Steering railway vehicle trucks

In a railway vehicle, a truck having side frames, a bolster, and at least two wheel-sets, each wheel-set being a live axle mounted in a respective pair of axle bearings, at least one axle bearing of one wheel-set being elastically interconnected with at least one axle bearing of the other wheel-set through bracing means providing bracing between the wheel-sets, said bracing means comprising a frame structure for each wheel-set which extends transversely of the vehicle and is connected between axle boxes housing said axle bearings of each respective wheel-set, the improvement wherein each said frame structure comprises a first frame member which is transversely arranged and extends substantially horizontally, and a pair of second frame members rigidly connected one at each outer end of said first frame member, said second frame members extending upwardly and being rigidly connected at their upper ends to respective axle boxes of their wheel-set, said first frame members being connected intermediately via an elastic connection at a level well below said live axles, on said side frames between the wheel-sets and within and above the space defined by construction of said frame structures, said first frame members passing freely beneath said bolster.