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    • 1. 发明授权
    • Fifth wheel assembly
    • 第五轮总成
    • US4443025A
    • 1984-04-17
    • US354240
    • 1982-03-03
    • Samuel A. MartinFredrick J. BakkerGerald W. HungerinkJack L. GisingerJames H. Bush
    • Samuel A. MartinFredrick J. BakkerGerald W. HungerinkJack L. GisingerJames H. Bush
    • B62D53/08
    • B62D53/0807
    • A fifth wheel assembly for coupling tractor and trailer units includes an improved trunnion bracket, comprising a pair of forged bearing caps having an inverted, U-shaped configuration, with bearing sleeves fixedly mounted therein. In sliding fifth wheel embodiments of the present invention, the bearing caps are mounted on rectangular channels fabricated from two L-shaped channel members with a flat plate attached to the upper edges of the L-shaped channels. An improved plunger is provided for adjustably connecting the trunnioned fifth wheel assembly with a base plate on which slotted racks have been mounted, and comprises a forged, two-prong construction with internal guides which minimizes structural disruption in the channels to provide greater strength. Adjustable stops are mounted on the exterior ends of the plungers, and abut the exterior sides of the racks to accurately maintain the plungers in a locked position. A manual lock release comprises an over-centered lever arm arrangement, which securely retains the plungers in the unlocked position for adjustment.
    • 用于联接牵引车​​和拖车单元的第五轮组件包括改进的耳轴支架,包括一对具有倒置的U形构造的锻造轴承盖,其中固定地安装有轴承套筒。 在本发明的滑动第五轮实施例中,轴承盖安装在由两个L形通道构件制成的矩形通道上,平板连接到L形通道的上边缘。 提供了一种改进的柱塞,用于可调节地连接带齿的第五轮组件与已经安装有开槽的机架的底板,并且包括具有内部引导件的锻造的双管结构,其最小化通道中的结构中断以提供更大的强度。 可调节止动件安装在柱塞的外端上,并且邻接机架的外侧,以将柱塞准确地保持在锁定位置。 手动锁定释放装置包括过中心的杠杆臂布置,其将柱塞牢固地保持在解锁位置以进行调节。
    • 2. 发明授权
    • Fifth wheel suspension
    • 第五轮悬挂
    • US4199168A
    • 1980-04-22
    • US909615
    • 1978-05-26
    • James H. BushSamuel A. Martin
    • James H. BushSamuel A. Martin
    • B62D53/08
    • B62D53/0835
    • A support for a tilt stabilizing fifth wheel hitch that connects a truck tractor to a trailer, the fifth wheel plate being on a movable frame having a pair of convex shoes connected by a tie rod and resting on concave bearing plates on a fixed frame, the movable frame being movable on the fixed frame toward either of two opposite extreme positions from an intermediate neutral position. The movable frame is biased away from these extreme positions toward the intermediate position by variable force biasing means, preferably coil compression springs on said tie rod, which apply increasing biasing force with increased movement of the movable frame toward one of said extreme positions, thereby enabling the truck driver to "sense" or "feel" the tilted condition of his trailer relative to his tractor during operation.
    • 一种用于将卡车拖拉机连接到拖车上的倾斜稳定的第五轮牵引的支撑件,所述第五轮板位于具有通过拉杆连接并搁置在固定框架上的凹形支承板上的一对凸起的鞋的可动框架上, 可移动框架可在固定框架上朝向从中间中立位置的两个相对极限位置中的任一个移动。 可移动框架通过可变力偏置装置偏压从这些极限位置朝向中间位置,优选地是所述拉杆上的线圈压缩弹簧,其随着可移动框架朝向所述极限位置之一的增加的运动而施加增加的偏压力,从而使能 卡车司机在操作期间“感觉”或“感觉到”他的拖车相对于拖拉机的倾斜状态。