Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance
Patent
1992-02-05
1993-04-06
Watts, Douglas D.
Tool driving or impacting
Advance causing or controlling means
Driven flexible member causes advance
E21C 506
Patent
active
051995077
ABSTRACT:
A manually portable drilling system for the purpose of drilling earth bore holes. The drilling system will accommodate a lightweight drill pipe for air or mud rotary drilling, auger, or with use of air hammer percussion tools. The drilling system includes a self-contained mast which is detachable from a support base table. The mast contains an internal traveling shuttle to which a power unit is attached. The shuttle is manually driven by a conventional two speed, reversible hand winch modified to allow both hoisting and pull down capabilities. A partially hollow, perforated quill is coupled to an output drive of the power unit and drill pipe. This drilling system may be set up or broken down in minutes and carried to areas inaccessible by conventional portable drilling machines.
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Fick C. Milton
Smith Scott A.
Watts Douglas D.
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