Patent ID: 8292414

Claim:
An ink cartridge that is attachable to and detachable from an imaging apparatus, the ink cartridge comprising: an ink accommodating unit; and a cartridge casing having an opening, wherein the ink accommodating unit comprises: an ink accommodating body accommodating an ink; and an ink supplying portion which includes a nozzle insertion path and is connected to the ink accommodating body to enable suction of the ink via the opening of the cartridge casing by a suction nozzle of the imaging apparatus, wherein the ink supplying portion is held by the cartridge casing so that the ink supplying portion is rotatable relative to the cartridge casing between a position where the nozzle insertion path faces the opening of the cartridge casing and a position where the nozzle insertion path faces an inner wall surface of the cartridge casing, and when the ink cartridge is attached to the imaging apparatus the ink supplying portion is rotated to direct the nozzle insertion path toward the opening of the ink cartridge, and when the ink cartridge is detached from the imaging apparatus the ink supplying portion is rotated to direct the nozzle insertion path toward the inner wall surface of the cartridge casing.