Nozzle assembly with variable volume nozzle chamber

Details Nozzle assembly with variable volume nozzle chamber Nozzle assembly with variable volume nozzle chamber

2007-05-24

2008-08-05

Nguyen, Lamson D. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S040000, C347S062000

Reexamination Certificate

active

07407265

ABSTRACT:
A nozzle assembly is provided for an inkjet printer. The nozzle assembly includes a substrate assembly defining an ink inlet channel. An endless wall extends from the substrate assembly in alignment with the ink inlet channel. A nozzle is provided which, together with the endless wall, defines a nozzle chamber arranged to receive ink from the ink inlet channel and further defines a nozzle opening through which ink can be ejected. A lever arm extends from the nozzle. A thermal bend actuator is coupled to the lever arm and is further coupled to an anchor extending from the substrate assembly external to the wall. The thermal bend actuator is configured to move the nozzle so that the volume of the nozzle chamber varies and ink contained therein is ejected out through the nozzle opening.

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