The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 13, 2013

Filed:

Jun. 23, 2010
Applicant:

Kazutaka Tamaki, Tomi, JP;

Inventor:

Kazutaka Tamaki, Tomi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink supply device for an inkjet printer includes a sub-tank and a main tank. The sub-tank has an ink chamber to store liquid ink and is connected to a print head configured to eject the liquid ink via a head-side supply passage. The sub-tank has a plurality of supply holes which connect the ink chamber and the head-side supply passage. At least two of the plurality of supply holes have their openings on the ink chamber side formed at different heights. The main tank is connected to the sub-tank and contains the liquid ink to be supplied to the ink chamber.


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