Patent ID: 8113640

Claim:
A liquid droplet discharging apparatus comprising: a liquid cartridge comprising: a liquid chamber configured to store liquid therein, the liquid chamber having a liquid supply opening and an air communication opening formed therethrough, wherein the liquid supply opening is configured to supply liquid from an interior of the liquid chamber to an exterior of the liquid chamber, and the air communication opening is configured to place the interior of the liquid chamber in communication with the exterior of the liquid chamber; a first closing mechanism configured to selectively cover and uncover the liquid supply opening; and a second closing mechanism configured to selectively cover and uncover the air communication opening; a cartridge mounting portion wherein the liquid cartridge is configured to be removably mounted to the cartridge mounting portion, the cartridge mounting portion having a liquid entry opening formed therethrough; a damper configured to oppose at least a portion of a mounting force which the liquid cartridge receives during a mounting of the liquid cartridge to the cartridge mounting portion, wherein the damper comprises: a recessed portion formed in one of a wall of the liquid cartridge and a wall of the cartridge mounting portion; a protrusion positioned at the other one of the wall of the liquid cartridge and the wall of the cartridge mounting portion, wherein the protrusion is configured to be inserted into the recess; and wherein air between a distal end of the protrusion and a bottom of the recessed portion is pressurized when the protrusion is inserted into the recessed portion during the mounting of the liquid cartridge to the cartridge mounting portion, wherein the first closing mechanism is configured to uncover the liquid supply opening during the mounting of the liquid cartridge to the cartridge mounting portion, the second closing mechanism is configured to uncover the air communication opening during the mounting of the liquid cartridge to the cartridge mounting portion, and the first closing mechanism and the second closing mechanism are positioned such that the air communication opening is uncovered before the liquid supply opening is uncovered.