Patent ID: 7428788
Filing Date: 2008-09-30
Classification: A43C

Abstract:
1. Chain-type crampons provided with spikes, in which an elastic band is adapted to be bound around an outsole of mountain-climbing boots, and chains are coupled to the band as an anti-skid member, the crampons comprising: a front spike, a center spike, and a rear spike, respectively, positioned to be disposed at a front portion, a center portion, and a rear portion of a bottom surface of the boots when the elastic band is bound around the outsole of the boots, said spikes being formed with a plurality of spike edges; lateral spikes disposed forward between the front spike and the center spike, wherein the front spike, center spike, rear spike and lateral spikes are each operatively engaged to the chain via coupling rings; link rings each engaged to the front spike, the lateral spikes, and the center spikes; and a curved restraining bar coupled to at least two chains of the chain and operatively coupled to the front spike, the curved restraining bar being engaged with a front of the boots when the elastic band is bound around the outsole of the boots.