| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rice planting machine capable of preventing damage of a land-leveling rotator even when the land-leveling rotator is suddenly pushed during the operation of a land-leveling device. <P>SOLUTION: The rice planting machine 1 includes: a land-leveling device 100 and the land-leveling device 100 includes a support link mechanism 140 for liftably (turnably) supporting a rotary support shaft 112 of a land-leveling rotator 111 relative to a transplanting part 40; a land leveling device operation part 120 for performing lifting and lowering operation of the land-leveling rotator 111; and a connection allowing mechanism 150 for connecting the support link mechanism 140 and the land-leveling device operation part 120 and allowing the land-leveling rotator 111 to lift (turn) only to a lifting side. <P>COPYRIGHT: (C)2013,JPO&INPIT |
