| 摘要 |
A disc wheel includes a rim, a hub and a spoke mounted on the hub. Reinforcing bars engaged in each other are mounted on the spoke and hub. The interfaces between the spoke and the hub are fitted together for coinciding their centerlines. By reinforcing bars fitting tightly, it could realize the centering of the spoke and hub. This wheel and hub have good antifatigue and fastness, furthermore it could disperse the stresses of the spoke. Thereby, it could prolong the longevity, increase the security and be used for production widely.
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