| 摘要 |
By supporting a weight member in such a manner that it can be moved forward to a certain degree in the case of the car collision, the seeming inertial mass of the car body in the initial stage of the car collision is reduced to generate larger deceleration than the average deceleration in the car body. The weight member is butted against a movable part which can be moved back and forth with respect to the car body. As such, the inertial mass is applied to the movable part to thereby cause the movable part to generate negative car body deceleration (or acceleration) temporarily. The whole car body decelerates with the average deceleration as an integral unit, whereby not only a preferable car body deceleration waveform for reduction of the occupant deceleration is realized, but also, the occupant deceleration can be reduced to a great extent.
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