Variable-volume nozzle arrangement

Details Variable-volume nozzle arrangement Variable-volume nozzle arrangement

2008-11-23

2009-08-11

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

07571988

ABSTRACT:
A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a substrate assembly defining an ink inlet. A static wall extends from the substrate assembly and bounds the ink inlet. An active ink ejecting member has a roof and a sidewall that depends from the roof towards the substrate. The roof defines an ink ejection port and the active ink ejecting member is movably located relative to the static wall to define a variable-volume nozzle chamber. An actuator arrangement is configured to reciprocate the active ink ejection member relative to the static wall so that ink in the nozzle chamber is ejected out through the ink ejection port.

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