Mounted drilling apparatus

Details Mounted drilling apparatus Mounted drilling apparatus

1980-07-24

1982-07-20

Novosad, Stephen J.

Boring or penetrating the earth

Means carried by housing insertable in inaccessible hole to...

173 23, 173 32, 173147, 173160, 175 62, 175122, 175203, E21C 110, E21C 1100, E21C 2720, E21C 3102

Patent

active

043401228

ABSTRACT:
The drilling apparatus includes a mount in the form of a cylindrical member defining an elongated passageway and being provided with two opposite guiding rails each being formed with an elongated recessed channel communicating with the passageway; a rotary drive for holding a drill rod has a non-rotating casing provided with guiding elements movable in the recesses of the guiding rails; a feeding mechanism for advancing the rotary drive includes either tooth racks arranged in the recesses of the guiding rails and driving pinions mounted on the casing of the rotary drive or cylinder and piston units located in the recesses of the guide rails and cooperating with feed cables or chains. The mount is supported on a mobile undercarriage which is provided with two pairs of vertically adjustable supporting legs.

REFERENCES:
patent: 2102706 (1937-12-01), Hirschberg
patent: 2719708 (1955-10-01), Compton
patent: 2732181 (1956-01-01), Farmer, Jr.
patent: 2887299 (1959-05-01), Hurd
patent: 3118509 (1964-01-01), Adams et al.
patent: 3288229 (1966-11-01), Chappius
patent: 3613804 (1971-10-01), Jonsson
patent: 3834761 (1974-09-01), Ray et al.
patent: 3949815 (1976-04-01), Bryant, Jr. et al.

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