Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Patent
1982-03-16
1984-10-02
Briggs, William R.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
83821, 408 72B, 408 72R, 408 97, 408115B, B23B 4902
Patent
active
044745141
ABSTRACT:
A drilling jig is disclosed which not only permits the drilling of multiple holes on a flat surface or on the edges of a workpiece, but accessories are also disclosed which permit the drilling jig to be converted into a divider, a compass, inside and outside calibers, and a cutting guide for use with either a knife or a saber saw blade. The drilling jig consists of one or more elements having fixed drill guide bushings located along their lengths fastened together end to end. An element having a pair of drill guide bushings which are adjustable along the length of this element is also joined to the elements having fixed drill bushings so as to enable the jig to set any spacing along the length of the work. Adjustable guides are affixed to the sides of the drilling jig to enable its accurate placement on the edge of a workpiece. A device is also disclosed for fastening the elements together to enable their use as a rigid unit, while at the same time enabling them to be readily disconnected and stored.
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Briggs William R.
Meier Lawrence H.
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