Moving nozzle ink jet actuator

摘要

The invention concerns an ink jet printhead including:a plurality of nozzles each adapted to eject drops of ink 14 toward a surface to be printed; wherein,each of the nozzles has an external actuator 10 and an apertured roof portion 6; the roof portion 6 defining an inner surface for contacting the ink and an opposing outer surface operatively connected to the external actuator 10 such that the actuator 10 moves the roof portion 6 away from the surface to be printed to eject the ink 14.