STEERING HEAD

摘要

A steering head for use with a casing, the steering head having a generally cylindrical body with a first body end with a lead edge, a second body end with a rear edge, and a body surface extending from the lead edge to the rear edge, an outer tube with an internal side generally facing the body surface, the outer tube extending from the first body end to the second body end, and a steering flap disposed on an external side of the outer tube having a first flap face facing radially inwardly and a second flap face facing radially outwardly. A biased hinge is secured to both the outer tube and the steering flap, the biased hinge being operative to retract the steering flap into a retracted position from an extending position.

主权项

1. A steering head for use with a casing, the steering head comprising:
a generally cylindrical bore channel extending along a longitudinal center axis of the steering head from a front end to a rear end of the steering head; an outer tube extending from the front end to the rear end of the steering head, the outer tube being concentric with the bore channel; a steering flap disposed on the outer tube, the steering flap being pivotable between an extended position and a retracted position; and a first light fixture disposed proximate the rear end of the steering head so that the first light fixture is usable to illuminate a cutting path of the steering head through soil.