Ink jet head, ink jet recording apparatus, and method for...

Details Ink jet head, ink jet recording apparatus, and method for... Ink jet head, ink jet recording apparatus, and method for...

2005-02-08

2005-02-08

Feggins, Kristal (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S020000

Reexamination Certificate

active

06851790

ABSTRACT:
An ink jet head has a substrate, partition walls disposed on a main surface of the substrate and spaced apart at a preselected interval to form channels for receiving ink. An ink chamber plate is connected to the substrate to define with the partition walls an ink chamber for supplying ink to the channels. A passage forming member is connected to the ink chamber plate and has an ink supply passage disposed in communication with the ink chamber for supplying ink contained in an ink storage device to the ink chamber and at least one ink discharge passage for discharging ink from the ink chamber. The ink discharge passage is independent from the ink supply passage so that ink is supplied directly to the ink chamber through the ink supply passage without passing through at least a portion of the ink discharge passage.

REFERENCES:
patent: 6109740 (2000-08-01), Namekawa et al.
patent: 6196655 (2001-03-01), Hirasawa et al.
patent: 6361151 (2002-03-01), Shigemura
patent: 405229116 (1993-09-01), None

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