Printhead assembly incorporating micromoldings

Details Printhead assembly incorporating micromoldings Printhead assembly incorporating micromoldings

2005-07-19

2005-07-19

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

06918652

ABSTRACT:
A printhead assembly includes an elongate support structure. At least one elongate printhead module is positioned on the support structure, along a length of the support structure. The, or each, printhead module includes a supply structure that is connectable to at least an ink supply and defines a plurality of outlets for the supply of at least ink. A micromolded ink distribution assembly is positioned on the supply structure. The ink distribution assembly defines a mounting formation to permit a printhead chip to be mounted on the ink delivery assembly. A plurality of ink inlets is in fluid communication with the outlets of the supply structure. The distribution assembly defines a plurality of exit holes and tortuous ink flow paths from each ink inlet to a number of respective exit holes. A printhead chip is mounted on the ink distribution assembly 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: 6089693 (2000-07-01), Drake 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.

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