Ink compartment refill unit with inlet valve acutator, outlet valve, actuator, and constrictor mechanism actuator
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United States of America Patent
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Mar 8, 2011
Grant Date -
Dec 10, 2009
app pub date -
Nov 3, 2008
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A refill unit for refilling an ink storage compartment that supplies ink to a printhead assembly, the ink storage compartment having an ink interface for receiving the refill unit. The refill unit comprises a body containing a quantity of ink; an inlet valve actuator for opening an inlet valve of the ink storage compartment when the refill unit is docked therewith; an outlet valve actuator for closing an outlet valve of the ink storage compartment when the refill unit is docked therewith; and a constrictor actuator adapted to be received into an aperture of the ink storage compartment when the refill unit is docked therewith, the constrictor actuator operable to engage a bag constrictor of the ink storage compartment through the aperture to cause a volume of the bag to be decreased.
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