Back to results
US 7,404,625 B2Granted
Ink jet nozzle arrangement having paddle forming a portion of a wall
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Gregory John McAvoy
Life of this patent
Estimating the term…
Abstract
An ink jet nozzle arrangement for a printhead is provided. The nozzle arrangement includes nozzle chamber for storing ink to be ejected, at least one moveable actuator paddle forming at least a portion of a first wall of said nozzle chamber, and an ink ejection nozzle defined in the first wall. Actuation of the actuator paddle causes ejection of ink from the nozzle.
Claims6
An ink jet nozzle arrangement comprising:
- a nozzle chamber for storing ink to be ejected, said chamber having a first wall;
- an ink ejection nozzle defined in said first wall;
- and
- at least one moveable actuator paddle positioned outside said nozzle and forming at least a portion of said first wall, said actuator paddle being actuated by means of a thermal actuator device,
- wherein actuation of said at least one actuator paddle causes movement of said at least one actuator paddle into the nozzle chamber so as to pressurize the ink within the nozzle chamber, thereby causing ejection of ink from said nozzle.
2 more elements
Dependencies are inferred from the claim text.