| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin-made impact absorbing member effectively protect the head part, the chest part, and the waist part of an occupant and a pedestrian by a superior impact absorbing performance by providing it with an almost ideal load displacement characteristics and reducing the dispersion of the impact absorbing performance due to changes in a place (position) applying the impact. SOLUTION: This bottomed, box-shaped, and resin-made impact absorbing member partitioned into multiple parts by ribs are formed by cutting near central parts in the opening side of the ribs. The length of the rib intersection part left by providing the cuts is set within a range 5-14 times of the board thickness of the rib and the height of the rib left by providing the cuts is set within the range of the 2.5 times of the board thickness of the bottom plate.
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