| 摘要 |
PROBLEM TO BE SOLVED: To provide easy adjustment of sliding resistance of an inner shaft and an outer shaft even after spline-fitting and attaching the outer shaft to the inner shaft, and to positively prevent looseness of both shafts. SOLUTION: After spline-fitting and attaching the outer shaft 2 to the inner shaft 1, an adjusting nut 7 is moved diametrally inward while tightening it. By this, a diametral interval of a screw part 8 of a diametrally expanding member 6 and a receiving part 9 is expanded, and the inner shaft 1 is pressed diametrally outward against the outer shaft 2. Therefore, a diametral pressing force of the inner shaft 1 to the outer shaft 2 can be adjusted by adjusting a tightening force of the adjusting nut 7, and by this, the sliding resistance of both shafts 1 and 2 can be easily adjusted and looseness of both shafts 1 and 2 can be surely prevented. |
