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Silvanus Phillips Thompson
Miles Walker
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Publication of GB189718416ApublicationCriticalpatent/GB189718416A/en
18,416. Thompson, S. P., and Walker, M. Aug. 7. Electric railways and tramways on a road-contact system. Relates to means for preventing these contacts from being left alive after the vehicle has passed. Conductors; switches.-Auxiliary studs Z are connected to the main surface contact S behind, as shown in Fig. 1, and are brushed by an auxiliary skate K<2> on the vehicle, and thereby short-circuited, so as to operate a cut-out and an indicator on the vehicle also if required. In the modification shown in Fig. 2, the auxiliary studs Z are only connected to the main studs on both sides by a switch C<3> when the main switch C' at the adjacent main contact, is operated.
GB189718416D1897-08-071897-08-07Improvements in or relating to Electric Traction.
ExpiredGB189718416A
(en)
Improvements in Mechanism for Electric Traction Systems in which the Electric Current is Supplied to the Cars or Locomotives from Studs, Sections of Rails or the like Laid in the Road.