Nozzle arrangement with an actuator having iris vanes

Details Nozzle arrangement with an actuator having iris vanes Nozzle arrangement with an actuator having iris vanes

2011-03-08

2011-03-08

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000, C347S065000

Reexamination Certificate

active

07901041

ABSTRACT:
Provided is a nozzle arrangement for an inkjet printhead. The nozzle arrangement includes a substrate defining an ink inlet, a roof portion defining an ejection port, the roof portion supported on said substrate by posts, and an actuator arranged between the posts and having four iris vanes each respectively arranged to form a wall of a chamber, said iris vanes operating in an iris-type manner to reduce a volume of the chamber to eject ink from the chamber via the ejection port.

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