Patent ID: 7591295

Claim:
A bead breaking apparatus for use with a tire changing machine which includes a base, an arm having a first end pivotally connected to the base so as to rotate around a vertical axis, and a bead breaking tool mounted on a second end thereof, the arm being rotatable to move the bead breaking tool between a home position remote from the base and a working position near the base, the bead breaking apparatus comprising: a pad against which a wheel having a tire mounted on a rim can be positioned for breaking a bead between the tire and rim when the bead breaking tool is in its working position, and an adjustable supporting device for mounting the pad on the base, said adjustable supporting device comprising: a first body which mounts said pad and which provides first lateral slots, a second body which is attachable to the base and which provides second lateral slots, a first substantially horizontal rod which has a first end that extends through respective first and second slots of said first and second bodies to enable the first body to be reciprocatingly and kinematically, slidable relative to the second body and enable substantially horizontal telescopic movement of the first body from a closed position near the base to an open position remote from the base, and an operating device for moving said first body to a plurality of working configurations relative to the base.