RAILWAY BOGIE BOLSTER Russian patent published in 2015 - IPC B61F5/00 

FIELD: transport.

SUBSTANCE: bolster is composed of the steel box-like cross-section cast composed of top belt, bottom belt and stiffness ribs to connect said top and bottom belts. Outer walls of extra ribs smoothly develop from bolster ends side in its inside from springs set thrust side to bolster end part top belt. While from thrust bearing side, they smoothly conjugate with bolster top belt in the zone of thrust site for bearers. Note that at bottom part confined by aforesaid thrust side for bearers, they smoothly conjugate with lengthwise stiffness ribs arranged on bottom belt over the entire length of the bolster central part. Spacing between outer walls of extra ribs is not larger than the width of springs set thrust site inside the bolster in the area of seta for friction wedges. Note here that access openings are arranged in symmetry about the bolster lengthwise axis in circular transition from top belt horizontal end to bearers thrust site. Every said opening is located outside said extra stiffness ribs.

EFFECT: possibility for installing the detachable bearers.

3 cl, 4 dwg