| 摘要 |
A shaft coupling comprising a joint element and two rings. The joint element has internal cylindrical parts, an external cylindrical part and a base connecting portion. The base connecting portion connects the base ends of both internal cylindrical parts and the external cylindrical parts. The rings are inserted into annular cavities enclosed by the internal cylindrical parts, external cylindrical parts and the base connecting portion. The internal cylindrical parts have tapered outer surfaces. The rings have tapered inner surfaces. The two rings are axially connected by set bolts. When the rings are tightened, the inner surfaces of the rings press the internal cylindrical parts and the outer surfaces of the rings press the external cylindrical parts.
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