Patent ID: 8025376
Filing Date: 2011-09-27
Classification: B41J

Abstract:
1. An ink cartridge, comprising: an ink chamber comprising a first wall comprising a first film, and a second wall which is connected to and is perpendicular to the first wall, wherein the second wall has a first end and a second end; at least one rib disposed within the ink chamber, wherein the at least one rib contacts the first film of the first wall, and at least a portion of the at least one rib is positioned closer to a center of the ink chamber than to an edge of the ink chamber; an ink supply portion positioned at the second wall adjacent to the second end of the second wall; a translucent portion positioned at the second wall between the first end of the second wall and the ink supply portion, wherein the translucent portion is configured to be in fluid communication with the ink chamber; and a communication path configured to dispense ink from an interior of the ink chamber to an exterior of the ink chamber via the ink supply portion.