发明名称 Hollow pole with internal wire gripping and securing means
摘要 A device for securing and anchoring a telephone wire comprises a narrow helix with widely spaced coils with an open bight at one end. The invention further comprises a telephone pole with an internal fixing element such as a ring with the device securing a wire looped onto it.
申请公布号 US4228316(A) 申请公布日期 1980.10.14
申请号 US19780947954 申请日期 1978.10.02
申请人 THE POST OFFICE 发明人 MACFARLANE, JOHN H. T.
分类号 H02G7/20;(IPC1-7):H02G7/20;F16G11/00 主分类号 H02G7/20
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