Print head reservoir having purge vents

Details Print head reservoir having purge vents Print head reservoir having purge vents

2006-10-17

2006-10-17

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S093000

Reexamination Certificate

active

07121658

ABSTRACT:
A print head reservoir for use in an ink jet printer includes a body, an ink bucket, and a filter. The body defines an ink cavity. The cavity includes a cavity inlet, a cavity outlet and a vent positioned above the cavity inlet for bleeding air from the ink cavity. The ink bucket attaches to the body. The ink bucket communicates with the cavity via the cavity inlet. The filter is disposed in the cavity dividing the cavity into an upstream filter cavity and a downstream filter cavity.

REFERENCES:
patent: 5546109 (1996-08-01), Nakano
patent: 5936650 (1999-08-01), Ouchida et al.
patent: 6089686 (2000-07-01), Thornton et al.
patent: 6152559 (2000-11-01), Kojima
patent: 6752493 (2004-06-01), Dowell et al.
patent: 6755515 (2004-06-01), Usui et al.

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