| 摘要 |
An arrangement in studded tire with retractable studs (7), including a movable wall (3) which defines an air chamber (4) together with the inside (2) of the tire, said chamber being inflatable for urging the studs attached to the wall out through passages (1a) in the tread of the tire. The arrangement also includes locking means (6, 10, 18-20) in the tire in association with the passages (1a) for locking the studs (7) in their protrudent position. |
