Ink cartridge, ink jet recording apparatus and set of ink cartridges

摘要

An ink cartridge (1) for detachably mounting to a mounting region of a recording device provided with an engagement portion and a plurality of electrodes (7a), the ink cartridge comprising: a container body (2), having a first wall; a plurality of electrodes (7a), fixed relative to the first wall; an engagement portion (5a), movable relative to the first wall and being higher in a Y-axis direction than the electrodes (7a); and an ink supply port (4) having an axis extending in the Y-axis direction, wherein: the engagement portion is engageable with the engagement portion of the mounting region; the Y-axis direction is an insertion direction of the ink cartridge to the mounting region; the electrodes are adapted to contact the electrodes (106) of the mounting region when the engagement portion of the ink cartridge is engaged with the engagement portion of the mounting region; and at least one of the electrodes and the engagement portion of the ink cartridge are located on the axis of the ink supply port as viewed in a Y-Z plane parallel to the Y-axis direction and a Z-axis direction which is perpendicular to the Y-axis direction.