Printhead assembly incorporating one or more printhead modules

Details Printhead assembly incorporating one or more printhead modules Printhead assembly incorporating one or more printhead modules

2006-08-29

2006-08-29

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S063000

Reexamination Certificate

active

07097282

ABSTRACT:
A printhead assembly includes an elongate support structure and printhead modules positioned in the support structure, along a length of the support structure. Each printhead module includes an ink feed member that defines a number of ink channels in fluid communication with an ink supply. The ink feed member has a plurality of outlet openings from which ink can be fed. An ink delivery assembly is positioned on the ink feed member. The ink delivery assembly defines a mounting formation to permit a printhead chip to be mounted on the ink delivery system. A plurality of ink inlets are in fluid communication with the outlet openings of the ink feed member. The ink delivery assembly defines a plurality of exit holes and tortuous ink flow paths from each ink inlet to a number of respective exit holes. An elongate printhead chip is mounted on the mounting formation. The printhead chip incorporates a plurality of nozzle arrangements that extend along a length of the chip. The printhead chip is positioned so that the ink can be fed from the exit holes to the printhead chip.

REFERENCES:
patent: 4528575 (1985-07-01), Matsuda et al.
patent: 5869595 (1999-02-01), Fuller et al.
patent: 6151049 (2000-11-01), Karita et al.
patent: 6315384 (2001-11-01), Ramaswami et al.
patent: 6341845 (2002-01-01), Scheffelin et al.
patent: 6488355 (2002-12-01), Nakamura et al.
patent: 6655786 (2003-12-01), Foote et al.
patent: WO 2001/002172 (2001-01-01), None
patent: WO 2001/042022 (2001-06-01), None

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