Dowelling jig

Details Dowelling jig Dowelling jig

1989-01-26

1989-12-05

Bishop, Steven C.

Cutting by use of rotating axially moving tool

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

Adjustable, tool-guiding jig

269154, 408 72R, 408108, B23B 4900

Patent

active

048849260

ABSTRACT:
A dowelling jig having provision for simultaneously clamping workpieces in which dowels are to be inserted, wherein the jig comprises a pair of movable clamping elements, movable toward and from a stationary element, and arranged for uniform movement in that manner by a screw member which causes the clamping action to be effected simultaneously with each of at least two workpieces, the elements being connected by links which in turn provide for drilling in guides at the ends thereof, the drill guides being movable on axes which are maintained in alignment by the linkage arrangement thereof, the links causing parallel, simultaneous movement of the drill guide means whereby the drilling for dowels is uniformly spaced in each workpiece.

REFERENCES:
patent: 2470038 (1949-05-01), Long
patent: 2783665 (1957-03-01), Saunders
patent: 3062076 (1962-11-01), Craig
patent: 3674376 (1972-07-01), Silken
patent: 3807889 (1974-04-01), Kiezel
patent: 4421442 (1983-12-01), Lindblad
patent: 4669926 (1987-06-01), Wilcox, Jr.
patent: 4730959 (1988-03-01), Aerni et al.

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