Method and means for threading dowels

Details Method and means for threading dowels Method and means for threading dowels

1980-03-19

1981-09-08

Bray, W. D.

Woodworking

With use of control means energized in response to activator...

To control different operating assemblages

144 2R, 144136C, 409 76, 409172, B23G 100

Patent

active

042876273

ABSTRACT:
A dowel threading device comprised of a conventional router having a horizontal base, a power means on the base, and a vertically disposed cutting bit extending downwardly and outwardly from the base. A dowel threading attachment is secured underneath the base and has a vertically disposed bore adapted to receive the lower end of the cutting bit. A horizontal bore extends through said base member and is in communication with the vertically disposed bore. The horizontal bore is threaded at one side of the vertically disposed bore. The method of this invention comprises inserting a dowel into the end of the unthreaded horizontal bore, rotating the dowel about its horizontal axis as the dowel moves into contact with the rotating cutting bit, and engaging the threaded end of the dowel with the threaded portion of the horizontal bore so that the further longitudinal movement of the dowel through the bore will be controlled by the engagement of the dowel with the threaded portion of the horizontal bore.

REFERENCES:
patent: 167988 (1875-09-01), Chamberlin et al.
patent: 3946774 (1976-03-01), McCord, Jr.

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