Abstract: The spindle for fitting vehicle wheel rims on workshop machines, particularly tyre-changing machines or the like, comprises a frame associable in rotation around a work axis with a workshop machine, at least three gripping adapters of the rim of a wheel associable with the frame and moving along respective approach and away movement directions with respect to the work axis, at least a fluid-operated actuator cylinder associated with one of the gripping adapters and suitable for moving the adapter along the corresponding approach and away movement direction, at least three racks, each of which is associated with one gripping adapter and extends substantially parallel with the corresponding approach and away movement directions, and a pinion meshed with the racks.

Abstract: The spindle for fitting vehicle wheel rims on workshop machines, particularly tyre-changing machines or the like, comprises a frame associable in rotation around a work axis with a workshop machine, at least three gripping adapters of the rim of a wheel associable with the frame and moving along respective approach and away movement directions with respect to the work axis, at least a fluid-operated actuator cylinder associated with one of the gripping adapters and suitable for moving the adapter along the corresponding approach and away movement direction, at least three racks, each of which is associated with one gripping adapter and extends substantially parallel with the corresponding approach and away movement directions, and a pinion meshed with the racks.

Abstract: A device for automatically moving vehicles along guide ways of lifts is constituted by a pusher carriage movable horizontally with a corresponding actuator on a guide that is longitudinally fixable to at least one of the guide ways and is provided with at least one pair of arms that are articulated thereto and rotate in a scissor-like fashion on a horizontal plane flush with the upper resting surface of the guide way, from an active position, in which they are parallel one another and adjacent to at least one wheel and lie transversely above the wheel, to an inactive position, in which they are divaricated and aligned parallel to the wheel.

Abstract: A device for automatically moving vehicles along guide ways of lifts is constituted by a pusher carriage movable horizontally with a corresponding actuator on a guide that is longitudinally fixable to at least one of the guide ways and is provided with at least one pair of arms that are articulated thereto and rotate in a scissor-like fashion on a horizontal plane flush with the upper resting surface of the guide way, from an active position, in which they are parallel one another and adjacent to at least one wheel and lie transversely above the wheel, to an inactive position, in which they are divaricated and aligned parallel to the wheel.