Offset detecting device for trolley-assisted vehicles
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United States of America Patent
Stats
-
May 24, 1988
Grant Date -
N/A
app pub date -
Jul 22, 1987
filing date -
Jul 29, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Offset condition detecting device for detecting offset condition of pantographs from overhead contact wires by means of electric current detected by a contact element mounted on the pantograph and insulated therefrom. The detection is made electrically and in case of emergency the pantographs are lowered down at high speed to prevent damage of pantographs of trolley-assisted vehicles.
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Cited Art Landscape
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