| 摘要 |
PROBLEM TO BE SOLVED: To provide a snow covered road surface maintenance device capable of improving work efficiency by shortening a working time for compacting snow on the snow covered road surface. SOLUTION: The snow covered road surface maintenance device 1 is towed by a traction vehicle and equipped with a maintenance unit 4 for maintaining the snow covered road surface 2 flat by compacting snow with a snow compacting surface 21. The maintenance unit 4 is provided with a vibration generating means 23 for vertically vibrating the snow compacting surface 21. COPYRIGHT: (C)2007,JPO&INPIT
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