Patent ID: 7316471
Filing Date: 2008-01-08
Classification: B41J

Abstract:
1. An ink cartridge, comprising: an ink chamber configured to store ink therein; a case comprising a particular wall having a first end and a second end opposite the first end; a protrusion positioned at the second end of the particular wall and extending from an outside face of the particular wall in a predetermined direction; a protruding member positioned at the first end of the particular wall and extending from the outside face of the particular wall in the predetermined direction; an air intake portion configured to draw air from an exterior of the ink chamber to an interior of the ink chamber to contact the air with the ink stored therein; and an ink supply portion positioned at the particular wall adjacent of the particular wall and extending from the outside face of the particular wall, wherein the ink supply portion is positioned between the protrusion and the air intake portion, and each of the protrusion and the protruding member extends from the outside face of the particular wall in the predetermined direction further than the ink supply portion extends from the outside face of the particular wall in the predetermined direction, wherein the air intake portion is positioned between the protruding member and the ink supply portion.