Steering and lubricating apparatus for portable earth boring mac

Details Steering and lubricating apparatus for portable earth boring mac Steering and lubricating apparatus for portable earth boring mac

1989-09-22

1990-12-18

Neuder, William P.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 73, 175122, 173154, E21C 110

Patent

active

049779672

ABSTRACT:
A combined steering and lubricating apparatus for use with earth boring apparatus includes a casing extension pivotally attached to one end of a casing section and controlled by an elongate tube which is movable along an axis parallel to the axis of the casing to pivot the casing extension. The invention includes a first connector for connecting one end of the tube to the casing extension and a second connector assembly connected to the other end of the tube for moving the tube and pivoting the casing extension and for providing lubricating fluid to the tube and first connector for deposit on the exterior of the casing.

REFERENCES:
patent: 3612195 (1971-10-01), Richmond
patent: 3693734 (1972-09-01), Richmond
patent: 3851716 (1974-12-01), Barnes
patent: 3870110 (1975-03-01), Richmond
patent: 4013134 (1977-03-01), Richmond et al.
patent: 4329887 (1982-05-01), Kawamoto

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