| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the number of parts by unnecessitating an electromagnetic clutch, etc. for cutting connection of a handle shaft and an actuator for steering at the time of automatically steering a rice transplanter. <P>SOLUTION: This steering device is provided with a power steering unit 51 connected to the handle shaft and a steering gear for changing turn angles of wheels. A hydraulic motor 71 is provided to rotate the steering gear. The hydraulic motor 71 is controlled by the power steering unit 51. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
