Patent ID: 7731253
Filing Date: 2010-06-08
Classification: B60B

Abstract:
1. A rubber-sprung rail wheel comprising: a wheel tire having an inner side and a peripherally-extending web formed on said inner side; said peripherally-extending web defining a center plane; a wheel rim having an outer side facing toward said wheel tire; said wheel rim further including two legs on said outer side and said legs having respective end edges; two rubber rings disposed on opposite sides of said web and being laterally delimited by corresponding ones of said two legs; each of said end edges and the rubber ring adjacent thereto conjointly defining a transverse plane; said inner side of said wheel tire and said transverse plane conjointly defining a first intermediate space; said web and said rubber rings having respective end edges facing toward said outer side of said wheel rim; said end edges of said web and of said rubber rings facing toward said outer side and said outer side conjointly defining a second interior space; said web and said legs being so configured that said rubber rings are arranged inclined with respect to said center plane of said web; each of said rubber rings having inner and outer diameters; at least one of said rubber rings being subdivided into a first region having a boundary at said inner diameter and a second region having a boundary at said outer diameter and a mid region disposed between said first and second regions; and, said first and second regions each being conically shaped regions when viewed in section and said mid region having uniform wall thickness.