| 摘要 |
PURPOSE: Chain type climbing irons are provided to improve braking power on a snowy road and an icy road and chain joint stiffness. CONSTITUTION: Chain type climbing irons comprise: a spike main body(110) which is made of a metal material and has a doughnut shape by forming a closed loop; a spike blade(120) which is integrally expanded to the outside or inside from the doughnut shape of the spike main body and is projected; a plurality of coupling holes(111) which are punched in the spike main body; and a spike having a linkage combined with a chain. |
