FIELD: transport engineering.
SUBSTANCE: invention relates to brake shoes, mainly, to drum-type brake shoe units with high friction coefficient. Proposed brake shoe unit has cylindrical curved platform of brake shoe forming part of cylinder, inner support surface and outer support surface and matrix made of brake friction material. Said matrix is arranged on outer support surface of brake shoe platform forming braking surface. Great number of bosses project from outer support surface of brake shoe platform through matrix to friction surface. Said bosses engage with friction surface to create friction with opposite rotating member of vehicle wheel.
EFFECT: improved efficiency at emergency braking.
10 cl, 10 dwg
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