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    Convergent link system for connecting a screed to the traction unit of a paving machine
    1.
    发明授权
    Convergent link system for connecting a screed to the traction unit of a paving machine 失效
    用于将熨平板连接到铺路机的牵引单元的收敛链接系统

    公开(公告)号：US3891338A

    公开(公告)日：1975-06-24

    申请号：US35593173

    申请日：1973-04-30

    申请人： BARBER GREENE CO

    发明人： SMITH FRED T ,  MUNYON JULIAN M ,  GEBHARDT JR JAMES J

    IPC分类号： E01C19/48 ,  E01C19/00

    CPC分类号： E01C19/4873 ,  E01C2301/10

    摘要： An upper pair of arms is pivotally connected at its forward and rearward ends to the screed and to the rear portion of the traction unit. A lower pair of arms is pivotally connected at its forward and rearward ends to the screed and to the rear portion of the traction unit. Imaginary extensions of the upper and lower pairs of arms converge and intersect at points defining a transversely extending effective tow axis, which axis is disposed adjacent the subgrade and forwardly of the rearwardmost extremity of the traction means supporting the traction unit.

    摘要翻译： 上一对臂在其前端和后端可枢转地连接到熨平板和牵引单元的后部。 下一对臂在其前端和后端可枢转地连接到熨平板和牵引单元的后部。 上和下对对的虚拟延伸部在限定横向延伸的有效牵引轴线的点处会聚并相交，该轴线邻近路基设置，并且支撑牵引单元的牵引装置的最后端部向前。

    High energy screed for a paver or the like
    2.
    发明授权
    High energy screed for a paver or the like 失效
    高能量屏障或类似的屏幕

    公开(公告)号：US3838933A

    公开(公告)日：1974-10-01

    申请号：US30853572

    申请日：1972-11-21

    申请人： BARBER GREENE CO

    发明人： LEHMAN H ,  SMITH F

    IPC分类号： E01C19/48 ,  E01C19/38

    CPC分类号： E01C19/4853

    摘要： The trailing portion of the screed is connected to the draft arms by leaf springs contained in a vertical transverse plane. The upper ends of the springs are rigidly secured to the draft arms; the lower ends of the springs are connected to the screed by a horizontal, transverse pivot. Vibrators are mounted on the screed adjacent the leading portion thereof. Vertically disposed coil springs have their lower ends engaged with the vibrators for imparting a downward force thereto. The upper ends of these springs support weights, which weights are freely supported by vertical walls mounted from the draft arms.

    摘要翻译： 熨平板的尾部通过包含在垂直横向平面中的板簧连接到牵引臂。 弹簧的上端刚性固定在牵引臂上; 弹簧的下端通过水平的横向枢轴连接到熨平板上。 振动器安装在靠近其引导部分的熨平板上。 垂直设置的螺旋弹簧的下端与振动器接合，以向其施加向下的力。 这些弹簧的上端支撑重物，这些重物由从牵伸臂安装的垂直壁自由地支撑。

    Idler roll structure with improved bearing seal assembly
    3.
    发明授权
    Idler roll structure with improved bearing seal assembly 失效
    具有改进的轴承密封组件的IDLER辊结构

    公开(公告)号：US3680933A

    公开(公告)日：1972-08-01

    申请号：US3680933D

    申请日：1970-11-16

    申请人： BARBER GREENE CO

    发明人： WALKER DONALD E

    IPC分类号： B65G39/09 ,  F16C13/02 ,  F16C33/80

    CPC分类号： F16C13/02 ,  B65G39/09 ,  F16C19/364 ,  F16C33/78

    摘要： A heavy-duty belt conveyor idler roll construction and a heavyduty seal assembly construction are disclosed. The idler roll is provided with a heavy gauge outer shell and flat end-head members that are welded to the shell at the inner diameter of the shell so that no weld splatter or rough edges are presented on the working surface of the shell. The idler roll is provided with a solid through-shaft surrounded by a grease sleeve which interconnects the bearing assemblies at the roll ends so that a one-point lubrication positively feeds the lubricants to and through the bearing assemblies and air pockets cannot form in the bearing cavities. Shaft supports are closely spaced to the bearing assemblies to reduce shaft deflection and increase bearing life. The seal assemblies include an outer oilimpregnated adjustable retaining member, a synthetic resin face seal member and a reinforced elastomeric lip seal member arranged to provide a five-pass labrinth seal for excluding foreign matter from the bearing assembly and locking lubricants within the bearing assembly and having characteristics of a dirt exclusion seal and a lubricant retaining seal.

    摘要翻译： 公开了一种重型带式输送机惰辊结构和重型密封组件结构。 惰辊设置有厚尺寸的外壳和平坦的端头构件，其在外壳的内径处焊接到壳体，使得在壳体的工作表面上不存在焊接飞溅或粗糙边缘。 惰辊设置有固体通轴，该固体通轴由润滑脂套筒包围，该润滑脂套筒在辊端部将轴承组件相互连接，使得一点润滑将润滑剂正确地馈送到轴承组件并且穿过轴承组件，并且不能在轴承中形成气穴 空腔 轴支撑件与轴承组件紧密分开，以减少轴偏转并增加轴承寿命。 密封组件包括外部油浸可调保持构件，合成树脂面密封构件和加强的弹性体唇缘密封构件，其被布置成提供用于从轴承组件排除异物并在轴承组件内锁定润滑剂的五通的密封件 并具有防污密封和润滑剂保持密封的特征。