| 摘要 |
<p>A bead guide tool for tyre removal machines (15) comprises a rotary shaft on which the wheel rim is secured, a tool carrier arm (1) lying in a plane parallel to the wheel rim and movable parallel to itself away from and towards the wheel rim, a presser roller (10) idle on a shaft locked to the end of said arm and arranged to act on the tyre bead, and a shaped body (4) removably fixed to said shaft upstream of said roller and provided with an appendix (7) to be inserted between the bead and the wheel rim edge to prevent them making mutual contact in proximity to said presser roller. <IMAGE></p> |
