| 摘要 |
A torque limiter includes a shaft member 1, a cylinder member 2, and a traction oil. The shaft member 1 has an outer circumferential surface 20, and the cylinder member 2 has an inner circumferential surface 21 which is to be frictionally coupled to the outer circumferential surface 20 of the shaft member 1 during torque transmission. The traction oil is interposed between the outer circumferential surface 20 of the shaft member 1 and the inner circumferential surface 21 of the cylinder member 2.
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