Inkjet printhead having bicuspid valved ink ejection...

Details Inkjet printhead having bicuspid valved ink ejection... Inkjet printhead having bicuspid valved ink ejection...

2007-10-30

2007-10-30

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S061000

Reexamination Certificate

active

11058238

ABSTRACT:
An inkjet printhead is provided comprising ink ejection arrangements of an ink chamber, a nozzle defined in a first wall of the ink chamber and an ink ejector positioned within an aperture defined in an opposite, second wall of the ink chamber. The ink chamber is arranged in fluid communication with an ink supply channel via the aperture so as to supply ink to the nozzle. The ink ejector incorporates a movable paddle which is operable to cause ejection of ink from the nozzle and resupply of ink to the ink chamber from the ink supply channel. The adjacent, peripheral regions of the second wall and the paddle are configured to define a bicuspid valve between the ink chamber and the ink supply channel.

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