Ink cartridge and recording apparatus

  • US 7,008,053 B2
  • Filed: 02/14/2005
  • Issued: 03/07/2006
  • Est. Priority Date: 11/26/2002
  • Status: Active Grant
First Claim
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1. An ink cartridge, comprising:

  • an ink container having an upper wall, a bottom wall, a first side wall and a second side wall;

    an ink supply port disposed on the bottom wall closer to the first side wall than the second side wall, the ink supply port having an axis;

    a retaining member disposed on the first side wall, the retaining member having a protruding engagement portion;

    a projecting portion located in a region where a plane of the second side wall and a plane of the bottom wall intersect, and extending away from the first side wall, the projecting portion having a surface lying in a plane that is substantially parallel to the axis;

    a memory unit disposed on the ink jet cartridge; and

    a plurality of electrodes disposed on the surface and which are in electrical communication with the memory unit.

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