Patent ID: 7934822

Claim:
An ink cartridge adapted to be detachably mounted on a recording apparatus which is provided with an apparatus electrode, an apparatus engagement portion, and an ink supply needle, the ink cartridge comprising: a first side wall and a second side wall opposing each other; a back wall and a front wall opposing each other and intersecting with the first side wall and the second side wall; a bottom wall and a top wall opposing each other and intersecting with the first side wall, the second side wall, the front wall, and the back wall; an ink supply port provided on the bottom wall and adapted to be connected with the ink supply needle when the ink cartridge is mounted on the recording apparatus; a memory device having a cartridge electrode adapted to be electrically connected to the apparatus electrode when the ink cartridge is mounted on the recording apparatus, the memory device provided on the back wall and disposed at a position closer to the first side wall than the second side wall; and a cartridge engagement portion being movable and adapted to be engaged with the apparatus engagement portion when the ink cartridge is mounted on the recording apparatus.