Tank connectable to liquid container, and liquid supplying system including tank and liquid container

A liquid supplying system comprising a liquid container and a tank,

• wherein the liquid container comprises:
• a casing;
• a container storage chamber defined in the casing and configured to store liquid therein;
• a supply opening providing fluid communication between the container storage chamber and an outside of the casing;
• and
• a counter-fitting portion provided at the casing,
• wherein the tank comprises:
• a tank body defining therein a tank storage chamber configured to store therein liquid;
• a recessed portion provided at the tank body and having an injection opening in communication with the tank storage chamber, the recessed portion having a connection opening through which the liquid container is connectable;
• a slider positioned in the recessed portion and rotatable relative to the recessed portion, the slider including a nozzle extending toward the connection opening in an extending direction, the nozzle having a communication opening configured to communicate with the injection opening of the recessed portion, and the slider being movable toward and away from the connection opening in the extending direction relative to the recessed portion in accordance with rotations of the slider;
• a first fitting portion provided at the slider and configured to be fitted with the counter-fitting portion;
• and
• a sealing member configured to provide a liquid tight sealing to a gap between the slider and the recessed portion, and configured to also allow the liquid to flow between the communication opening of the nozzle and the injection opening of the recessed portion.