Ink-jet print head and ink-jet recording apparatus

Details Ink-jet print head and ink-jet recording apparatus Ink-jet print head and ink-jet recording apparatus

2007-02-06

2007-02-06

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

10397863

ABSTRACT:
An ink-jet print head has a piezoelectric ceramic plate having grooves for receiving ink, a nozzle plate connected to the piezoelectric ceramic plate and having nozzle apertures each disposed in communication with respective ones of the grooves, and an ink storing device for storing ink. An ink chamber plate is connected to the piezoelectric ceramic plate and has an ink chamber for supplying ink from the ink storing device to the grooves. A base plate is connected to a side of the ink chamber plate and has an ink reservoir defining a portion of an ink flow path for transporting ink from the ink storing device to the ink chamber of the ink chamber plate. The ink reservoir has at least one tapered portion progressively diverging in a direction toward the ink chamber of the ink chamber plate.

REFERENCES:
patent: 5708465 (1998-01-01), Morita et al.
patent: 6039437 (2000-03-01), Tsujimoto
patent: 6409316 (2002-06-01), Clark et al.

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