Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 5, 2007
Patent Application Number
10507545
Date Filed
March 13, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A skeleton member structure having a tubular structural member (11, 211) filled with granular materials for absorbing impact energy. The granular materials includes a granular material having a hollow portion (12a, 212a) or a porous granular material. When the skeleton member receives an impact, the granular materials are deformed or collapsed, and impact energy is stably absorbed. Since the granular materials are hollow or porous, the weight of the skeleton member filled with the granular materials is reduced.
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