Overhead drill jig

Tool driving or impacting – With means engaged by part of human other than hand

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Details

173 36, 408 99, 408136, E21C 1100

Patent

active

047368047

ABSTRACT:
An adjustable drill jig for drilling holes in an overhead work surface such as a ceiling by an operator standing on the floor. The device is portable and easily moved from one work area to another by one person. It may readily be adjusted from the floor to accommodate ceilings of different heights; to vary the depth of penetration by the drill; and to control the application of power to the drill.

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patent: 4442905 (1984-04-01), Agoston

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