| 摘要 |
PURPOSE: A device for coupling rotating body is provided to prevent detachment of a nut only by coupling of the nut by improving structure of the nut. CONSTITUTION: A device includes a rotating body(4); a rotated body(6); a nut(8); fixing hooks(12); and a fixing groove(14). The rotating body has a bolt part formed on an end thereof and rotates. The rotated body is inserted to one side of the rotating body to receive rotary force of the rotating body. The nut is coupled to the bolt part of the rotating body to fix the rotated body. The fixing hooks are placed around the nut at fixed intervals to fix. The fixing groove is formed on the bolt part in axial direction to be fixed by the fixing hooks.
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