INTEGRAL PLATELESS RAIL FASTENING FOR REINFORCED CONCRETE UNDERRAIL BASE Russian patent published in 1998 - IPC

FIELD: railway transport; permanent way; members fastening rail to reinforced concrete base at designed position. SUBSTANCE: fastening is mounted on reinforced concrete base 1 and includes insert in form of washer 9 installed in widened part of through channel 2 for hook bolt, clamp 7 and adjusting washer 8 tied up by common hook bolt 4. Hook bolt 4 has one end bent to side. Bent end thrusts against wall 3 of widened part of channel 2 and against lower surface of washer 8. EFFECT: enhanced fastening of rails. 8 cl, 9 dwg