Nozzle arrangement with a movable roof structure

Details Nozzle arrangement with a movable roof structure Nozzle arrangement with a movable roof structure

2007-04-02

2008-12-23

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000

Reexamination Certificate

active

07467851

ABSTRACT:
A nozzle arrangement is provided for an inkjet printer. The nozzle arrangement includes a substrate defining an ink supply conduit. A shelf layer is positioned on the substrate, and defines a shelf which covers the ink supply conduit and an opening in fluid communication with the ink supply conduit. A static wall extends from the shelf layer and surrounds the opening. An anchor extends from the shelf layer outside the static wall. A bend actuator extends away from the anchor and terminates in a roof structure. The roof structure defines a movable wall which extends adjacent the static wall to define a nozzle chamber and an ink ejection port through which ink provided via the opening to the nozzle chamber can be ejected. In use, the bend actuator can bend and straighten to vary the volume of the nozzle chamber and eject ink therein through the ink ejection port.

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patent: WO 99/03680 (1999-01-01), None

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