PROBLEM TO BE SOLVED: To provide a seedling-planting mechanism of a rice transplanter, which can smoothly perform sliding operation for a seedling pushing tool.SOLUTION: There is provided a seedling-planting mechanism of a rice transplanter, in which a seedling pushing tool 31 for pushing seedlings from a seedling-planting tine 8 is supported on a planting tine-supporting case 10 slidably in a state projecting outward from the inside of the planting tine-supporting case 10 for supporting the seedling-planting tine 8, a moving operation mechanism 32 for moving the seedling pushing tool 31 to an action position or a non-action position accompanied by the seedling-planting movement operation of the planting tine-supporting case 10 is disposed in the inside of the planting tine-supporting case 10, the seedling pushing tool 31 is slidably supported on the planting tine-supporting case 10 with a sliding portion 33a on a tine tip end side placed on the seedling-pushing side in the moving direction and a sliding support portion 33b on a base end side placed on the side opposite to the seedling-pushing side, respectively.COPYRIGHT: (C)2014,JPO&INPIT【課題】苗押し出し具の摺動操作を円滑に行えるようにすることが可能な田植機の苗植付機構を提供する。【解決手段】苗植付爪8から苗を押し出す苗押し出し具31が、苗植付爪8を支持する植付爪支持ケース10の内部から外方に突出する状態で且つ摺動自在に植付爪支持ケース10に支持され、植付爪支持ケース10の苗植え用の移動操作に伴って苗押し出し具31を作用位置と非作用位置とに移動させる移動操作機構32が、植付爪支持ケース10の内部に備えられ、苗押し出し具31が、移動方向における苗押し出し側に位置する爪先端側の摺動支持部33a、及び、苗押し出し側とは反対側に位置する基端側の摺動支持部33bの夫々にて摺動自在に植付爪支持ケース10に支持されている。【選択図】図3
