FIELD: transportation.
SUBSTANCE: invention relates to railway transport, in particular to truck bolsters. Bolster includes an upper chord, a lower chord comprising supporting surfaces in its end portions, these surfaces being conjugated with the inclined members, two vertical side walls connected to the upper chord and the lower chord, and an inner vertical wall located between said vertical side walls and connected to the upper chord and the lower chord. Inner vertical wall contains process overlaps, each of which is connected to the upper chord and the lower chord and is located in the interface area of the supporting surface with the inclined member.
EFFECT: increase in the fatigue strength of the bolster is achieved.
3 cl, 2 dwg
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