Patent ID: 9150029
Filing Date: 2015-10-06
Classification: B41J

Abstract:
1. A liquid ejection device comprising: a liquid ejection section including a plurality of nozzles and being configured to eject a plurality of kinds of liquids, each of the nozzles being configured to eject one kind of liquid among the plurality of kinds of liquids; and a liquid supply section configured to supply the plurality of kinds of liquids to the liquid ejection section, wherein the liquid supply section includes: two first outlet ports which are separated from each other in a first direction intersecting with a vertical direction and through which a first kind of liquid among the plurality of kinds of liquids flows toward the liquid ejection section; a first air-trap chamber which communicates with the two first outlet ports and which protrudes to one side of a second direction intersecting with the vertical direction and the first direction relative to the two first outlet ports; a first liquid introduction passage connected to the first air-trap chamber; and a first air discharge passage connected to the first air-trap chamber, and wherein a portion, connecting the two first outlet ports, of the first air-trap chamber has an arc shape in a plane containing the first direction and the second direction or a bent portion of the portion, connecting the two first outlet ports, of the first air-trap chamber has an obtuse angle in the plane.