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    • 8. 发明专利
    • JOINT TYPE COUPLER FOR TWO RAILWAY ROLLING STOCK
    • JPH0220474A
    • 1990-01-24
    • JP12860289
    • 1989-05-22
    • ALSTHOM ATLANTIQUE
    • MISHIERU KURO
    • B61D3/10B61F5/20B61G5/02
    • PURPOSE: To ensure the function in a high-speed train at low cost with a lighter weight by forming a joint of a toroidal part to be connected to one rolling stock and a support part to be connected to the other rolling stock, so that the connection can be performed even when both the parts are opposed to each other with large eccentricity. CONSTITUTION: A composite toroidal articulated coupling element is formed of a metal plate 14 put between elastic material layers 15, a truncated conical plate 16 forms the support surface of the toroidal part 1, and a vertical shaft 17 is fixed to the center of a base plate 9 by a screw 19. The shaft 17 is fitted into the boring part 4 of the part 1 to leave a large clearance with the boring part 4, the clearance avoids the contact of the circumference of the shaft 17 with the boring part 4 in the vertical movement in traction or braking, so that the shaft 17 makes contact with the boring part 4 only when an abnormal impact occurs. A circular cap 17 having a flat lower surface 18A is formed on the upper part of the shaft 17, and opposed to the smooth hard alloy toroidal ring 8 of the part 1. Since the fixing pin 21 of the part 1 is fitted into the fork 22 of a toroidal member 13, the slippage between the part 1 and the toroidal element 13 is eliminated in passing a sharp curve, and the part 1 can be relatively rotated.