Patent ID: 8464774

Claim:
A bead breaker group for bead breaking a tire of a tired wheel equipped with rim with bead-engagement flanges, said bead breaker group comprising a support and at least one bead breaker tool mounted for rotation around a pin borne by said support, and wherein said bead breaker tool is substantially flat and comprises: at least one peripheral portion configured as an abutment front against a flange of a rim of a tired wheel to be bead broken; and at least one portion having curved peripheral edge substantially coaxial with the pin and intended to act as an engagement-penetration zone between the flange of a rim and the bead of a tire to be bead broken, the distance between said abutment front and said pin being less than the distance between said pin and said at least one engagement-penetration zone wherein said bead breaker tool is configured as a sectioned roller lacking a segment thereof, thereby having a rectilinear front.