Body frame structure of railway vehicle
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United States of America Patent
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Aug 14, 2012
Issued Date -
N/A
app pub date -
Nov 30, 2006
filing date -
Nov 30, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A body frame structure having practically sufficient strength is provided. The body frame structure has a simple structure that can be obtained by simple joining operation. Vertically and horizontally arranged first and second frame members are weld-joined to an outer panel with an end portion of the second frame member facing a side surface of the first frame member. The first frame member is placed in a straddling manner on the outer panel and the end portion of the second frame member weld-joined to the outer panel and is weld-joined to both the second frame member and the outer panel. In this manner, even when the vertically and horizontally arranged first and second frame members are laser-welded to the outer panel, the joint strength can be improved without using a joint plate.
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