Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1996-10-24
1999-11-30
Le, N.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
347 94, B41J 2175
Patent
active
059929901
ABSTRACT:
An ink delivery system of an inkjet printer includes a scanning carriage having an ink interconnect coupled, via a flexible tube, to an ink output of a stationary pressure regulator. An ink input of the pressure regulator is connected, via a tube, to a stationary ink supply having replaceable ink cartridges. A relatively small semi-permanent, but replaceable, or permanent print cartridge contains one or more printheads and one or more ink interconnects, one interconnect for each color ink which is printable by the print cartridge. The print cartridge is inserted in the scanning carriage so as to create a fluid coupling between the printhead and the flexible tube leading to the scanning carriage. In the preferred embodiment, the ink pressure regulator is located proximate to the rest position of the carriage to prevent drooling from the printhead should the printer be tipped to a non-level orientation. To avoid ink pressure spikes due to the momentum of the ink in the flexible ink tube as the carriage scans across the medium, a flexible diaphragm is incorporated in the ink chamber of the print cartridge.
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Childers Winthrop D.
Pawlowski, Jr. Norman E.
Hewlett--Packard Company
Le N.
Nguyen Judy
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