发明名称 RAILROAD CAR CONSTANT CONTACT SIDE BEARING ASSEMBLY
摘要 A railroad car constant contact side bearing assembly plastic cap having a longitudinal axis and including a generally flat top surface with wall structure formed integral with and depending from said generally flat top surface, and a metallic insert maintained in operable association with the generally flat surface on said cap to slidably contact with an underside of a railcar whereby permitting said cap to establish a coefficient of friction ranging between about 0.4 and about 0.9 with the railcar.
申请公布号 US2014261065(A1) 申请公布日期 2014.09.18
申请号 US201414268424 申请日期 2014.05.02
申请人 ASPENGREN Paul B.;White Steve R. 发明人 ASPENGREN Paul B.;White Steve R.
分类号 B61F5/14 主分类号 B61F5/14
代理机构 代理人
主权项 1. A railroad car constant contact side bearing assembly plastic cap having a longitudinal axis, comprising: a generally flat top surface with wall structure formed integral with and depending from said generally flat top surface; and a metallic insert maintained in operable association with the generally flat surface on said cap to slidably contact with an underside of a railcar whereby permitting said cap to establish a coefficient of friction ranging between about 0.4 and about 0.9 with the railcar.
地址 North Aurora IL US