Patent ID: 9193159
Filing Date: 2015-11-24
Classification: B41J

Abstract:
1. A liquid retainer which is removably mounted on a liquid ejecting apparatus, the liquid retainer comprising: a container body; a pressure chamber which is formed by at least a portion of a compartment of the container body and a flexible member covering the portion of the compartment of the container body; an air vent communicating between an inside of the container body and an atmosphere; a supply chamber communicating with the air vent, the supply chamber being provided upstream from the pressure chamber; a valve configured to open and close a passage which is provided between the supply chamber and the pressure chamber; and a first urging member which is disposed in the pressure chamber and urges the flexible member in a direction to increase a volume of the pressure chamber, wherein the valve is configured to be opened when an internal pressure of the pressure chamber becomes a negative pressure relative to an atmospheric pressure.