发明名称 Railroad cross tie and track continuity detector systems
摘要 A rail tie and track-tie connection includes a molded plastic body member having molded plastic cover pieces attached to the body member, with lip portions engaging and capturing bottom flanges on the track rails. The body member may be hollow with a filler mass supporting the sides and cross bolts providing further reinforcement. A detector circuit for electronically detecting removal of a cover piece is located within the tie body member.
申请公布号 US5713518(A) 申请公布日期 1998.02.03
申请号 US19960690830 申请日期 1996.08.01
申请人 FOX, JAMES C.;FOX, II, JAMES C. 发明人 FOX, JAMES C.;FOX, II, JAMES C.
分类号 E01B3/44;E01B3/46;(IPC1-7):E01B3/00 主分类号 E01B3/44
代理机构 代理人
主权项
地址