SLEDGE-BOB-SLEIGH TRACK WITH ARTIFICIAL ICE COVERING Russian patent published in 2002 - IPC

FIELD: sportive constructions. SUBSTANCE: sledge-bob-sleigh track has two extended profiled troughs mounted on foundation bases. Bottom and sides of troughs form portions of different configuration and complexity. Said portions are joined at one side to starting platform equipped with rectilinear speed up parts and at other side terminating with finish part divided into two finish straight parts. Troughs have equal axial lengths and profile of track sequentially repeats configuration of portions of different complexity. Track has refrigerator connected to refrigerant pipelines embedded into trough body common for the whole track, and information system for delivering information on relative movement of sportsmen. Information system has stationary sensors discreetly fixed along the whole length of troughs and adapted for detecting passage of sledges and bob and light indicators connected to sensors and arranged so as to be readily visible by spectators as well as by sportsmen moving in troughs. Track allows new kind of competitions, namely, of parallel events to be conducted. Information system allows competing teams to follow opponent's position. EFFECT: increased efficiency and enhanced reliability in operation. 2 cl, 8 dwg