| 摘要 |
PROBLEM TO BE SOLVED: To provide a bird damage prevention tool which can continuously repel birds such as a craw and does not cause unnecessary fear to common people who does not know much about a bird damage prevention tool.SOLUTION: A bird damage prevention tool attached to an attached part includes: a rotation center shaft installed upright on the attached part; a main body which can rotate around the central axis of the rotation center shaft; repelling members provided on the main body to repel birds; a pair of levitating magnets provided so that the same magnetic poles face each other in the central axis direction. The main body is made to be a levitating state above one of the levitating magnets which is located on the attached part side in the central axis direction by the repulsive force between the same magnetic poles of the levitating magnets.SELECTED DRAWING: Figure 2 |
