PROBLEM TO BE SOLVED: To provide a new technique with which a tractor is accurately driven and operated safely and easily along a ridge by any one such as a beginner to an expert, farmers such as female and aged people who are increased in recent years.SOLUTION: A notch 3 for aiming of a vertical rod upper end type which can aim at ridge 9 to be a traveling guide, or a higher in the rear slope posture rod upper end type, is mounted on a location on the upper face of a hood B in front of the drivers seat S of the tractor for agriculture and on a front sight line E of the driver 5, or an aim 2 formed of either one of the aiming frame 6 on which graticule 60, 61 are stretched, detachably mounted as self-sustaining and set as temporary fixable, and a lateral aiming rod 80 including lateral width adjusting mechanism 81 for aiming laterally adjacent ridge 90, 91 or ridge-fitting 92, 93 for guiding is set as detachably temporary fitting and self-sustaining, on a location adjacent of the front end of the hood B of the tractor T and on a front sight line E of the driver.COPYRIGHT: (C)2009,JPO&INPIT【課題】 初心者から熟練者、特に近年増加傾向にある高齢者や女性のような農業従事者にも、安全且つ容易に畝筋に沿っての正確なトラクタを運転、操作可能とする新技術を提供する。【解決手段】 農業用トラクタTの運転席S前方のボンネットB上面で運転者の前方視線E上となる位置に、走行案内とすべき畝9に照準可能な縦棒上端型または後上向き傾斜姿勢棒上端型の照門3、または、経緯線60,61を張設した照準枠6の少なくとも何れか一方を、着脱自在で自立、仮固定可能となるようにした照門器2と、同トラクタTのボンネットB前端付近で同じく運転者の前方視線E上となる位置に、走行案内とすべき左右隣接畝90,91または畝合92,93への照準用とする左右幅調節機構81を組み込んでなる水平照星棒80を、着脱自在で自立、仮固定可能となるようにした照星器8との組合せからなるトラクタ誘導装置1である。【選択図】 図2
