Ink jet head and ink jet recording apparatus

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

2005-08-23

2005-08-23

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06932462

ABSTRACT:
An ink jet head has grooves, an ink flow path for transporting ink from an ink storing member to the grooves via an ink chamber, and a filter disposed in the ink flow path. The ink flow path has a communicating passage connected to the ink storing member, an ink introduction passage connected to the communicating passage for transporting ink along a flow direction generally perpendicular to a longitudinal direction of each of the grooves, an ink reservoir connected to the ink introduction passage and in which the filter is disposed, and an ink supply passage connected to the ink reservoir for supplying ink to the ink chamber. The ink supply passage is inclined downwardly toward the ink chamber relative to a horizontal line disposed generally parallel to the flow direction of ink in the ink introduction passage.

REFERENCES:
patent: 5216446 (1993-06-01), Satoi et al.
patent: 5280299 (1994-01-01), Saikawa et al.
patent: 5486846 (1996-01-01), Comer et al.
patent: 5495272 (1996-02-01), Yamaguchi
patent: 5671000 (1997-09-01), Hirabayashi et al.
patent: 6120140 (2000-09-01), Hirosawa et al.

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