Ink refill unit with incremental ink ejection accuated by print cartridge cradle
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United States of America Patent
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-
Feb 15, 2011
Grant Date -
Dec 11, 2008
app pub date -
Jul 22, 2008
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ink refill unit for a print cartridge is provided. The unit includes a housing which defines a fluid path in fluid communication with an outlet. The unit also includes an ink reservoir having an ejection port arranged in fluid communication with the fluid path inside the housing, and an ejector assembly configured to incrementally eject ink from the reservoir when the assembly is actuated by the print cartridge. The housing defines an aperture via which the print cartridge actuates the ejector assembly.
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