Patent ID: 7328974

Claim:
An inkjet printer ink cartridge, comprising: a case having an inlay rim disposed on a periphery thereof, with an ink outlet being disposed on a first bottom thereof; an assembled ink outlet base body having a groove capable of being inserted on the inlayrim of the case wherein then an end of an ink inlet communicates with the ink outlet of the case; a printed circuit is attached to an outer rim of the ink outlet base body thereof; a stand having a recess is disposed on a second bottom thereof; a first wire bent by the printed circuit is disposed on a rim of the stand; a socket capable of being inserted into the stand of the ink outlet base body, a second wire attached to the socket is electrically connected to the first wire of the stand; an ink outlet disposed in a center of the stand communicates with the ink inlet of the ink outlet base body; a heating element is disposed in a plurality of airflow guides formed on a surface of the socket thereof; a nozzle plate capable of being inserted in the socket having a nozzle disposed thereof; a heater chip attached to an end periphery of the nozzle plate is electrically connected to the heating element in the airflow guides on a surface of the socket; the assembled ink outlet base body can be demounted from the case, and the nozzle plate having a heater chip attached thereto can also be demounted from the socket and then replaced.