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.
Patent No.:
Date of Patent:
Aug. 12, 2008
Filed:
Aug. 01, 2005
Takaichiro Umeda, Nagoya, JP;
Hikaru Kaga, Aisai, JP;
Tsuyoshi Suzuki, Owariasahi, JP;
Seiji Shimizu, Ogaki, JP;
Takamasa Usui, Nagoya, JP;
Yoichiro Shimizu, Kasugai, JP;
Takaichiro Umeda, Nagoya, JP;
Hikaru Kaga, Aisai, JP;
Tsuyoshi Suzuki, Owariasahi, JP;
Seiji Shimizu, Ogaki, JP;
Takamasa Usui, Nagoya, JP;
Yoichiro Shimizu, Kasugai, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
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.