| 摘要 |
<p>In order to reduce road surface wear when studded tires are used and to achieve improved safety when studded tires are used on a dry road surface studded tires are used in which the studs (1) are movable between an active and a passive position. For the stud to be maintained in an active, or a passive position, respectively, it is provided in a casing (2) which is provided with a locking mechanism (3; 10, 11, 12) which can lock the stud (1) in a passive and/or an active position. Said locking mechanism may be actuated by electromagnetic means. The casing is provided with sealing means in the expansion end of the studs.</p> |
