| 摘要 |
PROBLEM TO BE SOLVED: To provide a truck for a railway vehicle including axle-box suspensions which enable reduction of the number of components and assembly work hours.SOLUTION: A truck for a railway vehicle includes: a truck frame 12; a wheel set comprising wheels and an axle; axle box bodies which hold the wheel set so that the wheel set may roll; and axle spring gears 14, each of which connects the truck frame 12 to the axle box body. Each axle spring gear 14 comprises: an upper component configured to contact with the truck frame; a lower component placed on the axle box body; and an elastic body which connects the upper component with the lower component and has an elastic function acting in a vertical direction. The upper component, the elastic body, and the lower component are integrally molded by cutting work.SELECTED DRAWING: Figure 2 |
