Patent ID: 9308733
Filing Date: 2016-04-12
CPC Classification: B41J

Claim Text:
1. A liquid cartridge comprising: a first outer face; a second outer face opposite the first outer face; a liquid chamber positioned between the first outer face and the second outer face and configured to store liquid therein, wherein the liquid has a first specific gravity; a liquid supply portion positioned at the first outer face and configured to supply the liquid from an interior of the liquid chamber to an exterior of the liquid chamber; a movable member positioned in the liquid chamber and comprising a detection portion and a float, wherein the float has a second specific gravity which is less than the first specific gravity; and a restriction member comprising an operation portion and a restriction portion, wherein the operation portion is operable from the exterior of the liquid chamber and movable between a first position and a second position, and the second position is closer to the second outer face than the first position is, wherein the restriction portion is configured to move when the operation portion moves from the first position to the second position, wherein when the operation portion is in the first position, the restriction portion is configured to directly contact the movable member in the liquid chamber such that movement of the float is restricted within a restricted range and the float is submerged in the liquid in the liquid chamber, wherein when the operation portion is in the second position, the restriction portion is configured to release the movable member such that the float is positioned in a free range which is above the restricted range.