Improved Means Applicable for Use with Overhead Electric Conductors for the Prevention of Danger in the Case of Telephone, Telegraph or other Wires Falling Across them.

摘要

16,814. Wilson, R. P. Aug. 21. Electric railways and tramways with safety appliances for overhead conductors. Conductors. - The sections of the trolley wire A are connected to the main F through circuit-breakers C, which are operated by electromagnets D placed in circuit between the feeder a and the insulated guard wires A'. These magnets are excited when a telephone or other wire makes contact with the guard wire.