Nozzle arrangement including active and static ink ejecting members defining variable-volume chamber
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United States of America Patent
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Mar 5, 2013
Grant Date -
May 3, 2012
app pub date -
Jan 9, 2012
filing date -
May 23, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A nozzle arrangement for an inkjet printhead includes an ink inlet; a static ink ejecting member bounding the ink inlet; an active ink ejecting member having a roof defining an ink ejection port and sidewalls depending from the roof, the active ink ejecting member and the static ink ejecting member together defining a nozzle chamber; and an actuator arrangement for reciprocating the active ink ejection member relative to the static ink ejecting member. The static ink ejecting member includes a sealing structure defined along an edge thereof, the sealing structure shaped to form a fluidic seal between the active and the static ink ejecting members by surface tension of a fluid in the nozzle chamber.
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