Abstract: A rail vehicle's pillow beam (9) has a plurality of radial ribs (20) radially disposed, horizontally oriented, projecting shapes on a flat plate surface arranged radially from the center of the vertical load input (17) and curvature provided along the longitudinal or width direction of the vehicle, gradually curving along the longitudinal or width direction of the vehicle as it moves away from the center of the vertical load input, and a plurality of circular ribs (21) arranged intermittently around the vertical load input seating surface so as to overlap the plurality of radial ribs (20).

Abstract: A soundproof cover which covers a target object is provided with: a sound absorbing sheet which is formed in a planar shape by means of a sound absorbing material and which covers the surface of the target object; and a reinforcing member which is disposed in a position engaging with engaged portions of the target object, and which positions the sound absorbing sheet with respect to the target object with at least a portion of the sound absorbing sheet exposed. The reinforcing member is provided with: a first reinforcing portion, which is an elongate member and which is disposed in a position engaging with a first engaged portion of the target object; and second reinforcing portions, which are elongate members and which are disposed in different positions to the first reinforcing portion.

Abstract: A rail vehicle includes a roof structure that configures an upper face, a side structure that configures a side face, a gable end structure that configures an end face in a longitudinal direction, and an underframe that configures a lower face. The underframe is configured from a hollow shaped member formed from two face plates and a rib that connects the face plates to each other.