PROBLEM TO BE SOLVED: To provide a seed potato sower, with no occurrence of the operational halt of the machine due to seed potatoes being nipped at a conveyance route, getting off from the conveyance route and seed potatoes damage, and ensuring the seed potatoes planting spaces to be kept constant through making potato-sowing intervals correspond to the traveling speed of the seed potato planter.SOLUTION: The seed potato sower includes: a first conveyor 45 for replenishing seed potatoes 44 a second conveyor 46 for receiving seed potatoes ejected from the traveling tip end of the first conveyor 45 and a sowing gutter 47 for receiving and ejecting seed potatoes from the traveling tip end of the second conveyor 46 wherein the first conveyor 45 is installed with buckets 48 for individually containing seed potatoes therein in a matrix ring manner and the second conveyor 46 is installed with buckets 48 for individually containing seed potatoes therein in an one-row ring manner. Besides, in this seed potato sower, a first chain conveyor travelling timing mechanism 61 is interposed between the first and second conveyors 45 and 46 to make the first conveyor 45 intermittently travel each by the width of any one of the buckets rows through being driven by the second conveyor 46.COPYRIGHT: (C)2011,JPO&INPIT【課題】種いもが搬送路に挟まることによる機械の停止、搬送路からの離脱、種いもの損傷が発生せず、蒔付間隔を植付機の走行スピードに合せて対応させて、植付株間を一定に保つようする。【解決手段】種いも44を補給する第1コンベア45と、その走行先端から放出される種いもを受ける第2コンベア46と、その走行先端から放出される種いもを受けて放出する蒔付樋47とを具備し、第1コンベア45に種いもを個別に収容するバケット48をマトリックスリング状に配設し、第2コンベア46に種いもを個別に収容するバケット48を1行のリング状に配設し、第1、第2コンベア45、46の間に、第2コンベア46に従動させて、第1コンベア45を1バケット行の幅ずつ間欠的に走行させる第1チェーンコンベア走行タイミング機構61を介在する。【選択図】図1
