| 摘要 |
A coupling member comprises peripheral flanges and a body, with the peripheral flanges having the same axis of rotation. The body of the coupling member has a smoothly curving hub portion extending to two axially separated disk portions and is defined by three relationships. A thickness relationship describes the thickness of the body throughout the hub and disk portions. A spacing relationship describes how much of the body is to be occupied by the hub portion. A continuity relationship describes the thickness of the body within the hub portion.
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