Advanced traction device

Abstract

The invention is a traction device such as a wheel or track comprising a tire, this device changing its geometry according to the vehicle's load and the terrestrial or fluid medium on which it travels. Figure from the abstract: Fig. 1

Claims

rotation of the wheel in the case where this device is a wheel than that of the sprocket or of a roller in the case where this device is a track.

5. Power transmission device according to claim 4 characterized in that a blade (21) comprises an elastic link (212) connecting it with said secondary shaft (40)

6. Power transmission device according to any one of the preceding claims characterized in that a blade (21) includes a means for increasing its pressure generation surface with cyclic movement during its deployment.

7. Power transmission device according to claim 6 characterized in that said means for increasing its surface area is a deformable part (2100).

8. Power transmission device according to any one of the preceding claims characterized in that it comprises a guiding means (300) ensuring the radial retention of the blade stems, rotating about the axis of rotation of said power transmission device.

9. Power transmission device according to any one of the preceding claims characterized in that it comprises carvings having a shape similar to that of said blades when the latter are retracted.

10. Vehicle comprising a power transmission device according to any one of the preceding claims. [Fig. [Fig. 5] 22

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