Blast hole drill including a slack take-up reel

Details Blast hole drill including a slack take-up reel Blast hole drill including a slack take-up reel

1998-11-10

2000-09-05

Will, Thomas B.

Boring or penetrating the earth

With above-ground means to feed tool

E21B 1908

Patent

active

061128341

ABSTRACT:
A drill comprising a frame supported for movement over the ground, a mast pivotally mounted on the frame, a drill head moveable up and down the mast, the drill head being selectively engageable with the upper end of a drill pipe so that the drill pipe is raised and lowered out of and into the ground when the drill head moves up and down the mast, an elongated flexible member, such as a power line or an air hose, extending between the frame and the drill head, and a device for taking up any slack in the elongated member as the drill head moves up and down the mast.

REFERENCES:
patent: 3181630 (1965-05-01), Coburn
patent: 3313359 (1967-04-01), Ross et al.
patent: 3766996 (1973-10-01), Moody et al.
patent: 4020909 (1977-05-01), Airaudo
patent: 4258796 (1981-03-01), Horning et al.
patent: 5709277 (1998-01-01), Geldner

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