Moving nozzle ink jet with inlet restriction
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Gregory John McAvoy
Life of this patent
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Abstract
The invention relates to an ink jet printhead including: a plurality of nozzles each adapted to eject drops of ink toward a surface to be printed; wherein, each of the nozzles has an external actuator 10, an apertured roof portion 6 and an ink baffle formation 24; the roof portion 6 defining an inner surface for contacting the ink and an outer surface opposite the inner surface, the outer surface being operatively connected to the external actuator 10 such that the actuator moves the roof portion 6 away from the surface to be printed to eject the ink using back pressure at least partially provided by the baffle formation 24.
Claims5
An ink jet printhead including:
- a plurality of nozzles each adapted to eject drops of ink toward a surface to be printed;
- wherein,
- each of the nozzles has an external actuator, an apertured roof portion and an ink baffle formation;
- the roof portion defining an inner surface for contacting the ink and an outer surface opposite the inner surface, the outer surface being operatively connected to the external actuator such that the actuator moves the roof portion away from the surface to be printed to eject the ink using back pressure at least partially provided by the baffle formation.
Dependencies are inferred from the claim text.