Patent ID: 6860306

Claim:
A slip-preventing device comprising a plurality of arm frames, each of the arm frames including a pair of crossing components bent in order being contacted with an inner sidewall, a tread and an outer sidewall of a tire, each of the arm frames including an inner side component connecting the pair of the crossing components with each other along part of an inner circumferential edge of the inner sidewall of the tire at the inner side of the tire, and each of the arm frames including a pair of outer side components each of which extends in a circumferential direction of the tire along part of an inner circumferential edge of the outer sidewall of the tire from the pair of the crossing components at the outer side of the tire, each of the arm frames having a link unit at each leading end of the outer side components so as to link detachably with the other arm frames fitted next in the installation on the tire, and the arm frames being linked by the link unit with each other in the installation on the tire.