Patent ID: 8256871
Filing Date: 2012-09-04
Classification: B41J

Abstract:
1. An inkjet printhead for selectively ejecting ink onto an image receiving surface, the inkjet printhead comprising: a reservoir for containing a supply of ink and an air space above the supply of ink, the reservoir defined by a plurality of sidewalls, an upper wall, and a lower wall; an ink inlet formed in one of the plurality of sidewalls, the upper wall, and the lower wall; a vent opening formed in one of the plurality of sidewalls, the upper wall, and the lower wall; and a vent member extending from the vent opening, the vent member having a first vent member opening positioned in an air space outside of the reservoir, a second vent member opening positioned in the air space above the supply of ink, and a vent channel configured to couple fluidly the first vent member opening to the second vent member opening, the second vent member opening being positioned within the reservoir to enable the second vent member opening to remain within the air space above the supply of ink regardless of an orientation of the reservoir.