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US 2007/0181393 A1Published application
Impact absorbing device of vehicle
AssigneeSango Co., Ltd.
InventorHiroshi Suzuki
Life of this patent
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Abstract
An impact absorbing device of a vehicle, comprising a cylindrical body having step parts and having a diameter gradually changing in the axial direction. The step parts (3) are spirally formed around the axis (4) of the cylindrical body so that an impact energy in the collision of the vehicle can be sufficiently absorbed.
Claims3
An impact absorbing device of a vehicle comprising a cylindrical body which has stepped parts and whose diameter gradually changes in an axial direction, wherein said stepped parts are spirally formed around an axis of said cylindrical body.
Dependencies are inferred from the claim text.