SPRING TERMINAL OF RAIL FASTENING Russian patent published in 2022 - IPC E01B9/30 E01B9/48 

FIELD: transportation.

SUBSTANCE: invention relates to railway transport, to rail fastening. Spring terminal of rail fastening is made from a bar of elastic material, bent with formation of a rectilinear on-rail section, smoothly changing at first into side extended sections, and then — in the adjacent to each other on-sleeper arched sections and in the end sections bent inside the terminal. Each of the side extended sections is formed by a part of a circle with a center lying at the intersection of the longitudinal axial line of the rectilinear rails section and the straight line passing through the support point of the on-sleeper arched section on the sleeper and the point of application of force on the end section.

EFFECT: increased stability of rail pressing force, increased fatigue strength of spring terminal.

1 cl, 1 dwg