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US 8,075,117 B2Granted
Printing fluid container
AssigneeHewlett-Packard Development Company, L.P.
InventorsCharlie Steinmetz, Daniel W. Petersen, Curt Gonzales, Peter G. Hwang, Lisa M. Hanson
Life of this patent
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Abstract
A printing-fluid container includes a reservoir having a leading surface with an outer perimeter. Redundant interface elements are recessed from the leading surface interior the outer perimeter.
Claims20
An off-axis printing-fluid container configured to hold a volume of printing fluid, comprising:
- a front face, wherein the front face includes a top edge, a bottom edge, a right edge, and a left edge;
- a body defining an inner cavity, wherein the front face and the body are exterior the inner cavity;
- an air interface passing into the inner cavity through the front face;
- a printing-fluid interface passing into the inner cavity through the front face;
- a first recessed portion of the front face extending but not opening into the inner cavity of the body;
- and
- a second recessed portion of the front face extending but not opening into the inner cavity of the body;
- and
- a free volume of printing fluid held within the inner cavity,
- wherein the air interface passes into the inner cavity through the front face proximate the top edge and distal the bottom edge, and the printing-fluid interface passes into the inner cavity through the front face proximate the bottom edge and distal the top edge, wherein the first recessed portion is intermediate the air interface and the printing-fluid interface and proximate the air interface, and wherein the second recessed portion is intermediate the air interface and the printing-fluid interface and proximate the printing-fluid interface.
7 more elements
Dependencies are inferred from the claim text.