PROBLEM TO BE SOLVED: To provide a yoke part support structure of working vehicle, with which power transmission and connection are carried out smoothly.SOLUTION: The yoke part support structure of the working vehicle is equipped with an autohitch 2 attached to the rise and fall links 19 and 21 of the working vehicle 1 a joint shaft 26 swingingly connected to the PTO shaft 27 of the working vehicle 1 and a yoke holder 31 for rotatably supporting a yoke part 29, supported in rotatable and swingable manner on the tip of the joint shaft 26, where the yoke holder 31 is swingingly supported in the autohitch 2, and a control member 41 for controlling the rotation of the yoke holder 31 is interposed in between the yoke holder 31 and the autohitch 2.COPYRIGHT: (C)2008,JPO&INPIT【課題】スムーズな動力伝動及び連結を行うことができる作業車両のヨーク部支持構造を提供することを課題とする。【解決手段】作業車両1の昇降リンク19,21に装着されたオートヒッチ2と、作業車両1のPTO軸27に揺動可能に連結されたジョイント軸26と、ジョイント軸26先端に回転及び揺動自在に支持されたヨーク部29を回転自在に支持するヨークホルダ31とを備え、ヨークホルダ31がオートヒッチ2内で揺動可能に支持された作業車両のヨーク部支持構造であって、ヨークホルダ31の回転を規制する規制部材41をヨークホルダ31とオートヒッチ2との間に介在させる。【選択図】図3
