Gravity Switch for Dolls

The present invention refers to an electric switch which works by gravity and which, having manifold applications, is especially designed to be used in different dolls.

In the doll-making industry it is of vital importance to obtain new shapes due to the attraction they involve, and so the switch in question, which achieves an effect unknown until now and with numerous applications, proves a considerable advantage over all dolls known and their systems of working.

The switch consists essentially of a weakly insulated conductor rod, provided with a top knob and a bottom widening, through which shank, and with the limitations implied by the knob and widening, an insulating part can shift freely, inside which a conductor element has been built in, which is put into electrical contact with the rod through the bottom widening of the latter when the shifting part is in its lowest position, and loses contact when it is in any other position.

The rod is connected to a conductor wire and the inner metal part to the insulating part to another conductor wire, so that when both parts connect electrically by the fall of the insulating part, a circuit is closed capable of driving a particular mechanism.

Thus, if the insulating part is fixed, for example to the head of a doll and the rod has free movement with respect to it, when we hang the doll from the knob, the circuit closes, for the doll falls by gravity, and when the doll is supported and not hung, the rod goes down until the knob reaches the doll's head or an organ placed on the said head, whereby the circuit is opened and the effect which it is capable of producing disappears.

Applied to a musical doll, it means that when the doll is hung, the music recorded and gathered in a built-in reproducer plays, while when the doll is supported, for example in the rest position, the music does not play.

To explain further the foregoing description, and solely by way of example, some drawings are annexed in which the following have been shown:

FIG. 1. Semi-sectioned elevation view of the insulating part.

FIG. 2. Plan view of the aforesaid insulating part.

FIG. 3. Semi-sectioned elevation view of the rod.

FIG. 4. Closed circuit position.

FIG. 5. Open circuit position.

In these figures, the following elements have been marked with their pertinent references:

1. Insulating part.

2. Coupling surface to the doll's head.

3. Drill.

4. Metal washer.

5. Conductor.

6. Drill.

7. Metal rod.

8. Insulating casing.

9. Knob.

10. Drill.

11. Conductor.

12. Lower widening.

The insulating part 1 has a drill 3 which will be crossed in assembly by the rod 7 wrapped in the insulating material 8, and which has a metal washer 4 built-in to which the end of a conductor 5 is fixed, which runs to the said washer 4 through the drill 6 made in the body of the part 1.

For its part, the metal conductor rod 7 is wrapped in an insulating sheet 8 and has the top knob 9 and a lower widening 12, which is drilled to allow the conductor 11 to be fixed, although said conductor 11 can be fixed to the widening 12 by any other means.

With this arrangement, the part 1 is fixed to a doll's head; to assist this, the surface 2 has been provided with the same shape as the head, the latter being housed between the surface 2 and the top plate of the part 1; Before fixing the part 1 in the doll's head, the rod 7 has been arranged so that it crosses the hole 3, whereby the knob 9 will be in the outside part of the doll and the widening 12 inside it. The conductors 5 and 11 are then connected to the pertinent poles of an electrically driven acoustic device, whereby, when the doll is hung from the knob 9, it falls by gravity until the washer 4 comes into contact with the widening 12 to close the circuit and cause the acoustic device to which we referred, to work, and on the other hand, when the doll rests in a supported position and is not hung up, the rod 7 falls until the knob 9 comes to a stop in the doll's head or in the object placed on the head, for example, a hat, so that the washer 4 and the widening 12 are separated, and the circuit open, so that the acoustic device does not work.