Printhead assembly incorporating an elastomeric feed member

Details Printhead assembly incorporating an elastomeric feed member Printhead assembly incorporating an elastomeric feed member

2005-12-06

2005-12-06

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S085000

Reexamination Certificate

active

06971734

ABSTRACT:
A printhead assembly includes an elongate support structure. A number of elongate printhead modules are positioned on the support structure, along a length of the support structure. Each printhead module includes an elongate elastomeric feed member that is positioned on the support structure. The feed member defines a number of longitudinally extending flow passages that are connectable to at least an ink supply and a plurality of outlet holes in a surface of the feed member in fluid communication with the flow passages. An ink distribution assembly is positioned on the feed member. The ink distribution assembly defines a mounting formation to permit a printhead chip to be mounted on the ink distribution assembly. The ink distribution assembly defines a plurality of ink inlets in fluid communication with the outlet holes of the feed member. A plurality of exit holes and tortuous ink flow paths are defined from each ink inlet to a number of respective exit holes. A printhead chip is mounted on the ink distribution assembly so that at least 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: 6655786 (2003-12-01), Foote et al.

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