发明名称 RAILROAD TRACKWORK INTERSECTIONS RAILROAD TRACKWORK INTERSECTIONS
摘要 A railroad trackwork intersection assembly such as a crossing intersection or a turnout intersection is provided with at least one flange-bearing frog subassembly which has railcar wheel flangeways of uniform depth throughout the frog planform that co-operate with trackwork traffic rails, with easer subassemblies that are positioned exterior to but abut the frog subassembly, that have sloping flange support surfaces, and that may be removed from or adjusted in the assembly without moving or adjusting either the frog subassembly or the co-operating trackwork traffic rails.
申请公布号 CA2245478(A1) 申请公布日期 1999.02.28
申请号 CA19982245478 申请日期 1998.08.25
申请人 ABC RAIL PRODUCTS CORPORATION 发明人 XIA, JOAN Q.;BAKER, THOMAS S., JR.;YOUNG, KEITH;KUHN, STEPHEN R.
分类号 E01B7/10;(IPC1-7):E01B7/10 主分类号 E01B7/10
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