| 摘要 |
PROBLEM TO BE SOLVED: To simply and inexpensively prevent a fallen snow accident causing physical injury by providing a walkway with a snow crushing member for crushing a snow slippingly fallen on a roof to crush a snow lump falling down on the ground into small pieces. SOLUTION: The floor board of a walkway is composed of a floor board 31 separated from a roof on a projecting side and a floor board 32 on a roof side. The floor board 32 on the roof side is raised up during usual time including a snowfall and turns into a fallen state in the case of a maintenance of the roof. A lattice-shaped steel plate 36 is provided under the floor board 32 on the roof side. The floor boards 32 on the roof side are continuously provided at fixed spaces, and the first reverse V-shaped snow crushing member 83 is severally provided in this space. The second reverse V-shaped snow crushing member is attached to the upper part of a support member 6 for supporting beam members 41, 42.
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