| 摘要 |
An inkjet printhead apparatus including a plurality of nozzle chambers each having a nozzle aperture defined in one wall thereof for the ejection of ink out of said chamber and a second aperture forte insertion of an actuator mechanism; an ink supply channel interconnected with said nozzle chamber; and a paddle moveable by an actuator operable to eject ink from said nozzle chamber, said actuator including: a first portion located externally of said nozzle chamber; a second portion located internally of said nozzle chamber, supporting said paddle; and an interconnecting portion interconnecting said first portion and said second portion through said second aperture, said interconnecting portion further including a protruding shield formed adjacent said second aperture and positioned so as to restrict the flow of fluid through said second aperture.
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