Patent ID: 7909440

Claim:
A liquid container adapted to be removably mounted on a portable liquid ejecting unit having a liquid ejecting head for ejecting a liquid toward an object, said portable liquid ejecting unit being able to independently perform a liquid ejection operation to said object both when it is separated from and when it is mounted on and separably united with a stationary unit having a liquid tank storing a liquid to be fed to said liquid ejecting head, comprising: a container body including a storage space for storing a liquid to be fed to said liquid ejecting head; a liquid feed port installed on said container body, said liquid feed port being structured so as to removably receive a liquid feed needle installed on said portable liquid ejection unit used to interconnect said storage space of said container body and said liquid ejecting head with each other when said liquid container is mounted on said portable liquid ejecting unit with the liquid feed needle inserted into the liquid feed port; and a liquid injection port installed on said container body, said liquid injection port being structured so as to interconnect said storage space of said container body and said liquid tank of said stationary unit with each other when said portable liquid ejecting unit on which the liquid container is mounted is united with said stationary unit; said liquid injection port including a valve to seal the storage space of the container body at the location of the valve, said valve constructed to be in an unsealed condition when a liquid injection needle on the stationary unit is inserted therein and the liquid feed port and the liquid injection port are arranged on opposite walls of the container body and the liquid injection port is arranged on an axis of an insertion direction of the liquid feed needle into the liquid feed port.