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:
May. 31, 2016
Filed:
May. 19, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Ryoji Inoue, Kawasaki, JP;
Yasuo Kotaki, Yokohama, JP;
Tetsuya Ohashi, Matsudo, JP;
Hitoshi Takada, Yokohama, JP;
Takashi Fukushima, Yokohama, JP;
Hironori Murakami, Tokyo, JP;
Norihiro Ikebe, Kawasaki, JP;
Hironori Fukuchi, Kawasaki, JP;
Kyosuke Toda, Kawasaki, JP;
Hiroki Hayashi, Kawasaki, JP;
Takatoshi Kitagawa, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes a liquid storage chamber capable of holding a liquid, a liquid communication pipe communicating with the liquid storage chamber and being configured to supply the liquid from a liquid tank to the liquid storage chamber by installing the liquid tank to the pipe to communicate with the liquid tank, a discharge port communicating with the liquid storage chamber to discharge the liquid, an electrode pair each having an outside end portion located outside the liquid storage chamber and detecting a liquid level of the liquid storage chamber, and an electric contact portion connected to the outside end portion of each of the electrode pair. The electric contact portion is located above the liquid communication pipe with a discharge port surface on which the discharge port opens taking a position facing perpendicularly downward.