PROBLEM TO BE SOLVED: To provide an additionally-fittable nesting prevention device to be easily fitted to an existing nesting prevention device.SOLUTION: An additionally-fittable nesting prevention device 1 includes: a nesting prevention part 10 posing an impediment for birds a fixing part 20 to be fitted to an existing nesting prevention device 100 and a grip part 40 to be held by an indirect live-line tool. The fixing part 20 includes an elastically-deformable support member 22 whose axial cross section is formed into a C-shaped cylindrical shape. The support member is elastically deformed, and the C-shaped inner peripheral surface is adapted to a prescribed part of the existing nesting prevention device so as to be fitted to the existing nesting prevention device 100.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】既存の防巣具に容易に取り付けられる追加取付用防巣具を提供すること。【解決手段】追加取付用防巣具1は、鳥類の障害となる防巣部10と、既存の防巣具100に取り付けられる固定部20と、間接活線工具によって把持される把持部40と、を備え、固定部20は、軸方向の断面がC字形の円筒形状に形成される弾性変形可能な支持部材22を備え、前記支持部材を弾性変形させて前記C字形の内周面を前記既存の防巣具の所定部位に適合させることによって、既存の防巣具100に取り付けられる。【選択図】図1
