Underground pipe installing device

Details Underground pipe installing device Underground pipe installing device

1978-10-16

1981-11-10

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Tie rod tensioner

E21B 900

Patent

active

042993750

ABSTRACT:
An underground pipe installing device comprising a T-shaped frame for positioning in a T-shaped operating trench in the ground, and which is located relative to a target trench in alignment with the intended pipe installation. The frame is suspended in the trench by a plurality of chains, and a hydraulic piston and cylinder assembly is pivotally carried by said frame. A clutch yoke carried on the extended end of the piston is adapted for selective engagement and disengagement with a push rod, employed to form a hole for the pipe. An elongated clutch operating handle and conduits from the cylinder to a hydraulic control valve extend upwardly above the ground level to provide for easy manual control of the device.

REFERENCES:
patent: 3726506 (1973-04-01), Vanderwool et al.
patent: 3834668 (1974-09-01), Casey

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