Patent ID: 9352576
Filing Date: 2016-05-31
CPC Classification: B41J

Claim Text:
1. A liquid discharge head comprising: 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 electrode of the electrode pair, wherein the electric contact portion is located above the liquid communication pipe with a discharge port surface on which the discharge port opens facing perpendicularly downward, and wherein the electrode pair extends through a wall of the liquid storage chamber, with the outside end portions being outside the liquid storage chamber and inside end portions located in the interior of the liquid storage chamber, and the inside end portions are located below the liquid communication pipe.