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    • 1. 发明授权
    • Elastomeric draft gear for a railcar
    • 轨道车用弹性起落架
    • US08672151B2
    • 2014-03-18
    • US13233231
    • 2011-09-15
    • Ronald J. SprainisPeter GregarJohn M Sprainis
    • Ronald J. SprainisPeter GregarJohn M Sprainis
    • B61G5/00
    • B61G9/06B61G9/10B61G9/20Y10T29/49826
    • A draft gear assembly includes housing and an elastomeric spring stack disposed therewithin and including a plurality of compressible elastomeric springs disposed in series with each other. Each compressible elastomeric spring includes a compressible elastomeric pad, a rigid member positioned in direct contact with one end surface of the compressible elastomeric pad, a central aperture through a thickness of the rigid member, an abutment upstanding axially on the end surface of the compressible elastomeric pad, the abutment having a peripheral surface thereof sized to be received within the central aperture formed through the thickness of the rigid member, and an annular lip disposed on a distal end of the axial abutment in a plane being substantially transverse to the central axis, whereby an annular thickness portion of the rigid member is caged between the end surface of the compressible elastomeric pad and an inner surface of the annular lip.
    • 牵引装置组件包括壳体和设置在其中并包括彼此串联布置的多个可压缩弹性体弹簧的弹性体弹簧堆叠。 每个可压缩的弹性体弹簧包括可压缩的弹性体垫片,刚性构件,定位成与可压缩的弹性体衬垫的一个端面直接接触,通过刚性构件的厚度的中心孔,在可压缩弹性体 衬垫,其具有外围表面的台座,其外周表面的尺寸被设计成容纳在通过刚性构件的厚度形成的中心孔内,以及设置在基本横向于中心轴线的平面中的轴向邻接件的远端上的环形唇缘, 由此刚性构件的环形厚度部分笼罩在可压缩弹性体衬垫的端面和环形唇缘的内表面之间。