| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bird damage prevention device capable of maintaining an effect on inhibiting installation of a nest by birds for a long period of time. <P>SOLUTION: The bird damage prevention device includes: a turntable 2 which rotates by receiving the force of the wind; a movable needle-like member 20 provided in the turntable 2 and rotating with the turntable 2; a supporting table 3 provided with a shaft part 31 for rotatably supporting the turntable 2; a fixing base 4 fixed by the shaft part 31; and a fixed needle-like member 40 provided on a fixing base 4 with a non-interfering shape and position with the fixing needle-like member 20 which rotates with the turntable 2. The turntable 2 is provided with a shaft receiving part 22 rotatably supported in a state eccentric to the shaft part 31. <P>COPYRIGHT: (C)2012,JPO&INPIT |
