FIELD: municipal management. SUBSTANCE: conical petal-type icicle breaking down apparatus has telescopic tube mounted on automobile chassis and electric drive. Telescopic tube is brought up to roof edge with hanging icicles and electric drive is switched on for initiating breaking down of icicles. Voltage is supplied to electric drive and telescopic tube is retracted by means of single cable positioned inside telescopic tube. EFFECT: increased efficiency in cleaning building roofs from ice and icicles and enhanced reliability in operation. 2 cl, 2 dwg
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Authors
Dates
2002-08-20—Published
2001-03-14—Filed