< Topic >In the Tip of the sickle handle body the time tune time motion it provides the sickle blade unrestrictedly, it provides time dynamic position control possible time dynamic position control feature the sickle blade vis-a-vis the sickle handle body, it simplifies the installation structure of the sickle blade for the sickle handle body, time of the sickle blade for the sickle handle body tune time dynamic position it offers the sickle which can be categorized to optional position securely and lock.SolutionsIn the Tip of sickle handle body 1 sickle blade 2 the time tune time motion it provides unrestrictedly, providing time dynamic position control possible time dynamic position control feature 3 sickle blade 2 vis-a-vis sickle handle body, 1 it becomes, sickle handle body mediating/helping facilities doing the surface ratchet feature 5 which consists of the surface ratchet of occlusion and estrangement possible pair in the tightening feature 4 which has the tightening volt/bolt 4a where becomes the time dynamic medial axis of sickle blade 2 with 1 and sickle blade 2 and mutual as a time dynamic position control feature 3, it becomes.< Choice figure >Drawing 1【課題】鎌柄体の先端部に鎌刃体を折曲回動自在に設け、鎌刃体を鎌柄体に対して回動位置調節可能な回動位置調節機構を設け、鎌柄体に対する鎌刃体の取付構造を簡素化し、鎌柄体に対する鎌刃体の折曲回動位置を任意位置に確実に位置固定することができる草刈り鎌を提供する。【解決手段】鎌柄体1の先端部に鎌刃体2を折曲回動自在に設け、鎌刃体2を鎌柄体1に対して回動位置調節可能な回動位置調節機構3を設けてなり、回動位置調節機構3として、鎌柄体1と鎌刃体2との間に鎌刃体2の回動中心軸となる締付ボルト4aをもつ締付機構4及び相互に咬合及び離反可能な一対の面ラチェットからなる面ラチェット機構5を介設してなる。【選択図】図1
