| 摘要 |
PROBLEM TO BE SOLVED: To effectively inhibit birds from flying around and building nests despite a structure which achieves a very small and simple form and low costs and saves an operator the trouble during the installation.SOLUTION: A bird damage prevention apparatus is installed on a rod like member 5 forming a power transmission construction so as to rotate around the rod like member and includes: a hollow cylindrical base member 12 attached to an outer surface of the rod like member and formed by an insulation material; and hollow cylindrical rotation members 20, each of which is rotatably supported while slidably contacting with the base member on an inner surface and is formed by an insulation material. |
