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.

Date of Patent:
Feb. 01, 2022

Filed:

Aug. 01, 2018
Applicant:

Jfe Steel Corporation, Tokyo, JP;

Inventors:

Kazuhiko Higai, Tokyo, JP;

Takanobu Saito, Tokyo, JP;

Yoshikiyo Tamai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 25/04 (2006.01); B62D 27/02 (2006.01); B62D 29/00 (2006.01); B62D 25/08 (2006.01);
U.S. Cl.
CPC ...
B62D 25/04 (2013.01); B62D 25/08 (2013.01); B62D 27/023 (2013.01); B62D 29/005 (2013.01);
Abstract

An automotive frame part that is an A-pillar-lower part, the A-pillar-lower part including: an outer panel having approximately a T-shape in planar view and a cross section intersecting a portion corresponding to a horizontal side and a vertical side of the T-shape is a hat-shaped cross section including a top portion, a side wall portion, and a flange portion; an inner panel being connected to the flange portion and forming a closed cross section with the outer panel; and plastic stiffening members that each have one end connected to an inner surface of the outer panel and another end connected to an inner surface of the inner panel, wherein the shape and the disposition of the stiffening members are set based on an analysis result from a shape optimization analysis method and each of the stiffening members has a columnar shape or a columnar shape with both end parts bulging.


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