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:
Feb. 02, 2010
Filed:
Jun. 07, 2006
Applicants:
Takaichiro Umeda, Nagoya, JP;
Hiroaki Yazawa, Nagoya, JP;
Hisaki Sakurai, Aichi-ken, JP;
Hikaru Kaga, Aisai, JP;
Inventors:
Takaichiro Umeda, Nagoya, JP;
Hiroaki Yazawa, Nagoya, JP;
Hisaki Sakurai, Aichi-ken, JP;
Hikaru Kaga, Aisai, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switching unit is provided near a tube for connecting an atmosphere communicating section of an ink cartridge to a charge tank. This switching unit comprises: a base; and a pressing mechanism arranged inside the base and capable of individually pressing tubes, so that the switching unit can apply the pressure from the charge tank and the tube pump selectively onto a plurality of the ink cartridges.