发明名称 FRIDBERG RAILROAD WHEEL
摘要 FIELD: transport. ^ SUBSTANCE: railroad wheel includes a hub designed to be secured on wheelset axle and a rim with tread area and flange, which is connected to the hub through conical faces capable of independent rotation. One of the conical faces is made on the ring inserted into the wheel, this ring is installed on the hub capable of limited axial movement and is secured against rotation. The ring is spring-loaded against the hub towards the vertex of the conical faces. ^ EFFECT: reduced wear of conical hub-coupling faces, increased wheel stiffness. ^ 2 dwg
申请公布号 RU2344941(C2) 申请公布日期 2009.01.27
申请号 RU20060117739 申请日期 2006.05.24
申请人 FRIDBERG ARKADIJ MOISEEVICH 发明人 FRIDBERG ARKADIJ MOISEEVICH
分类号 B60B17/00;B60B9/00;B61F13/00 主分类号 B60B17/00
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