Woodworking – Process – Mechanical cutting or shaping
Patent
1995-02-28
1997-05-20
Bray, W. Donald
Woodworking
Process
Mechanical cutting or shaping
33565, 144 21, 1441341, 14413695, 1441441, 1442865, 144371, 409125, 409130, 409178, B27C 500
Patent
active
056304552
ABSTRACT:
The present invention relates to a machine for forming grooves of uniform configuration in a face surface of a one-piece frame such that the adjacent grooves meet at inside corners to define miter lines. This machine comprises a support means adapted to securely support a side of the frame under a predetermined angle with relation to the horizontal plane, a cutter assembly having a cutter means, a first guiding means adapted to guide the cutter means along the respective miter line in order to cut the inside corner and the miter line, and a second guiding means adapted to guide the cutter means along the side of the frame to cut a side groove portion extending between the opposite miter lines on the side of the panel. The frame is extended from the support means outwardly upwardly, and the first guiding means further comprises a stop means adapted to restrict the movement of the cutter means beyond the area designated for formation of the respective inside corner defined by the corresponding miter lines. The cutter means are adapted to cut the groove in the frame of any desired profile, and the support means are adapted to support the frame under any predetermined angle.
REFERENCES:
patent: 3130760 (1964-04-01), Juneman
patent: 3301287 (1967-01-01), Edwards
patent: 4230164 (1980-10-01), Mericle
patent: 4932450 (1990-06-01), Baker
patent: 5123466 (1992-06-01), Ellsworth
Bray W. Donald
Shvartsman Mila
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