FIELD: transport engineering. SUBSTANCE: upper contact unit for current collector of electric vehicle consists of two trolleys hinge mounted on upper frame of current collector and pans secured on vertically movable spring-loaded rods arranged in trolley guides. Guides of rods of one of trolleys are hinge mounted on axle square to length of pan. EFFECT: prevention of wedging of trolley at non-uniform travel of rods. 2 dwg
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