Patent Number: 6,254,226

Title: Liquid ink cartridge with recessed fill hole and ink tank vent

Abstract: A fluid cartridge, such as a cartridge for filling with ink for use in ink jet printhead includes a wick chamber that has outer walls, including a top wall, and an ink chamber formed of a plurality of outer walls. A fluid conduit connects the ink chamber and the wick chamber. The outer walls of the ink chamber are formed to provide no fluid communication between the ink chamber and the ambient environment, except through the fluid conduit and the wick chamber. A vent opening through the top wall of the wick chamber provides communication between the wick chamber and the ambient environment, and an outlet opening through an outer wall other than the top wall of the wick chamber provides fluid communication for the ink to flow from the wick chamber. A vent tube extends from the vent opening into the interior of the wick chamber, and projections extend from the top wall of the wick chamber into the interior of the wick chamber, farther than does the vent tube.

Inventors: Lengyel; Dennis M. (Hemlock, NY), Nguyen; Hiep H. (Rochester, NY)

Assignee: Xerox Corporation

International Classification: B41J 2/175 (20060101); B41J 002/175 ()

Expiration Date: 07/03/2018