Electricity: transmission to vehicles – Conductors – Trolley
Patent
1980-07-28
1982-03-23
Schacher, Richard A.
Electricity: transmission to vehicles
Conductors
Trolley
200147, B60M 118
Patent
active
043208207
ABSTRACT:
An improved trolley system section insulator having a main support insulator, end support insulators attached to trolley wires and an intermediate runner member. The runner member is formed of two spaced conductive portions which are attached to the main support insulator by studs extending upwardly through the main support insulator, the studs being electrically connected together at their uppermost ends, thereby forming 90.degree. changes in direction of the current paths which exist when arcs are formed. The path changes produce magnetic fields which tend to blow the arcs downwardly, protecting the insulator portions from arc damage.
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Harvey Hubbell Incorporated
Presson Jerry M.
Schacher Richard A,.
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