises mechanism that retains cartridge, arm of lever and mechanism that converts power transfer.

EFFECT: invention provides for reliable loading and simple extraction of cartridge.

35 cl, 29 dwg