Patent ID: 6036306
Filing Date: 2000-03-14
Classification: B41J

Abstract:
An ink cartridge for supplying ink to an outside recording head, the ink cartridge comprising:an accommodating chamber for accommodating a porous member which is impregnated with ink;an ink storing chamber for storing ink, the ink storing chamber being provided adjacent to the accommodating chamber;a partition wall with a lower end, the partition wall dividing the accommodating chamber and the ink storing chamber;a through hole for connecting the accommodating chamber and the ink storing chamber, the through hole being formed at a first position in a side of the ink storing chamber, the first position being defined by the lower end of the partition wall and a bottom wall of the accommodating chamber; andan ink supply port for supplying the ink from the ink storing chamber to the outside recording head, provided at a second position higher than the first position in another side of the ink storing chamber, where a positional displacement is produced between the first position and the second position based on a difference in height therebetween, so that the through hole and the ink supply port do not overlap with each other;wherein an ink flow passage is formed in the ink storing chamber between the through hole and the ink supply port based on the positional displacement between the first position of the through hole and the second position of the ink supply port and the ink flow passage includes at least a curve part.