Overhead electric traction systems

Details Overhead electric traction systems Overhead electric traction systems

1981-01-09

1986-07-01

Schacher, Richard A.

Electricity: transmission to vehicles

Conductors

Trolley

191 31, B60M 104

Patent

active

045981809

ABSTRACT:
In an overhead electric traction system, an overhead contact wire is enclosed throughout its length within an elongate protective cover of resilient electrically insulating material. The cover is secured to the contact wire, is symmetrical about a longitudinally extending vertical plane passing through the axis of the contact wire and includes a pair of transversely extending base walls which underlie and are spaced from the contact wire and abut in the vertical plane. When engaged by a transversely extending elongate current collector carried by a travelling vehicle, the base walls are deflected upwardly and outwardly away from one another to expose the running surface of the contact wire and permit the current collector to effect electrical contact with and collect current from the contact wire; after passage of the current collector, the base walls return to their original undeflected positions so that the contact wire is again enclosed within the cover.

REFERENCES:
patent: 2824913 (1958-02-01), Taylor
patent: 3321587 (1967-05-01), Ross
patent: 3439131 (1969-04-01), Ross

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