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    • 4. 发明授权
    • Multi-rate vertical load support for an outboard bearing railway truck
    • 舷外轴承铁路车辆的多速率垂直负载支持
    • US5749301A
    • 1998-05-12
    • US713869
    • 1996-09-13
    • Robert D. WronkiewiczTerry L. PitchfordDaniel J. SchullerEmmanuel Vander Vennen
    • Robert D. WronkiewiczTerry L. PitchfordDaniel J. SchullerEmmanuel Vander Vennen
    • B61F5/14B61F5/00
    • B61F5/14
    • A constant-contact load-bearing assembly for a railcar truck bolster and operable against a complementary body bolster bearing and biased to continuously contact the body-bolster bearing to transfer the lading and railcar weight forces, which assembly has an outer element of a first coefficient of friction, a second or inner element with a second and larger coefficient of friction and biasing apparatus to maintain the inner assembly pad element in contact with the body-bolster assembly at an empty-railcar condition to provide control of the railcar body at the empty or unloaded car status with the biasing apparatus compressible at a loaded railcar state to provide contact between the outer pad element and the body-bolster bearing pad for transfer of the railcar loads and forces over the range of operating loads between the empty-car state and the loaded to capacity state.
    • 一种用于轨道车辆卡车摇枕的恒定接触承载组件,其可抵靠互补的主体轴承运动并被偏压以连续地接触主体支座轴承以传递提升和牵引车重量,该组件具有第一系数的外部元件 的摩擦系数的第二或内部元件,具有第二和更大的摩擦系数和偏置装置,以在空的轨道车辆状态下保持内部组件衬垫元件与身体 - 摇枕组件接触,以提供在空的轨道车身上的控制 或卸载的轿厢状态,其中所述偏置装置在加载的轨道车辆状态下可压缩,以提供所述外垫元件和所述主体承载垫之间的接触,用于在所述空车状态与所述空载车状态之间的所述工作负载范围内传递所述轨道车辆负载和力, 加载到容量状态。