公开(公告)号：US20220266877A1

公开(公告)日：2022-08-25

申请号：US17628256

申请日：2020-06-19

Applicant: HITACHI, LTD.

Inventor： Kenjirou GOUDA ,  Masataka HIDAI ,  Katuyuki IWASAKI ,  Takao WATANABE

IPC: B61F5/04

Abstract: A bogie for a railway vehicle 1 includes an elastic element 20 that is arranged between a vehicle body 7 and a bogie frame 3 of a railway vehicle and elastically supports both, and the elastic element 20 is configured in such a manner that a spring constant for displacement in the longitudinal direction in the traveling direction of the vehicle body 7 is smaller than that for displacement in the vertical direction or the left-and-right direction in the traveling direction.