Patent ID: 6848158
Filing Date: 2005-02-01
Classification: B60C,Y10T

Abstract:
1. A device for inserting and extracting a support ring in a tire, comprising: a base for stably positioning and centring the tire in such a way that a central opening of the tire is accessible; a support arranged by a side of the base which is positionable by nearing and distancing to and from a center of the base; a lever moveably pivoted to the support, which can be fixed in positions along a plane passing through the central opening of the tire and arranged radially with respect to the center of the base, an active end of the lever being able to assume at least one external position, in which the active end is outside the central opening of the tire, and at least one internal position, in which the active end is internal of the central opening of the tire and in contacting interaction with an internal surface of a part of the support ring; the active end, by effect of activation of the lever, pressing the part of ring against the inside of the tire with a force having at least one radial component.