PROBLEM TO BE SOLVED: To facilitate detaching operation by simplifying the structure of wheels for movement.SOLUTION: In a tending machine in which a side disk 11 is attached to lateral outside ends of a tilling shaft 7, at least two engaging grooves 25 for interposing outer peripheral edge of the side disk 11 at adequate intervals in the circumferential direction are formed in wheels 15 for movement, in which the outer periphery is formed in larger diameter than a rotary locus of a tilling claw and a fin piece 26 for covering either one of a flat hub part 21, which is a part close to the center of diameter containing a part constituting the engaging grooves 25 is constituted of a material enabling elastic deformation and an engaging pin 29 protrusively provided on the fin piece 26 is installed so as to penetrate the hub part 21 and the outer peripheral edge of the side disk 11 is fitted into the engaging grooves 25 and the engaging pin 29 is engaged with an engaging hole 30 bored in the side disk 11.COPYRIGHT: (C)2009,JPO&INPIT【課題】移動用車輪の構造を簡略化して、着脱作業を容易にする。【解決手段】耕耘軸7の左右外側端部にサイドディスク11を取り付けた管理機において、外周が耕耘爪の回転軌跡よりも大径に形成された移動用車輪15には、サイドディスクの外周縁部をその円周方向に沿って適宜間隔隔てて挟むための少なくとも2つ以上の係合溝25が形成され、移動用車輪15のうち係合溝25を構成する部位を含む直径の中心寄り部位である平板状のハブ部21及び係合溝25の一方を覆うひれ片26が、弾性変形可能な素材により構成され、ひれ片26に突設した係合ピン29はハブ部21を貫通するように設けられ、サイドディスク11の外周縁部を係合溝25に嵌め入れ、且つ係合ピン29はサイドディスク1に穿設された係合穴30に係合させる。【選択図】図6
