Steerable burrowing mole

Details Steerable burrowing mole Steerable burrowing mole

1992-03-16

1993-10-26

Neuder, William P.

Boring or penetrating the earth

Automatic control

Of boring means including a below-ground drive prime mover

175 73, E21B 708

Patent

active

052557499

ABSTRACT:
A steerable burrowing mole including a forward steering unit with an axial main portion, adjustable fins, and apparatus to adjust the fins between first and second angular orientations, the first for inducing mole rotation and the second for inducing movement toward a first radial direction. The earth-penetrating tip is preferably beveled surface to provide maximum turning force toward the first radial direction. One of the fins is in an orientation for inducing slight corrective reverse rotation. An adaptor for converting a basic burrowing mole into a steerable mole as described.

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