Woodworking – Mortising machine having chisel – Hollow chisel and bit
Patent
1977-03-24
1978-02-21
Schran, Donald R.
Woodworking
Mortising machine having chisel
Hollow chisel and bit
1441445R, 33174G, B27F 108
Patent
active
040747360
ABSTRACT:
A milling gauge provided with slits and a guide piece for milling dovetail grooves into sheets or boards which are dovetailed together at right angles to each other. A milling cutter held by the guide piece is introduced into the slits of the gauge which is clamped with the board onto a work bench. The gauge has a body portion provided with counter guides for the guide piece. Two comb-like guide plates are formed in the body of the gauge and are oriented at right angles to each other thus giving the possibility to introduce the cutter in two different directions into the gauge body for cutting grooves in one board in its transversal direction and in another board in its longitudinal direction.
REFERENCES:
patent: 1651510 (1927-12-01), Carter
patent: 2764191 (1956-09-01), Hartmann
patent: 3109466 (1963-11-01), Jones
patent: 3223132 (1965-12-01), Erne
patent: 3800840 (1974-04-01), McCord
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