PROBLEM TO BE SOLVED: To provide a tilling machine that can sufficiently secure the strength of mounting parts of tilling claws, is durable and has a tilling claw mounting structure for facilitating the work of mounting and dismounting the tilling claws.SOLUTION: A tilling machine is characterized as follows: claw mounting holders 61 each are constituted of a holder member 610 with a release part facing the right and left sides and having the U-shaped cross section, and a holder side plate 611 for forming a fitting insertion hole of the rectangular cross-section capable of fitting a mounting base of tilling claws 62 arranged oppositely to the U-shaped bottom face of the holder member 610； the holder side plate 611 is shaped in a single plate provided at the position assuming a center of a rotating shaft 60 as the point symmetry in side view, and is also used as the holder side plate 611 of the other claw mounting holder 61； and the tilling claws 62 each are fixed by the bottom face of the U-shaped cross section of the holder member 610 and a fastening material 614 inserted in one mounting hole penetrated through the holder side plate 611 in parallel with the rotating shaft 60.COPYRIGHT: (C)2016,JPO&INPIT【課題】耕耘爪の取付部の強度を充分に確保が可能で、耐久性があり、耕耘爪の取付や取外しの作業が容易な耕耘爪取付構造を有した耕耘作業機を提供する。【解決手段】爪取付ホルダー６１は、解放部が左右側方を向いた断面コ字状のホルダー部材６１０と、ホルダー部材６１０のコ字状の底面と対抗配置されることで耕耘爪６２取付基部が嵌挿可能な断面長方形の嵌挿孔を形成するホルダー側板６１１とで構成され、ホルダー側板６１１は、側面視回転軸６０中心を点対称とした位置に設けた他の爪取付ホルダー６１のホルダー側板６１１を兼用している単体の板状で、耕耘爪６２は、ホルダー部材６１０の断面コ字状の底面とホルダー側板６１１を回転軸６０と平行に貫通した一つの取付孔に挿通された締結材６１４によって固着されている耕耘作業機による。【選択図】 図３
