Method and device for pulling a cable through a section of pipe

Details Method and device for pulling a cable through a section of pipe Method and device for pulling a cable through a section of pipe

2006-10-24

2006-10-24

Wilson, Lee D. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Special engaging elements

Adjustable

C254S13430R

Reexamination Certificate

active

07125001

ABSTRACT:
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.

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“PCT Written Opinion”, PCT/US03/00824, Mailing Date—Nov. 11, 2003, International filing date—Jan. 13, 2003, 7.

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