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    • 2. 发明授权
    • Snubbed railway truck
    • SNUBBED铁路卡车
    • US3845725A
    • 1974-11-05
    • US35750573
    • 1973-05-04
    • STANDARD CAR TRUCK CO
    • GIERLACH R
    • B61F5/14B61F5/06B61F5/12
    • B61F5/14
    • A railroad car bolster is supported on the snubbed bolster of a truck. Elastomeric cushions or pads are positioned between the two bolsters to provide resistance, in shear, to the pivotal movement between the truck and car bolsters. The opposite ends of the truck bolster are supported on side frames, there being a snubbed spring support between the side frames and the truck bolster. The spring support includes springs of varying deflection per pound of load with the result that the bolster is supported on springs having a greater deflection per pound of load when the car is empty and is supported on springs of less deflection per pound of load when the car is loaded. The combination of the springs of varying deflection and the elastomeric pads retard hunting of the car trucks about the pivotal attachment of the trucks to the car.
    • 一辆铁路车枕支撑在卡车的缓冲垫上。 弹性垫或垫位于两个垫之间,以在剪切中提供卡车和轿厢之间的枢转运动的阻力。 卡车摇枕的相对端支撑在侧框架上,侧框架和卡车摇枕之间有一个缓冲弹簧支撑。 弹簧支撑件包括每磅负载变化的弹簧,结果是当轿厢为空时,垫子被支撑在每磅负载上具有较大挠度的弹簧上,并且当轿厢的负载较小时,每当载荷较小的弹簧被支撑时 被加载 不同偏转的弹簧和弹性垫片的组合阻碍了卡车围绕卡车到汽车的枢轴连接的打击。