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    • 1. 发明授权
    • Fifth wheel coupler assembly
    • 第五轮联轴器总成
    • US3787076A
    • 1974-01-22
    • US3787076D
    • 1972-04-11
    • DAYTON STEEL FOUNDRY CO
    • WALTHER WDEREGNAUCOURT R
    • B62D53/12
    • B62D53/12
    • A fifth wheel coupler assembly having dual opposed coupling jaws pivotally mounted beneath the top plate on opposite sides of the kingpin slot. A latch mechanism is carried beneath the top plate and includes a plunger block movable longitudinally of the kingpin slot and spring-biased so as to be inserted between opposed and parallel faces on the forward end of the dual coupling jaws to lock the jaws in a kingpin engaging position. A sensor arm projects into the slot when the assembly is in open or kingpin receiving condition and has an orientation such that the plunger block will not release if the kingpin is in a position so as not to correctly engage with the coupling jaws.
    • 第五轮联接器组件,其具有在主销槽的相对侧上枢转地安装在顶板下方的双对置联接夹爪。 闩锁机构承载在顶板的下面,并且包括可在主销槽纵向移动并且被弹簧偏置的柱塞块,以便插入在双联接夹爪的前端上的相对面和平行面之间,以将钳口锁定在主销 参与的位置。 当组件处于打开或主销接收状态时,传感器臂突出到槽中,并且具有使得当主销处于不能与联接夹正确接合的位置时柱塞块不会释放的定向。