PROBLEM TO BE SOLVED: To provide a seedling transplanter including a spare seedling frame configured to serially unfold multistaged seedling loading tables for accommodating mat seedlings to be replenished, that can avoid accidental situations caused by a machine body travelling while the spare seedling frame is unfolded.SOLUTION: The seedling transplanter includes a travelling body 2, a transplanting part, and the spare seedling frame 38 with multistaged seedling loading tables. The seedling loading tables are supported by a moving link member openably/closably in the range from a position where the loading tables are stored in multiple stages to a position where the loading tables are unfolded in series in the longitudinal direction. The seedling transplanter also includes a seedling frame state detection member for detecting that the seedling loading tables are in the process of unfolding out of the storage position, a travelling detection member for detecting travelling of the machine body, and an announcing member for announcing the detection of travelling by the travelling detection member on condition that the process of unfolding is detected by the seedling frame state detection member.COPYRIGHT: (C)2012,JPO&INPIT【課題】補給用のマット苗を収容する多段の苗載台を直列展開可能に構成した予備苗枠を備えた苗移植機において、予備苗枠の展開したまま機体が走行することによる不測の事態を回避することが可能な苗移植機を提供する。【解決手段】苗移植機は、走行車体2と、移植部と、多段構成の苗載台を備えた予備苗枠38とを備えて構成され、この苗載台を移動リンク部材によって多段の収納位置から前後に直列する展開位置までの範囲で開閉可能に支持して構成され、上記苗載台が収納位置を外れて展開過程にあることを検知する苗枠状態検知部材と、機体走行を検知する走行検知部材と、この走行検知部材による走行検知の際に苗枠状態検知部材による展開過程の検知を条件として報知する報知部材とを設けた。【選択図】図8
