Bead-breaking mechanism

B - Operations – Transporting – 60 – C

Patent

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157/4

B60C 25/132 (2006.01) B60C 25/02 (2006.01)

Patent

CA 1117859

ABSTRACT OF THE DISCLOSURE A tire changing apparatus is provided in which a lower bead-breaking shoe is pivotally mounted on a lever arm at one distance from the lever fulcrum and in which power is transmitted to the lever arm at a greater dis- tance from the lever arm fulcrum. The bead breaking shoe is of such form that the leading edge of the shoe meets the wheel rim with its center line spaced there- from and engages the tire bead at substantially the leading edge center line, thereafter engagement expanding progressively about the tire bead perimeter.

322699

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