Ink refill unit with cartridge constriction actuators
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United States of America Patent
Stats
-
Aug 14, 2007
Grant Date -
Jul 21, 2005
app pub date -
Dec 20, 2004
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ink refill unit for replenishing an ink cartridge in an inkjet printer, the ink cartridge having an interface for engaging the ink refill, an ink storage compartment partially defined by a tubular flexible wall, and a constrictor mechanism for constricting the flexible tubular wall by a predetermined amount, the ink refill unit comprising: a body containing a quantity of ink; a docking portion for engaging the interface of the cartridge, the docking portion having an ink outlet for connection to an inlet port on the interface, and a plurality of constrictor actuators for actuating the constrictor mechanism as the ink refill unit engages the interface and releases the constrictor mechanism as the ink refill unit disengages the interface.
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