Problem to be solved: to provide a rusting machine capable of removing the soil adhered to the tillage nail."Settlement means" equipped with a pretreatment section for cutting up the old levee and earning groundIn a lay coating machine which is mounted on a traveling body and travels along with the running of the running body and performs a lay coating operationThe preprocessing sectionA tilled nail that is provided on a tiller supported shaft and rotates with the tillerCover covering the tillage clawProvided on the coverHaving elasticityThe contact member that can contact the tiller clawEquipped withSaid contact memberElastic member made of resin or rubberDisposed within the elastic member；A metal member which urges the elastic member toward the tiller shaft side than the locus of rotation of the end of the tiller clawLeaf coating machine.Diagram【課題】耕うん爪に付着した土を除去可能な畦塗り機を提供する。【解決手段】旧畦を切り崩して土盛りを行う前処理部を備え、走行機体に装着されると共に前記走行機体の走行とともに進行して畦塗り作業を行う畦塗り機において、前記前処理部は、回転自在に支持された耕うん軸に設けられて前記耕うん軸と共に回転する耕うん爪と、前記耕うん爪を覆うカバーと、前記カバーに設けられ、弾性を有し、前記耕うん爪に接触可能な接触部材と、を備え、前記接触部材は、樹脂又はゴムで構成される弾性部材と、前記弾性部材の内部に配置され、前記弾性部材を前記耕うん爪の先端の回転軌跡よりも前記耕うん軸側に向かって付勢する金属部材と、を有する畦塗り機。【選択図】図６
