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    • 6. 发明申请
    • METHOD AND DEVICE FOR PULLING A CABLE THROUGH A SECTION OF PIPE
    • 用于通过一段管道拉紧电缆的方法和装置
    • WO2003061088A1
    • 2003-07-24
    • PCT/US2003/000824
    • 2003-01-13
    • TT TECHNOLOGIES, INC.
    • TJADER, Michael
    • H02G1/08
    • H02G1/08H02G1/085
    • An improved cable pulling device and method is shown. The cable pulling device is smaller, less expensive, and easy to use for lateral line replacement. The cable pulling device includes a cable contacting portion that provides supplemental frictional force during a rotational pulling stroke. Among other advantages, this allows a smaller, more compact design that provides higher gripping and pulling power. Embodiments as described above further allow for a smooth jaw configuration that reduces cable damage. A cable pulling device is also shown that includes a configuration of a force distributing device. One embodiment includes substantially orthogonal plates that help to reduce device twisting during a pulling operation. In a further embodiment, a force distributing device is adapted for attachment to a ground working implement arm.
    • 示出了改进的电缆牵引装置和方法。 电缆牵引装置更小,更便宜,并且易于用于侧线更换。 电缆牵引装置包括在旋转牵引行程期间提供补充摩擦力的电缆接触部分。 除了其他优点之外,这允许更小,更紧凑的设计,提供更高的夹紧力和拉力。 如上所述的实施例进一步允许减少电缆损坏的平滑夹爪配置。 还示出了包括力分配装置的构造的电缆牵引装置。 一个实施例包括有助于在拉动操作期间减少装置扭转的基本上正交的板。 在另一实施例中,力分配装置适于附接到地面作业工具臂。
    • 9. 发明申请
    • DRILL GRIPPING DEVICE AND METHOD
    • 钻屑装置和方法
    • WO2004065753A1
    • 2004-08-05
    • PCT/US2004/000587
    • 2004-01-09
    • TT TECHNOLOGIES, INC.TJADER, Michael
    • TJADER, Michael
    • E21B19/16
    • E21B19/163
    • A drill gripping device is shown with an inexpensive and compact design. In one embodiment, an inexpensive and more compact design is possible through the use of a single actuator with a single gripping portion of a drill gripping device. Embodiments of drill gripping devices shown are further reduced in price and size due to a force amplification device such as a camming arm. Alternatively, an increased gripping force is possible using an existing size actuator. A drill gripping device is shown with increased precision in gripping. A pair of gripping jaws are synchronized to improve jaw centering capabilities.
    • 示出了具有廉价且紧凑设计的钻夹持装置。 在一个实施例中,通过使用具有钻夹持装置的单个夹持部分的单个致动器,便宜且更紧凑的设计是可能的。 所示的钻夹持装置的实施例由于诸如凸轮臂的力放大装置而进一步降低了价格和尺寸。 或者,使用现有尺寸的致动器可以增加夹紧力。 示出了具有更高的夹紧精度的钻夹持装置。 一对夹钳同步,以改善钳口对中能力。