Stuffed chair with one or more seats, in particular armchair or couch

1. A stuffed chair with one or more seats, comprising

a seat;

a backrest;

at least one mobile part, which is configured to move relative to a fixed part;

an actuating device to actuate the mobile part; and an electrical circuit to supply power to the actuating device;

wherein the seat defines a cavity, which opens up outwards in correspondence to an outer surface of the seat; a containing box, which is housed completely inside the cavity and is provided with an inlet that opens up outwards in correspondence to said outer surface;

a rechargeable battery, which is mounted inside the box through the inlet and is moveable between an operating position, in which the battery is and is connected to the electrical circuit, and an extended position, in which the battery projects outside the box and can be disconnected from the electrical circuit;

a coupling device which is moveable between a locking position, in which the battery is locked in its operating position, and a release position; and

a thrust spring which is interposed between the box and the battery so as to move the battery to the extended position, when the coupling device is arranged in the release position;

wherein, in the operating position, the battery is completely housed inside the box.

2. A stuffed chair according to claim 1 , wherein the coupling device comprises an elastically deformable tooth, which is obtained in the box and is normally arranged in said locking position.

3. A stuffed chair according to claim 2 , wherein the coupling device further comprises a release push button, which projects outwards from the box in correspondence to the inlet and is mobile, relative to the box, between an operating position, in which the release push button engages the tooth in order to move it to said release position, and a rest position.

4. A stuffed chair according to claim 3 , wherein the coupling device further comprises a further thrust spring, which is interposed between the box and the release push button so as to move the release push button to the rest position.

5. A stuffed chair according to claim 1 , further comprising a connection device, which is obtained partly on the battery and partly on the box, so as to connect the battery and the electrical circuit to one another, when the battery is arranged in its operating position.

6. A stuffed chair according to claim 5 , wherein the box is cup-shaped and is delimited by a bottom wall; the connection device comprising a first plurality of electrical contacts obtained on the battery and a second plurality of electrical contacts obtained on the bottom wall and connected to the electrical circuit.

7. A stuffed chair according to claim 1 , wherein the battery and the electrical circuit comprise respective electrical cables that are connectable to one another.

8. A stuffed chair according to claim 1 , wherein the battery is delimited by an end face that can be accessed from the outside in correspondence to said inlet.

9. A stuffed chair according to claim 8 , wherein the end face has a power supply connector to charge the battery and at least one light indicator to display the charge state of the battery itself.

10. A stuffed chair according to claim 1 , wherein the stuffed chair is selected from the group consisting of an armchair and a couch.

11. A stuffed chair according to claim 4 , wherein the further thrust spring is effective to maintain the release push button in the rest position.