| 摘要 |
PROBLEM TO BE SOLVED: To be mounted on a support shaft without eccentricity of a rotary body. SOLUTION: A press body 10 a part in a peripheral direction of which is cut and the rotary body 2 side of which forms a taper surface is located between the rotary body 2 and a nut 9. The taper surface 12 of the press body 10 is brought into contact with a taper surface 13 formed at the opening edge of the shaft hole 7 of the rotary body 2. By fastening a nut 9, the rotary body 2 is fixed on a support shaft 3. |
