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    • 5. 发明授权
    • Mechanical drive
    • 机械驱动
    • US3682006A
    • 1972-08-08
    • US3682006D
    • 1970-09-17
    • INT STANDARD ELECTRIC CORP
    • WESTERMAIER JOSEPHBAMBERG PAUL
    • F16H19/00F16H25/04F16H9/00
    • F16H25/04F16H19/005F16H19/0659Y10T74/18832
    • A mechanical drive is provided for actuating the tuning means in radio equipments for converting a uniform rotary movement into a non-uniform rotary movement with the aid of camplates. The two camplates of almost the same shape and size are arranged paraxially next to each other, the face surfaces thereof almost touch each other, and said camplates are in connection with one another via a tape which, upon actuation of the drive shaft, extends from the circumference of one camplate to the circumference of the other camplate. Both the driving shaft and the driven shaft are resiliently braced so that the tape in every position of the drive is fully applied to said camplates.
    • 提供了一种机械驱动器,用于在无线电设备中致动调谐装置,用于将均匀的旋转运动转换成借助于凸轮板的不均匀的旋转运动。 几乎相同形状和尺寸的两个平板彼此相邻地布置,其表面几乎彼此接触,并且所述凸版通过磁带彼此连接,磁带在驱动轴的致动时从 一个凸轮的圆周与另一个凸轮的圆周相连。 驱动轴和从动轴均被弹性地支撑,使得驱动器的每个位置的带完全施加到所述的板上。
    • 10. 发明授权
    • Long stroke pumping unit
    • 长冲程泵
    • US3695117A
    • 1972-10-03
    • US3695117D
    • 1970-06-17
    • UNITED STATES STEEL CORP
    • EWING ROY DRIZZONE MICHAEL L
    • F16H19/00F16H27/02
    • F16H19/0659Y10T74/18848
    • An improvement in a long-stroke pumping unit of the type shown in an earlier patent (Kuhns et al. U.S. Pat. No. 3,285,081). The patented unit includes a tower, drums mounted at the top of the tower, and a reversible drive for the drums. Flexible cables suspend a rod string and a counterbalance from the drums to move in opposite directions. Improvement is in attaching the cables to the drums with pivoted levers to prevent detachment caused by overrun at the ends of a stroke and to shorten the moment arms more effectively at the ends of each stroke.
    • 早期专利(Kuhns等人,美国专利3,285,081)所示类型的长冲程泵送装置的改进。 专利单元包括塔架,安装在塔顶部的滚筒和用于滚筒的可逆驱动装置。 柔性电缆将杆串和平衡物悬挂在鼓之间以相反的方向移动。 改进之处在于将电缆连接到具有转动杆的鼓上,以防止在行程末端由超限引起的分离,并且在每个行程的末端更有效地缩短力矩臂。