Multi-drill mounter

Details Multi-drill mounter Multi-drill mounter

1993-10-20

1995-08-01

Melius, Terry Lee

Boring or penetrating the earth

With means to feed drive

175162, 175195, 175203, 173 28, E21B 304

Patent

active

054373417

ABSTRACT:
The multi-drill mounter allows any combination of two jack hammers, drills or augers to be simultaneously mounted on a tractor and the like. A flat back panel supports an upper and lower horizontal track. Upper and lower sliding brackets support a pair of vertical derricks. Each derrick can hold a drilling tool such as a jack hammer. In operation the active drilling tool is hydraulically pushed to the center of the derrick while the inactive drilling tool is moved to the side. The multi-drill mounter can also be tilted to allow the use of an auger for drilling wide holes.

REFERENCES:
patent: 3043382 (1962-07-01), Meredith
patent: 3246705 (1966-04-01), Chappuis
patent: 3700045 (1972-10-01), Coontz
patent: 3864793 (1975-01-01), Guest
patent: 4087010 (1978-05-01), Stormon
patent: 4199033 (1980-04-01), Van Gundy, Jr.
patent: 4809788 (1989-03-01), Nelson
patent: 4836294 (1989-06-01), Bencriscutto
patent: 4854814 (1989-08-01), Smith
patent: 4998590 (1991-03-01), Wells
McMillan Earth Drill-Advertisement, (date unknown).

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