Modular drill jig and method of making same

Details Modular drill jig and method of making same Modular drill jig and method of making same

1982-05-24

1988-12-13

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Adjustable, tool-guiding jig

408 97, 408103, 269 873, 269902, B23B 4728

Patent

active

047906952

ABSTRACT:
A modular drill jig and method of making same, characterized by parallel base, tool and bushing plates which have precision machined flat and adjacent right angle edge faces defining orthogonal reference planes and axes for aiding in fast, precision lay out of the locations of drill guide bushings and other tooling in the drill jig. The plates are removably assembled in modular fashion on common guide posts. The bushing and tool plates are movable relative to each other for clamping a part to be drilled between opposed parallel clamping faces of such plates. In the manufacture of the drill jig, the adjacent right angle edge faces on the plates enable fast and precision lay out of bores for the guide posts in the plates, such precision lay out ensuring proper vertical alignment of the plates and enabling the desired movement of the tool plate without binding thereof on the guide posts while maintaining the opposed clamping faces of the bushing and tool plates parallel.

REFERENCES:
patent: 550767 (1895-12-01), Thielscher
patent: 901249 (1908-10-01), Milne
patent: 1529557 (1925-03-01), Simon
patent: 2140762 (1938-12-01), Pecker
patent: 2315318 (1943-03-01), Deubler, Jr.
patent: 2813439 (1957-11-01), Gracon
patent: 2976748 (1961-03-01), Quick et al.
patent: 3313188 (1967-04-01), Abernethy
patent: 4005945 (1977-02-01), Gutman

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