Liquid storage container and liquid consumption apparatus

1. A liquid storage container comprising:

a first liquid chamber provided with a filler port;

a second liquid chamber partitioned from the first liquid chamber, and communicates with the first liquid chamber via communication opening; and

a float member provided in the second liquid chamber, and a plurality of air chambers provided in the float member.

2. The liquid storage container according to claim 1 ,

wherein each air chamber is covered by a film;

wherein the film is positioned at a position where the film is not opposite to the communication opening.

3. The liquid storage container according to claim 1 , further comprising:

a rib positioned above the float member, and is provided so as to fully cover the float member.

4. The liquid storage container according to claim 1 , further comprising:

a liquid channel configured to flow liquid out of the second liquid chamber through a channel opening in the second liquid chamber;

a valve independent from the float member configured to be actuated by the float member in a first actuation direction, to close the liquid channel at a closing position.

5. The liquid storage container according to claim 4 , further comprising a filter provided between the channel opening and the closing position.

6. The liquid storage container according to claim 4 , further comprising:

a regulation case in which the float member resides, said regulation case being configured to regulate displacement of the float member in a second direction opposite to the first actuation direction;

wherein the regulation case is notched along the second direction.

7. The liquid storage container according to claim 6 ,

wherein the regulation case is notched at a position opposite the film.

8. The liquid storage container according to claim 7 ,

wherein the regulation case is perforated so as to allow a flow of the liquid into the regulation case.