| US 7,490,927 B2 | ||
| Refill unit for simultaneously engaging with, and opening inlet valve to, an ink cartridge | ||
| Kia Silverbrook, Balmain (Australia); Akira Nakazawa, Balmain (Australia); Christopher Hibbard, Balmain (Australia); Paul Ian Mackey, Balmain (Australia); Norman Micheal Berry, Balmain (Australia); and Garry Raymond Jackson, Balmain (Australia) | ||
| Assigned to Silverbrook Research Pty Ltd, Balmain, New South Wales (Australia) | ||
| Filed on Dec. 20, 2004, as Appl. No. 11/14,729. | ||
| Application 11/014729 is a continuation in part of application No. 10/760254, filed on Jan. 21, 2004, granted, now 7,448,734. | ||
| Prior Publication US 2005/0157015 A1, Jul. 21, 2005 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—85 [347/54] | 18 Claims |
| 1. 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 comprising:
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;
and
an outlet valve actuator for closing an outlet valve of the ink storage compartment when the refill unit is docked therewith.
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