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Portable drilling system
   
Document Number
US Patent 5199507
Issued Date
April 6, 1993
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Inventors
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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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Portable drilling system - US Patent 5199507 Drawing
Drawing from US Patent 5199507
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Number of Claims:
2
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Owner
Published
April 6, 1993
Application Number
07/831,773
Filed
February 5, 1992
US Classification
173/147  
Int'l Classification
E21B   19/084   (20060101)   E21B   19/00   (20060101)  
Assistant Examiner
Attorney/Law Firm
USPTO Field of Search
173/18   173/28   173/58   173/147  
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Description
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