PROBLEM TO BE SOLVED: To provide a seedling trnasplanter, including a preliminary seedling frame, improved in durability of the preliminary seedling frame more than a conventional art, standing a large load even if the preliminary seedling frame is deployed, and capable of placing a fertilizer or the like thereon.SOLUTION: In a seedling transplanter including a plurality of preliminary seedling platforms 38a, 38b, and 38c (called seedling frame 38) which are loaded with preliminary seedlings and freely switched between the deployment state of being arranged front and rear and a loading state of being arranged up and down by a seedling frame link mechanism 39, the seedling frame link mechanism 39 includes: a main moving link member 39b connecting all of the preliminary seedling platforms 38a-38c to each other and upper and lower subordinate moving link members 39a and 39c connecting two preliminary seedling platforms 38a and 38c to each other, a first support 49a is provided to support the main moving link member 39b on the inside of a machine body of the plurality of preliminary seedling platforms 38a, 38b, and 38c, and a second support 49b for supporting the upper and lower subordinate moving link members 39a and 39c, is provided on the machine body outside of the preliminary seedling platforms 38a-38c.COPYRIGHT: (C)2014,JPO&INPIT【課題】予備苗枠の耐久性を従来技術より向上させ、また予備苗枠を展開状態にしても大きな荷重にも耐えられ、肥料等も載置できる予備苗枠を備えた苗移植機を提供すること。【解決手段】予備の苗を積載し、苗枠リンク機構39により前後方向に並ぶ展開状態と上下方向に並ぶ積載状態に切替自在な複数の予備苗載せ台38a,38b,38c(苗枠38という)を設けた苗移植機において、苗枠リンク機構39は全ての予備苗載せ台38a~38cを連結するメイン移動リンク部材39bと、2つの予備苗載せ台38a,38cを連結する上側及び下側のサブ移動リンク部材39a,39cで構成し、複数の予備苗載せ台38a,38b,38cの機体内側にメイン移動リンク部材39bを支持する第1支柱49aを設け、予備苗載せ台38a~38cの機体外側に上側及び下側のサブ移動リンク部材39a,39cを支持する第2支柱49bを設けた。【選択図】図3
