PROPULSION-UNIT AND ROBOT PROVIDED WITH SUCH A PROPULSION-UNIT

摘要

A propulsion-unit provided with a body and comprising at least one element having an external adhesive layer for providing frictional contact with an object's surface along which the unit in use moves, wherein the element is a supporting layer that supports said adhesive layer, and wherein drive means are provided for moving the supporting layer and the body with respect to each other.