FIELD: transport.
SUBSTANCE: proposed device comprises brake drum, brake shoe with two-layer lining. Brake shoe is provided with current conducting layer that makes circuit-closing switch connected by current collector with sound and light signaling circuit and arranged at a distance corresponding to ultimate wear of brake-shoe lining.
EFFECT: higher safety.
3 cl, 2 dwg, 1 tbl
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Authors
Dates
2012-06-10—Published
2010-10-15—Filed