Patent ID: 6886619
Filing Date: 2005-05-03
Classification: B60C

Abstract:
1. A tire assembling-disassembling machine comprising: a supporting, locking and rotating device for a wheel-rim for a vehicle tired-wheel about the axis of rotation of the wheel, at least one bead releasing assembly provided with a fixed support structure and a pair of supports extendible-retractable in a substantially radial direction with respect to said axis of rotation starting from said fixed support structure and slidingly mounted along guide means thereby being movable towards and away from each other, at least one bead releasing roller carried at one end of a respective extendible-retractable support away from said rigid support structure, driving means for moving said pair of arms towards and away from each other, a tool for fitting a tire onto a wheel-rim, control means for radially extending-retracting each extendible-retractable support and controllable locking-releasing means for each support in an extended position thereof, and additional controllable driving means to effect an additional extension of its respective support when this is locked in its extended working position by said locking-releasing means.