US 7,524,043 B2
Refill unit for engaging with, and closing the outlet valve from an ink storage compartment
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. 11/14,733.
Application 11/014733 is a continuation in part of application No. 10/760254, filed on Jan. 21, 2004, granted, now 7,448,734.
Prior Publication US 2005/0157016 A1, Jul. 21, 2005
This patent is subject to a terminal disclaimer.
Int. Cl. B41J 2/17 (2006.01)
U.S. Cl. 347—84  [347/85] 20 Claims
OG exemplary drawing
 
1. A refill unit for refilling a negatively pressurized ink storage compartment that supplies ink to a printhead assembly via a normally open outlet valve, the refill unit comprising:
a body having a deformable ink bag containing a quantity of ink; and
an outlet valve actuator for closing the outlet valve as the refill unit engages the ink storage compartment.