Liquid-Droplet ejection head and ink jet printer

Details Liquid-Droplet ejection head and ink jet printer Liquid-Droplet ejection head and ink jet printer

2009-03-27

2011-11-22

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S092000

Reexamination Certificate

active

08061821

ABSTRACT:
A liquid-droplet ejection head may include stacked plates that form therein a common liquid channel and a plurality of individual ink channels extending from exits from the common liquid channel to nozzles via pressure chambers. At least one of the stacked plates may include an island-shaped partial plate surrounded by the common liquid channel and configured to form at least a part of side walls of the common liquid channel. The stacked plates may also include a support portion that transverse the common liquid channel and configured to support the partial plate. At least a part of a side edge of the support portion on an upstream side of a flow direction of liquid in the common liquid channel may be inclined to the flow direction, as viewed in a direction perpendicular to the stacked plates.

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Machine-generated translation of Jp 2004-114477, published on Apr. 2004.
JP Office Action dtd Apr. 27, 2010, JP Appln. 2008-084269, English translation.

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