Tool driving or impacting – With vehicle support for drive – Drive structure moved to nonuse position for transport
Patent
1978-09-15
1983-02-01
Mackey, Robert
Tool driving or impacting
With vehicle support for drive
Drive structure moved to nonuse position for transport
173147, 175 85, E21B 702, E21C 1102
Patent
active
043710417
ABSTRACT:
A drill rig for drilling a hole in the ground including a mast, having a longitudinal slide means at one face thereof, adapted to be set upright with the slide means facing, and being at a selected spacing from and parallel to the axis of a drill hole to be drilled with the rig; a slide frame mounted upon the mast slide means and lifter-pulldown means in the mast to move the slide frame along the longitudinal slide means; a lateral shifting means on the slide frame shiftable towards and away from the slide frame in the direction of the drill hole; a drill carrier attached to the shifting means to be shifted to a first position against the slide frame and to a second position outwardly therefrom; and a drill mechanism means including a drill pipe means mounted upon the drill carrier to effect drilling by a drill pipe means, with the drill pipe means being aligned with the drill hole axis when the drill carrier is at one of said positions.
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Becker Floyd W.
Regimbal Richard R.
Drill Systems Inc.
Mackey Robert
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