| 摘要 |
<p>An automatic bead release device for tyre removal machines, comprising, for supporting the wheel rim complete with tyre, rotary means associated with a frame which supports a bead release disc (286) in contact with the tyre just external to the flange of the wheel rim, a shaft (27) parallel to its axis of rotation, on which said frame slides to approach and withdraw from the wheel rim, means for moving said frame along said shaft, and means for lightly inserting said disc below the flange of the wheel rim after it has come into contact with it. <IMAGE></p> |
