Patent ID: 6726315
Filing Date: 2004-04-27
Classification: B41J

Abstract:
A liquid supplying device for supplying liquid to a recording head for discharging liquid, comprising:a liquid container for containing liquid to be supplied to said recording head; a first connecting portion for connecting said recording head and said liquid container; and a second connecting portion having one end thereof in said liquid container, and the other end thereof being open to the air outside, wherein the one end of said second connecting portion connected with said liquid container is positioned lower than the height of a liquid discharge port of said recording head, and an interface between liquid and the air outside exists in said second connecting portion, and by the surface tension of meniscus formed on said interface, negative pressure is generated against the liquid discharge port of said recording head; and wherein said first connecting portion and said second connecting portion extend from a bottom face of said liquid container downward, and are bent upward on the way therefrom, respectively.