发明名称 Welded side frame column wear plate
摘要 A railway car truck having side frames with an opening for receiving the ends of a bolster, and spaced columns with removable wear resistant wear plates, secured thereto and retained by L-shaped retainers at the corners.
申请公布号 US4316417(A) 申请公布日期 1982.02.23
申请号 US19760648994 申请日期 1976.01.14
申请人 DRESSER INDUSTRIES, INC. 发明人 MARTIN, ALBERT E.
分类号 B61F5/32;B61F5/34;(IPC1-7):B61F5/12;B61F5/24;B61F5/50 主分类号 B61F5/32
代理机构 代理人
主权项
地址