Patent ID: 8240255
Filing Date: 2012-08-14
Classification: B23K,B61D

Abstract:
1. A body frame structure of a railway vehicle, comprising vertically and horizontally arranged first and second frame members and an outer panel, the frame members being weld-joined to the outer panel with an end portion of the second frame member facing a vertically extending side surface of the first frame member, wherein the second frame member is weld-joined to the outer panel and has a hat-shaped cross-section, wherein the first frame member, having the vertically extending side surface, is placed in a straddling manner on the outer panel and the end portion of the second frame member and is weld-joined to both the second frame member and the outer panel, and the end portion of the second frame member being positioned between a welded flange of the first frame member and the outer panel, and wherein the hat-shaped cross-section, at an end portion of the second frame member, extends in a direction parallel to and spaced from the vertically extending side surface of the first frame member so that the end portion of the second frame member faces the vertically extending side surface of the first frame member.