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:
Jan. 07, 2014
Filed:
Dec. 17, 2009
Hitoshi Takada, Yokohama, JP;
Yasuo Kotaki, Yokohama, JP;
Hideki Ogura, Yokohama, JP;
Eiichi Adachi, Kawasaki, JP;
Hitoshi Takada, Yokohama, JP;
Yasuo Kotaki, Yokohama, JP;
Hideki Ogura, Yokohama, JP;
Eiichi Adachi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink tank includes an ink supply connection port connected to a main body of a recording apparatus for supplying ink thereto, a first ink reservoir reserving the ink supplied to a sub-tank, a first ink delivery passage supplying the ink reserved in the first ink reservoir to the ink supply connection port, a one-way valve disposed in the first ink delivery passage that enables the ink to move from the first ink reservoir to the ink supply connection port, a second ink reservoir reserving the ink returned from the sub-tank, and a second ink delivery passage supplying the ink reserved in the second ink reservoir to the ink supply connection port and joins with the first ink delivery passage at a position between the one-way valve and the ink supply connection port.