| 摘要 |
FIELD: sports equipment. SUBSTANCE: training apparatus has skid with plastic base 18 and composite running blade 30 detachably mounted on base 18 for replacement. Fastening of replaceable running blade 30 is provided by means of stabilizing bus 28 formed as profiled rod and fastening devices 36, as well as by parts of special shape. Blade 30 has high torsional and flexural rigidity, increased impact resistivity. Apparatus has low weight and high compression strength. EFFECT: increased efficiency, wider operational capabilities, increased strength and enhanced reliability in operation. |
