In order to allow a linear member for preventing winding of weeds to be attached in a vicinity of an outer circumference of a pawl shaft in a rotary tiller having a tilling pawl attached to a flange. A plurality of flanges 4 are provided in a pawl shaft direction on an outer circumference of a pawl shaft 3 supported by a rotary machine frame 10, each flange 4 has a tilling pawl 2 attached thereto. A linear member 6 for preventing winding of weeds is provided between the flanges 4 located at both ends of the pawl shaft 3. In this configuration, through holes are formed so as to penetrate the flanges located at both ends of the pawl shaft 3 in the pawl shaft direction, an end of the linear member 6 is inserted through the through hole 5, and stopper means 7 is provided at the end of the linear member 6 for preventing the linear member 6 from slipping off the through holes in the pawl shaft direction.
