Chassis Frame With Spring Cup
AssigneeSiemens AG Oesterreich
InventorsChristian KARNER, Radovan SEIFRIED
Life of this patent
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Abstract
A chassis frame for a bogie of a rail vehicle which includes at least one longitudinal member having an upper chord and a lower chord, wherein the longitudinal member has at least one end portion, a central portion, and a transition portion lying between the end portion and the central portion, and the end portion of the longitudinal member is formed as a spring cup for receiving a primary spring, where in order to improve the rigidity curve between the spring cup and the transition portion the lower chord is provided with a curvature in the region of the transition portion, where the curvature is formed such that the imaginary extension of the lower chord and the upper chord itself or the imaginary extension of the upper chord intersect in the end portion.
Claims16
1-10. (canceled)
A chassis frame for a bogie of a rail vehicle, comprising;
- at least one longitudinal member having an upper chord, a lower chord, at least one end portion, a central portion, and a transition portion lying between the end portion and the central portion, said end portion of the longitudinal member being formed a spring cup for receiving a primary spring suspension;
- wherein the lower chord has a curvature in a region of the transition portion, which is configured such that an imaginary extension of the lower chord and the upper chord itself or the imaginary extension of the upper chord intersect in the end portion.
Dependencies are inferred from the claim text.