| 摘要 |
A brakable wheel hub device includes a hub shell adapted to be rotatably mounted on an axle, and having a disk securing portion which has an internally threaded section and a plurality of insert holes at a right end thereof that contacts a brake disk. A positioning ring is disposed outboard to the brake disk, and has a plurality of axially extending protrusions which pass through the brake disk and which are fitted into the insert holes so as to place the brake disk in a spline engagement with the hub shell. A surrounding locking member has an insert segment with an externally threaded section to threadedly engage the internally threaded section through the brake disk, and an abutting segment to abut against the positioning ring, thereby securing the brake disk relative to the hub shell.
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