| 摘要 |
<p>There is provided a tyre assembly (14) having a tyre (24), a moveable structure (50) and an expandable chamber (31) positioned within the tyre, the expandable chamber being arranged to displace the movable structure in vise between the retracted position and a deployed position, wherein the movable element contacts an inner surface of the tyre when in its deployed position so as to alter an outer profile of the tyre.</p> |
