Shaft drilling machine

Details Shaft drilling machine Shaft drilling machine

1982-05-05

1984-11-20

Novosad, Stephen J.

Boring or penetrating the earth

With means carrying cuttings laterally of bore axis...

299 57, 299 31, 175102, 175172, E21D 106

Patent

active

044834039

ABSTRACT:
A shaft drilling machine has a circularly moving drilling head. The drilling head is angularly oriented with respect to the longitudinal axis of the shaft sought to be drilled. Loosened material is transported from the lower portion of the shaft by pickup means, moving with the drilling head, and taken to the upper portion of the angularly oriented bottom of the shaft, whereupon the loosened material or borings slide, by gravity, to a centrally located vertical conveyor mechanism for final removal of the material or borings from the shaft.

REFERENCES:
patent: 2202584 (1940-05-01), Holmes
patent: 3309142 (1967-03-01), Winberg
patent: 3379264 (1968-04-01), Cox
patent: 3475055 (1969-10-01), Snedden
patent: 3486794 (1969-12-01), Tabor
patent: 3672726 (1972-06-01), House
patent: 3965995 (1976-06-01), Sugden

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