| 摘要 |
PURPOSE:To provide a joining structure wherein large torque can be transmitted, and the concentricity and the straightness between a FRP shaft and a joint are good. CONSTITUTION:Joining parts 18, 19 to be tightly fitted are respectively formed on the tip side and the root part of a fitting part 17 of a joint 12 to be fitted to the inner peripheral surface of a hollow FRP shaft 11, and at least more than two recessed parts 21 are formed on the joining part 18 to be tightly fitted on the tip side along the circumferential direction. |
