IP Library Granted Patent US 7,004,577
Granted Patent B2
US 7,004,577 · App. 11/124,292 · Granted Feb 28, 2006

Baffle unit for an ink supply system in a portable printer

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Quick Facts
Patent No.
US 7,004,577
App. No.
11/124,292
Granted
Feb 28, 2006
Kind
B2
Abstract

An ink chamber, suitable for an ink supply system in a portable printer, is provided. The ink chamber comprises a baffle unit with plurality of baffles for minimizing ink flow fluctuations in the ink supply system. The ink chamber and the baffle unit are typically elongate and divided into a plurality of elongate sections, each section corresponding to a different colored ink. The baffles are typically transverse baffles in the elongate ink chamber.

Claims (6)

1. A baffle unit arranged for operation in an ink chamber of an ink supply system in a portable printer, the baffle unit cooperating sealingly with a housing and comprising a plurality of baffles for minimizing ink flow fluctuations in the ink supply system, wherein the baffle unit is divided into a plurality of separate sections, wherein each section corresponds to a different colored ink.

2. A baffle unit arranged for operation in an ink chamber of an ink supply system in a portable printer, the baffle unit cooperating sealingly with a housing and comprising a plurality of baffles for minimizing ink flow fluctuations in the ink supply system, wherein the baffle unit is divided into a plurality of separate sections, wherein the baffle unit is elongate and divided into a plurality of elongate sections, and wherein the baffle unit comprises a plurality of transverse baffles.

3. The baffle unit of claim 2 , wherein the baffle unit comprises a longitudinally recessed base for mounting an ink manifold.

4. The baffle unit of claim 3 , wherein the recessed base comprises a plurality of ink outlets for fluid communication with a corresponding plurality of ink inlets in the ink manifold.

5. A baffle unit arranged for operation in an ink chamber of an ink supply system in a portable printer, the baffle unit cooperating sealingly with a housing and comprising a plurality of baffles for minimizing ink flow fluctuations in the ink supply system, wherein the baffle unit is divided into a plurality of separate sections, wherein each section of the baffle unit comprises a pierceable end wall portion for providing fluid communication with a corresponding ink reservoir.

6. A baffle unit arranged for operation in an ink chamber of an ink supply system in a nortable printer, the baffle unit cooperating sealingly with a housing and comprising a plurality of baffles for minimizing ink flow fluctuations in the ink supply system, wherein the baffle unit is divided into a plurality of separate sections, wherein the housing comprises a plurality of hydrophobically sealed breather openings, the openings being permeable to air and impervious to ink.

Assignments (2)
CHANGE OF NAME Recorded Jun 25, 2014
From: ZAMTEC LIMITED
To: MEMJET TECHNOLOGY LIMITED
Reel/Frame 033244/0276 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2012
From: SILVERBROOK RESEARCH PTY. LIMITED AND CLAMATE PTY LIMITED
To: ZAMTEC LIMITED
Reel/Frame 028542/0756 →