IMPACT ABSORBING MEMBER

Abstract: an impact absorbing member includes a first cross section being a cross section perpendicular to an axial direction of the impact absorbing member, and a second cross section being a cross section defined by extension lines of a plurality of sides in the first cross section, in which the first cross section includes a shared vertex that is shared by the second cross section, and a recessed groove that is positioned to correspond to a vertex of the second cross section, the recessed groove has a first inflection point being a vertex whose interior angle is greater than 180�, and a second inflection point being a vertex whose interior angle is less than 180�, the first inflection point and the second inflection point are alternately arranged along a circumferential direction of the first cross section in at least a part of region of the first cross section, an interior angle of at least one vertex of the first cross section excluding the first inflection point and the second inflection point is 100� or more, and the first cross section does not have a partition wall portion in the inside thereof.

Inventor(s): Yutaka MIKAZUKI

CPC Classification: F16F7/12 (SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION)

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