Patent ID: 6796635
Filing Date: 2004-09-28
Classification: B41J

Abstract:
An ink cartridge for an inkjet printer,wherein the ink cartridge is one of ink cartridges that are detachably attached to a cartridge accommodating portion of the inkjet printer as aligned in parallel, said ink cartridge comprising at least one engaging portion formed at a side of the ink cartridge that faces an adjacent ink cartridge, wherein a set of the opposed engaging portions of each pair of adjacent ink cartridges forms a matching set in which the engaging portions engage with each other to position the adjacent ink cartridges with respect to each other, wherein the matching sets are shaped and located such that a fitting structure between one pair of adjacent ink cartridges and a fitting structure between another pair of adjacent ink cartridges are different in form, wherein the ink cartridges respectively comprise ink supply ports, wherein the cartridge accommodating portion comprises ink supply needles, wherein each of the ink supply needles corresponds to one of the ink supply ports, wherein the ink supply needles are inserted into the ink supply ports in an insertion direction when the ink cartridges are attached to the cartridge accommodating portion, and wherein each matching set is shaped to permit the adjacent ink cartridges to move relative with each other in a direction in which the ink cartridges are aligned.