| 摘要 |
PROBLEM TO BE SOLVED: To provide an impact absorbing device capable of sufficiently and efficiently absorbing impact energy in collision of a vehicle. SOLUTION: In the impact absorbing device 1 for the vehicle comprising a cylinder body having a helical stepped part 3 and having a diameter gradually varied in an axial direction, a bottom part 10 is integrally formed on a small diameter end. COPYRIGHT: (C)2008,JPO&INPIT
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