Groove forming apparatus and method

Details Groove forming apparatus and method Groove forming apparatus and method

1987-06-26

1988-05-10

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

144 84, 144134D, 144353, 144136C, 409182, B27C 502

Patent

active

047428562

ABSTRACT:
A machine to cut grooves in the mitred end portions of frame members of a picture frame, so that connectors can be inserted in these grooves and join the members to form the picture frame. A base structure mounts a pair of frame members spaced from one another, and a motor with a router bit is positioned with the bit between the frame membersd, with the motor and bit being moved laterally in opposite directions to form the grooves.

REFERENCES:
patent: 722197 (1903-03-01), Schneider
patent: 1700683 (1929-01-01), Madsen
patent: 2455097 (1948-11-01), Scianna
patent: 2702569 (1955-02-01), Yelle
patent: 2864414 (1958-12-01), Mazzola
patent: 2917089 (1959-12-01), Ennis
patent: 3251388 (1966-05-01), Ennis
patent: 3604483 (1971-09-01), Nissen
patent: 3955607 (1976-05-01), Roche
patent: 4133361 (1979-01-01), Martinu
patent: 4448572 (1984-05-01), Gill
patent: 4542776 (1985-09-01), Kehoe
patent: 4561478 (1985-12-01), Fields
patent: 4593735 (1986-06-01), Wirth, Jr.

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