ELECTRIC RAILWAY CURRENT LEAD Russian patent published in 1994 - IPC

FIELD: railway transport. SUBSTANCE: contact wire 5 is connected by means asymmetrical cramps 2 and clamps 4 to multisupport beam 1 extending along the railway track, on the side of the beam lower flange. At the adjacent points of connection of the contact wire to the beam the clamps and the main parts of the cramps are positioned on different sides relative to the beam web, i.e. the wire extends in a zigzag manner in plan relative to the beam longitudinal axis. Clamp 4 is secured on cramp 2 at such a height, at which a vertical gap is formed between the upper surface of contact wire 5 and lower flat surface of beam 1 for the whole space of the current lead. EFFECT: enhanced reliability. 4 dwg