| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bird damage-preventing tool for an electric cable, etc., rotating smoothly around the outer circumferential part of the electric cable, etc., also preventing the perching of birds from small birds to big birds by threads, and even if the bird is entangled, easily releasing the bird so as to be able to aim at the prevention of the bird damage in a good efficiency. <P>SOLUTION: This bird damage-preventing tool for the electric cable 2, etc., is constituted by a pair of supporting rings 4 capable of being opened or closed by an opening and closing means 3 and capable of inserting the electric cable 2, etc., at its inside,≥3 pieces of supporting bars 5 arranged between the pair of the supporting ring 4 by taking a prescribed distance, a supporting bar-supporting body 6 mounted on the pair of the supporting rings 4, for supporting the both end parts of the supporting bar 5 as slidable, an energizing body for energizing the pair of the supporting rings 4 so as to protrude always in outside direction, at least≥5 thread-supporting pieces 8 formed as protruding to outside by taking each prescribed distance at the pair of the supporting ring 4 and≥5 pieces of the threads 9 mounted so as to get the action of the energizing force of the energizing body between the pair of the thread-supporting pieces 8. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
