Patent ID: 8656841
Filing Date: 2014-02-25
Classification: B61D

Abstract:
1. A bodyshell structure of a railcar, comprising: a side bodyshell including an outside plate portion, an inside plate portion, and a joint portion configured to join the outside plate portion and the inside plate portion; an inside window opening formed on the inside plate portion and provided inside the railcar; and an outside window opening formed on the outside plate portion and having a smaller opening area than the inside window opening, wherein: the outside window opening has an oval shape extending in a railcar longitudinal direction or a circular shape; the side bodyshell is formed by joining at least an upper side bodyshell and a lower side bodyshell, which are separable in a railcar vertical direction; a joint portion of the upper side bodyshell and the lower side bodyshell is located at a straight portion formed at the outside window opening and the inside window a opening to extend in the railcar vertical direction; and a length of the straight portion is 1% to 10% of a vertical height of the inside window opening.