The present invention relates to a device for the automatic demounting of a tire from a rim having: - a support arm (4) being liftable and lowerable in a direction substantially parallel to the rotation axis (x-x), - a demounting tool (10) articulated to t...

Improved implement for demounting and mounting those self-supporting tyres which comprise a tyre with beads of different diameters and a support ring to be inserted into the well in the wheel rim, this latter being provided with seats for receiving the dif...