GB190123423A - Improvements in and relating to Means for Supporting and Insulating the Trolley Wires of Electric Tramways on the Overhead Trolley, Wire System,
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Improvements in and relating to Means for Supporting and Insulating the Trolley Wires of Electric Tramways on the Overhead Trolley, Wire System,
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William Charles Ullmann
Amos Edward Barber
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23,423. Ullmann, W. C., and Barber, A. E. Nov. 19. Electric railways and tramways with overhead conductors. Insulation; conductors, supports for. Instead of pivoting the trolley-wire hanger 1 directly to the support, it is hung by one or more pivoted links or their equivalents 7 so as to maintain a horizontal position under unbalanced forces. Preferably the link also serves as an insulator, being made with two forked ends 9, 10 held in insulating-material 20 containing strengthening metal pieces 21.
GB190123423D1901-11-191901-11-19Improvements in and relating to Means for Supporting and Insulating the Trolley Wires of Electric Tramways on the Overhead Trolley, Wire System,
ExpiredGB190123423A
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