Ink refill unit with cartridge constriction actuators

Details Ink refill unit with cartridge constriction actuators Ink refill unit with cartridge constriction actuators

2007-08-14

2007-08-14

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S042000

Reexamination Certificate

active

11014752

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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