| 摘要 |
An anti-skid device for preventing slippage of a wheel is disclosed. The anti-skid device comprises a cylindrical expandable member disposed on a tread portion of a tire, and compressed fluid supplying means. The expandable member has anti-skid members implanted at a radially outer portion of the expandable member, and the expandable member is formed with a hole at a radially inner portion thereof. The compressed fluid supply means is connectable to the hole of the expandable member. The expandable member is expanded upon supply of compressed fluid into the hole, and is shrunk upon discharge of the compressed fluid therefrom.
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