PROBLEM TO BE SOLVED: To make the attachment and detachment of tilling claws easy from their mounting parts installed at a tilling rotary shaft, even if they are manually operated, and fixing a plurality of tilling claws by an equal force at the mounting parts.SOLUTION: A fixing structure for tilling claw is characterized by including mounting parts 2 installed at the tilling rotary shaft, tilling claws 1 and fixing tools 3 for the mounting parts with tilling claws, freely fitting the tilling claws 1 at the mounting parts 2, rotating the fixing tools 3 nipped between the mounting parts 2 and the tilling claws 1 by <180° angle, compressing the overhanging upper surface parts 35 of the fixing tools 3 and the mounting parts 2, and compressing the lower surface of the overhanging parts of the fixing tools 3 or the projecting part 33 of the fixing tools and the tilling claws 1 to fix the mounting parts 2 with the tilling claws 1.COPYRIGHT: (C)2012,JPO&INPIT【課題】たとえ手動であっても、耕耘回転軸に設けた取付部から耕耘爪の着脱を容易にし、複数の耕耘爪を均等な力で前記取付部に固定することを目的とする。【解決手段】耕耘回転軸に設けた取付部2と、耕耘爪1と、前記取付部と耕耘爪との固定器具3とを具備し、前記取付部2に耕耘爪1を遊嵌し、前記取付部2と耕耘爪1の間に挟まれた前記固定器具3を180度未満の角度で回転させ、前記固定器具3の張出上面部35と前記取付部2を押圧し、且つ前記固定器具3の張出部の下面又は固定器具凸部33と前記耕耘爪1を押圧することにより、前記取付部2と前記耕耘爪1を固定することを特徴とする耕耘爪固定構造である。【選択図】図1
