| 摘要 |
<p>There is described a vehicle braking assembly for a wheel which comprises a braking member (5) arranged to move relative to the main body of the wheel (3) between an inoperative position and an operative position, blocking means adapted to prevent the braking member from moving to an operative position and trigger means adapted to activate the braking member to move to an operative position. The trigger means comprises a latch (10) which is adapted to engage with a toothed portion of the body of the wheel.
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