Drill bit jig

Details Drill bit jig Drill bit jig

1982-08-18

1985-01-08

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

408 97, 408 72R, B23B 4728

Patent

active

044924984

ABSTRACT:
A jig which is for guiding a drill bit into a workpiece and which includes opposed end plates and jaw members for clamping the workpiece. A guide template is mounted between the end plates to travel in an arcuate path relative to the jaw members.

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patent: 4153384 (1979-05-01), Isaken
patent: 4199283 (1980-04-01), Perry
patent: 4331411 (1982-05-01), Kessinger

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