| 摘要 |
A bumper system adapted to be mounted on a vehicle includes an elongated, inflatable bag fastened by its two ends and by opposed longitudinal ribs to and within a shell having a concave front and a forward facing impact support beam behind the shell spacedly attached to the shell. A rotatable impact energy transfer element is connected to the shell so that it is adjacent to the circumference of a wheel of the vehicle, and the axis of rotation of the transfer element is parallel with the axis of rotation of the wheel of the vehicle.
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