Invention Grant
- Patent Title: Vehicle frame member structure with excellent impact resistance performance
- Patent Title (中): 车架构件结构具有优异的抗冲击性能
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Application No.: US14403367Application Date: 2013-06-03
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Publication No.: US09205870B2Publication Date: 2015-12-08
- Inventor: Takuya Kuwayama , Shigeru Yonemura , Masahiko Yoshino , Kazuhiko Honda
- Applicant: Nippon Steel & Sumitomo Metal Corporation
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Kenyon & Kenyon LLP
- Priority: JP2012-127441 20120604
- International Application: PCT/JP2013/065358 WO 20130603
- International Announcement: WO2013/183587 WO 20131212
- Main IPC: B60N99/00
- IPC: B60N99/00 ; B62D21/15 ; B62D21/02

Abstract:
A vehicle frame member structure has a closed cross-sectional structure including a pair of first wall portions, and a pair of second wall portions connected to the pair of the first wall portions, in which first beads are provided on the pair of first wall portions along a circumferential direction of the closed cross-sectional structure, a second bead is provided on either of the pair of second wall portions along the closed cross-sectional circumferential direction on a line extending from the first bead in the circumferential direction, the first and second beads are connected in two corner portions between the first wall portions and the second wall portion, a recessed embossed portion is provided in a connection portion of the first and second beads in at least one of the corner portions, and the sheet thickness of the embossed portion is larger than that of the first or second wall portion.
Public/Granted literature
- US20150175208A1 VEHICLE FRAME MEMBER STRUCTURE WITH EXCELLENT IMPACT RESISTANCE PERFORMANCE Public/Granted day:2015-06-25
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