Apparatus and method for cutting access openings for electrical

Details Apparatus and method for cutting access openings for electrical Apparatus and method for cutting access openings for electrical

1978-10-31

1980-05-13

Spruill, Robert Louis

Woodworking

Process

33DIG10, 33180R, 144144R, 1441445R, 409178, B27C 100, G01B 514

Patent

active

042023882

ABSTRACT:
The invention disclosed includes locator pins for positioning in the cover plate mounting holes of an electrical outlet or switch box to pierce a wall or ceiling covering panel when positioned over the box. A cutter spacer is placed in a predetermined position relative to the locator pins and attached to the panel. A cutter locator ring is positioned over the cutter spacer and a cutter guide is positioned over the locator ring and attached to the panel. The cutter guide locator ring is then removed to allow a cutter to be positioned between the cutter spacer and the cutter guide to make a cut around the inside of the cutter guide. As the cut is being made, the cutter is guided by the inside surface of the cutter guide while the cutter is held by the cutter spacer to limit the depth of cut of the cutter and to prevent the cutter from moving inwardly with the panel after the access opening has been cut in the panel.

REFERENCES:
patent: 2775812 (1957-01-01), Mohr
patent: 2788151 (1957-04-01), Shore
patent: 3884280 (1975-05-01), Chailer
patent: 3888013 (1975-06-01), Benoit

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