Patent ID: 8141992
Filing Date: 2012-03-27
Classification: B41J

Abstract:
1. A liquid storage container adapted to be attached to a liquid-consuming apparatus, the liquid storage container comprising: at least one liquid storage chamber that stores liquid therein; a liquid-supplying hole configured to be connected to an ink supply needle of the liquid-consuming apparatus; at least one liquid guide path configured to guide the liquid stored in the liquid storage chamber to the liquid-supplying hole; an atmosphere communicating path configured to allow atmospheric air to flow into the liquid storage chamber from the outside as the liquid in the liquid storage chamber is consumed; and a liquid remaining-amount sensor disposed at an intermediate position of the liquid guide path and determining that the liquid in the at least one liquid storage chamber has run out when a flow of gas into the liquid guide path is detected, wherein the at least one liquid storage chamber has a bottom wall having a concavity, and a liquid outlet that communicates with the liquid guide path is provided at the bottom of the concavity, and wherein the at least one liquid guide path and the liquid remaining-amount sensor are provided downstream of the liquid outlet of the at least one liquid storage chamber and upstream of the liquid-supplying hole.