Patent ID: 8496321

Claim:
A liquid cartridge comprising: a cartridge main body comprising a liquid chamber configured to store liquid therein and an end surface, wherein the cartridge main body has a first side and a second side opposite from the first side in a width direction; and a liquid supply portion protruding from the end surface of the cartridge main body in a protruding direction which is perpendicular to the width direction and configured to supply liquid from an interior of the liquid chamber to an exterior of the liquid chamber, wherein the liquid chamber comprises a wide portion and a narrow portion which is narrower than the wide portion in the width direction, and the narrow portion is offset toward the first side of the cartridge main body in the width direction, and wherein, when the liquid cartridge is oriented such that the liquid supply portion faces downward in a direction of gravity and liquid is stored in the narrow portion, a position of a center of gravity of the liquid cartridge is offset in the width direction toward the first side of the cartridge main body from an area occupied by the liquid supply portion when the liquid cartridge is viewed in a vertical direction.