Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent
1991-07-10
1993-07-13
Bagnell, David J.
Boring or penetrating the earth
Processes
Boring curved or redirected bores
173147, 173192, 175162, 175393, E21C 506, E21B 702
Patent
active
052264882
ABSTRACT:
A truck mounted boring system providing a high degree of radial and longitudinal freedom. The system provides a method of quickly setting up a boring system used for directional drilling of underground cabling bore holes. A hydraulic system providing power to the boring system is run by a power take off of a truck. The truck is used to position the boring system. The boring system employs a rotatably mounted hydraulic actuator which radially and axially changes the orientation of the drilling system. The drill bit is driven into a boring hole using a linear chain drive. The chain drive is mounted on a boring platform that can achieve motion relative to the truck or drive the drill toward the bore hole in response to a restraining bar.
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Lessard Willie J.
Tjader Michael H.
Wilcox Brian B.
Bagnell David J.
bor-mor Inc.
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