Patent ID: 8727514
Filing Date: 2014-05-20
Classification: B41J

Abstract:
1. A liquid injecting apparatus equipped with a liquid storing member, which stores liquid; a liquid injecting head, which injects liquid; a liquid supply passage, for supplying said liquid to the liquid injecting head from the liquid storing member; and a valve unit, which is provided in the liquid supply passage, the valve unit having: a supply chamber, into which liquid to be supplied from the liquid storing member flows; a pressure chamber, in which liquid to be led out to the liquid injecting head is stored; a liquid supply channel, which connects the supply chamber with the pressure chamber so that the liquid is supplied from the supply chamber to the pressure chamber; and a valve, which allows a supply of the liquid from the supply chamber to the pressure chamber by a negative pressure generated in the pressure chamber as the liquid is injected from the liquid injecting head, wherein the liquid supply channel has a supply chamber opening which opens to the supply chamber side and a pressure chamber opening which opens to the pressure chamber side, and wherein the valve has a valve body which is located in the supply chamber and selectively opens and closes the supply chamber opening.