PROBLEM TO BE SOLVED: To reduce the work burden of pruning operation.SOLUTION: A pair of scissor blades 1 configured to drive both ends, a motor 2 for driving the scissor blades 1, and a blade drive part for continuously opening and closing the scissor blades 1 by rotation of the motor 2 in one direction are provided, the scissor blades 1 being rotatably supported by a support shaft 5 and having a blade portion 1a on the front side of the support shaft 5 and an arm portion 1b on the rear side from the support shaft 5, the blade drive part having a rotator 6 which rotates to the circumference of an axis parallel to the support shaft 5, a drive transmission part which transmits the drive of the motor 2 to the rotator 6 to rotate the rotator 6 in a predetermined direction by rotation of the motor 2 in one direction and a link mechanism which links the rotator 6 to each arm 1b of a pair of scissor blades 1 to open and close the scissor blade 1 by rotation of the rotator 6.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】刈り込み作業の作業負担を軽減する。【解決手段】両刃駆動に構成された一対のハサミ刃1と、該ハサミ刃1を駆動するためのモータ2と、該モータ2の一方向の回転によってハサミ刃1を連続的に開閉させる刃駆動部とを備えており、ハサミ刃1は支軸5に回動自在に支持されていて支軸5よりも前側の刃部1aと支軸5よりも後側の腕部1bとを備えており、刃駆動部は、前記支軸5と平行な軸線まわりに回転する回転体6と、該回転体6にモータ2の駆動を伝達してモータ2の一方向の回転によって回転体6を所定方向に回転させる駆動伝達部と、回転体6と一対のハサミ刃1の各腕部1bとを連結して回転体6の回転によってハサミ刃1を開閉させるリンク機構とを備えている。【選択図】図1
