FIELD: transport.
SUBSTANCE: proposed shoe comprises steel carcass, arc-like body composed of the main and lateral parts in contact with wheel surface. Arc-like body consists of separate elements secured at steel carcass. Note here that elements of the body main part are made from friction material while those of lateral section are made of antifriction material. Friction material friction factor is 1.5-10 times higher and abrasion resistance 1.5-3.5 times higher than those of antifriction material. Friction elements of clamp main part feature different height. Higher friction elements are located at steel carcass edges.
EFFECT: higher safety.
5 cl, 4 dwg
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