Patent ID: 6550902
Filing Date: 2003-04-22
Classification: B41J,D06M

Abstract:
An ink cartridge for an ink jet printing apparatus having a printhead which ejects ink droplets onto a recording medium, the printhead having an ink supply needle, and is mounted on a movable carriage, the ink cartridge comprising:a housing containing an ink therein and configured for removable mounting on the printhead, said housing having a first wall and a second wall, the second wall having both a first upper corner and a second upper corner; an ink supply port formed on said first wall for receiving the ink supply needle of the printhead and supplying the ink from said housing to the printhead, the ink supply port having an exit opening and a centerline; a semiconductor storage device storing information about the ink disposed on said housing; at least two electrical contacts on said second wall and allowing electrical communication between the semiconductor storage device and the ink jet printing apparatus, the contacts lying in at least a first row and a second row, the first row being closer to a line connecting the first and the second upper corner than the second row; and a first overhang disposed between the first upper corner and the second upper corner.