Tool driving or impacting – With vehicle support for drive
Patent
1998-08-31
2000-07-04
Smith, Scott A.
Tool driving or impacting
With vehicle support for drive
173 28, 173 44, 173189, 173190, 173193, E21B 702
Patent
active
060824697
ABSTRACT:
A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to a second vertical orientation, and the raising or lowering of the frame is powered by hydraulic cylinders. Positioned on the frame are a plurality of parallel mounted spaced drilling machines, each of which is positioned for drilling a hole perpendicular to the longitudinal axis of the vehicle. Each of the drilling machines is mounted on a drive assembly for moving the machine axially to thereby force a drill bit in the machine to drill a hole. The frame is also laterally adjustable in a horizontal direction perpendicular to the longitudinal axis of the tractor and the lateral adjustment is also hydraulically powered. In a second embodiment, the invention further includes a longitudinal adjustment for moving the frame forward or backward parallel to the longitudinal axis of the tractor.
REFERENCES:
patent: 3447613 (1969-06-01), Lisenby
patent: 4225186 (1980-09-01), Stratton
patent: 4589499 (1986-05-01), Behrens et al.
patent: 4813499 (1989-03-01), McNulty
patent: 4858700 (1989-08-01), Shafer
patent: 4890680 (1990-01-01), Porsfeld
patent: 4915180 (1990-04-01), Schisler
Marsh Robert L.
Smith Scott A.
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