Patent ID: 7896411

Claim:
An impact absorbing member for vehicle including a tubular body portion, the tubular body portion being provided with, at a part of a side wall thereof, a concave groove concaving inward in a direction perpendicular to an axis of the tubular body portion and extending parallel to an axial direction thereof, the impact absorbing member for vehicle, disposed between a vehicle body side member and a bumper member such that the axial direction of the tubular body portion is coincident with a fore and an aft direction of a vehicle, collapses like an accordion in the axial direction when receiving a compressive load to absorb an impact energy, characterized by that: the tubular body portion is provided with, on the side wall located in a width direction of the vehicle, a projecting groove projecting outward in the direction perpendicular to the axis of the tubular body portion, the projecting groove extending parallel to the axial direction of the tubular body portion from one axial end adjacent to the vehicle body side member, without reaching other axial end adjacent to the bumper member.