OVERHEAD CONTACT WIRE WITH WEAR INDICATORS Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: invention relates to overhead contact wires used to transmit electric energy to electrified ground vehicles and it be used to reveal critical wear of contact wire. Overhead contact wire with wear indicators is made in form of current-conducting core made of nonferrous metal which had catch head, neck and base. Wear indicators are arranged in base being made of steel wire with light-absorbing or light- reflecting or luminescent coating and located at boarder of core critical wear. EFFECT: visual determination of critical wear of contact wire. 1 dwg