Electricity: transmission to vehicles – Conductors – Third rail
Patent
1977-06-30
1978-08-08
Bertsch, Richard A.
Electricity: transmission to vehicles
Conductors
Third rail
339 22T, 339112R, B60M 134
Patent
active
041050991
ABSTRACT:
A voltage rail comprising an elongated support of an insulating synthetic material manufactured by extrusion and in which two or more elongated slots are recessed. A current conductor is accommodated in each slot, and separated from the support material by a thin heat-resistant foil. Preferably, between the slots the support is a thin-walled hollow structure.
REFERENCES:
patent: 3341648 (1967-09-01), Melstedt et al.
Bertsch Richard A.
Treacy David R.
Trifari Frank R.
U.S. Philips Corporation
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