FLAT SPRING FOR RAILROAD VEHICLE BOGIE

摘要

A railcar bogie plate spring (10) of the present invention includes: an upper surface member (12) constituted by fiber reinforced plastic in which reinforced fibers are stacked so as to extend in a longitudinal direction; a lower surface member (14) constituted by fiber reinforced plastic in which reinforced fibers are stacked so as to extend in the longitudinal direction; and a core member (16) arranged between the upper surface member (12) and the lower surface member (14). The core member (16) is constituted by fiber reinforced plastic in which: reinforced fibers are stacked in a width direction perpendicular to a stack direction of the upper surface member (12) and the lower surface member (14); and in a side view of the core member (16), the reinforced fibers are inclined relative to a bending neutral axis so as to intersect with one another.