Bird damage of airport and prevention device of snow

摘要

Topic Bird damage of the airport and bird damage and the snow prevention device which are used for the removal of the snow of the roof of the house are offered.SolutionsOpen space 4 of airport 2 and the like or in diagonal corner section 5 of the roof and 6 main revolving tool 5 of the pulley and the pulley and the wheel of pair and 6 revolution unrestrictedly distribution facilities doing, the suspension doing the main pulling tool 10 of wire and rope and chien in main revolving tool 5 of this pair, and 6 round trip traction distribution facilities to do main pulling tool 10 unrestrictedly, distribution facilities doing person in charge stop 16 and 17 in the above-mentioned other corner section and 14 and 15 sub- pulling tool the person in charge stopping the destal of 10 of wire and rope, or chien and 11 respectively this sub- pullingTool main pulling tool 10 side of 10 and 11 traction it engages possibly in main pulling tool, 10 sub- pulling tool pulling 10 and 11 with the round trip traction of main pulling tool, 10 sub- pulling tool 10 and 11 repeatedly it makes the surface or the roof go of the open space over almost extensively. Choice figure Drawing 1