| 摘要 |
A train axle assembly includes a train axle, a ring assembly coaxially mounted on the train axle and a structure operatively engaged by the ring assembly and mounted on the train axle. The ring assembly has an outer diameter and a main section adjacent the outer diameter. The ring assembly includes a projection extending axially from the main section which is located at a diameter less than the outer diameter of the ring assembly. The projection has a portion of a diameter contacting the train axle so that the ring assembly is affixed to the train axle to provide resistance to relative rotation and axial movement between the ring assembly and the train axial.
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