| 摘要 |
A nozzle arrangement for an ink jet printhead includes a substrate. An actuator is arranged on the substrate for facilitating the ejection of ink from a nozzle chamber of the nozzle arrangement. The actuator includes a plurality of actuating members that are mounted on the substrate and are operatively positioned with respect to the nozzle chamber to define at least part of one of a roof wall, floor and side wall of the nozzle chamber. The actuating members are displaceable between an inoperative condition and an operative condition to reduce a volume of the nozzle chamber so that ink is ejected from the nozzle chamber. An actuating mechanism is provided for displacing the actuating members between the inoperative and operative conditions.
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