Apparatus for pulling a traction cable through an underground pi

Details Apparatus for pulling a traction cable through an underground pi Apparatus for pulling a traction cable through an underground pi

1998-04-10

2000-07-11

Walsh, Donald P.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

254266, 254284, 254285, 254286, 254326, 254327, 254325, 254382, B63B 3503

Patent

active

060860502

ABSTRACT:
A pulling apparatus includes a frame having a securing stirrup for securing a beam. The beam is provided at one end with a return pulley. Due to the structure of the securing stirrup, the tractive forces are transferred completely to the beam and the frame so that the means for securing the apparatus to the ground can be minimized. Such a design easily allows the beam to be set at an angle when the pipe is off center. The apparatus may also be easily placed in a cable chamber for operation.

REFERENCES:
patent: 644884 (1900-03-01), Wrigley
patent: 1735301 (1929-11-01), Short
patent: 2731233 (1956-01-01), Lindsay
patent: 3226088 (1965-12-01), Habighorst
patent: 4899988 (1990-02-01), Mills
patent: 5273257 (1993-12-01), Perkins
patent: 5374174 (1994-12-01), Long, Jr.
patent: 5507597 (1996-04-01), McConnell
patent: 5664765 (1997-09-01), Pickrell

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