Dowelling jig

Details Dowelling jig Dowelling jig

1983-02-14

1985-06-11

Briggs, William R.

Cutting by use of rotating axially moving tool

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

408 97, 408115R, B23B 4902

Patent

active

045225397

ABSTRACT:
A dowelling jig (1) comprises a through-hole (5) for guiding a drill (18), abutments (12, 12) and cantilever springs (13, 13) for clipping the jig to one edge (10) of boarding (11) for drilling dowel-holes (2, 2, 2) in the edge, and a peg (9) for insertion in each dowel-hole (2) in turn for drilling the corresponding dowel-hole (3, 3, 3) in a face (14) of a second piece of boarding (15). The through-hole (5) extends between parallel faces (6) to which face (7) is perpendicular. Through-hole (5) axis is perpendicular to faces (6) and (19) while peg (9) is perpendicular to face (7). Abutments (12, 12) align face (19) of boarding (11) with face (7) for drilling of holes (2, 2).

REFERENCES:
patent: 2167082 (1939-07-01), Morris
patent: 2466023 (1949-04-01), Griffin
patent: 2740308 (1956-04-01), Blanchard
patent: 2798520 (1957-07-01), Maskulka et al.
patent: 2838966 (1958-06-01), Campbell
patent: 3674376 (1972-07-01), Silken
patent: 4153384 (1979-05-01), Isaken
patent: 4176989 (1979-12-01), Wolff
patent: 4294567 (1981-10-01), Wiggins

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