Ink supply apparatus and ink jet recording apparatus

Details Ink supply apparatus and ink jet recording apparatus Ink supply apparatus and ink jet recording apparatus

2007-04-13

2010-10-05

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S092000

Reexamination Certificate

active

07806520

ABSTRACT:
An ink supply apparatus for supplying ink from an ink tank to a recording head includes an atmosphere communication chamber that is connected to the ink tank, a first hollow tube that connects the atmosphere communication chamber to the outside air wherein one end is extended into the atmosphere communication chamber, and a second hollow tube that connects the atmosphere communication chamber to the outside air wherein one end is extended into the atmosphere communication chamber. The length of extension of the second hollow tube is different from the length of extension of the first hollow tube.

REFERENCES:
patent: 4419678 (1983-12-01), Kasugayama et al.
patent: 6805437 (2003-12-01), Yamanaka
patent: 6702433 (2004-03-01), Kono
patent: 2002-307709 (2002-10-01), None

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