Printhead nozzle arrangement having ink ejecting actuators annularly arranged around ink ejection port
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Gregory John McAvoy
Life of this patent
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Abstract
A printhead for an inkjet printer includes a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink; an ink ejection port associated with each nozzle chamber; and a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation. A plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port. Each actuator is operable to displace a respective petal formation into the nozzle chamber.
Claims5
A printhead for an inkjet printer, the printhead comprising:
- a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink;
- an ink ejection port associated with each nozzle chamber;
- and
- a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation, wherein
- a plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port, and
- each actuator is operable to displace a respective petal formation into the nozzle chamber.
Dependencies are inferred from the claim text.