| 摘要 |
A top rack assembly includes two rails (100) connected on a top of a vehicle and two transverse bars (10) having two clamp devices (20) which are movably connected to the two rails. Each of the clamp devices has a casing (21) with a passage through which one of the two ends of each of the transverse bars movably extends. An L-shaped first part (221) is pivotally engaged with the passage and mounted on a top and a side of the rail. A second part (222) is pivotally connected to the first part and a bolt (23) extends through a vertical portion of the casing and contacts the second part to clamp the rail.
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