The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 2019
Filed:
Oct. 16, 2015
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Yasunori Sawa, Tokyo, JP;
Yoshiaki Nakazawa, Tokyo, JP;
Koichi Hamada, Tokyo, JP;
Yasunori Ito, Tokyo, JP;
Hiroshi Yoshida, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
An impact absorbing memberable to secure absorption energy while lightening weight by absorbing the impact load applied in the axial direction by periodic buckling, wherein the impact absorbing memberis provided with a main bodycomprised of metal sheet and having a polygonal shape in cross-section vertical to an axial direction and a center sheetcomprised of metal sheet and provided at a hollow part in the main body along the axial direction, the polygonal shape of the main bodyincludes a pair of long side () facing each other, the center sheetis joined to each of the long sides () of the polygonal shape of the main body, and the sheet thickness t(mm) of the main bodyand the sheet thickness t(mm) of the center sheetsatisfy 1.3×t≤t