Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2005-08-01
2008-08-12
Vo, Anh T. N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S030000, C347S092000
Reexamination Certificate
active
07410248
ABSTRACT:
An ink jet printer including a carriage which is movable relative to a sheet of paper, a recording head which is mounted on the carriage and records an image on the sheet by ejecting a droplet of ink toward the sheet, one or more ink tanks which store the ink or inks to be supplied to the recording head, a buffer tank which is mounted on the carriage, and one or more ink flow passages in which the inks are supplied from the ink tanks to the recording head via the buffer tank. The buffer tank has, at a height position higher than a height position where the recording head is provided, one or more air buffer chambers which accommodate respective amounts of the inks, and collect air bubbles produced in the ink flow passages. The printer further includes one or more air bubble discharging passages which communicate, at one ends thereof, with upper portions of the air buffer chambers, and discharge, via the other ends thereof, the air bubbles collected by the air buffer chambers.
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Kaga Hikaru
Shimizu Seiji
Shimizu Yoichiro
Suzuki Tsuyoshi
Umeda Takaichiro
Brother Kogyo Kabushiki Kaisha
Oliff & Berridg,e PLC
Vo Anh T. N.
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