Geometrical instruments – Gauge – Collocating
Patent
1989-02-07
1990-01-02
Haroian, Harry N.
Geometrical instruments
Gauge
Collocating
33DIG10, B25B 300, B25B 1100
Patent
active
048903914
ABSTRACT:
An alignment tool for simultaneously and accurately installing a commercial electrical box on each side of a stud, which can be made of wood or metal, has a tube mounted to a frame and stud standoff gauges mounted to the tube or the frame and a box holder assembly mounted on the tube with first and second side surfaces separated by the width of about 2 1/16 inches and having depth tabs on both the first and second side surfaces of the box holder assembly placed with respect to the stud standoff gauges to provide for an electrical box setback of about .dbd. inch from the front of the stud, which accounts for a plaster ring flange depth. A box holding spring is provided for holding commercial electrical boxes on the box holder assembly. First and second binary gauges are mounted on the tube below the box holder assembly with each binary gauge having two positions for selecting the centerline alignment for either "4-S" "5-S" commercial electrical boxes. Sockets are provided in the frame for mounting a height gauge for setting the vertical distance between a plane such as a floor or ceiling and the centerline alignment of the commercial electrical boxes.
REFERENCES:
patent: 2919913 (1960-01-01), Phair
patent: 2962281 (1960-11-01), Hodgson
patent: 2990172 (1961-06-01), Gianotta
patent: 3436070 (1969-04-01), Utley
patent: 3751026 (1973-08-01), Stickney
patent: 3875669 (1975-04-01), Hull
patent: 3954717 (1976-05-01), Tarr
patent: 4126941 (1978-11-01), Clarke
patent: 4290591 (1981-09-01), Smith
patent: 4750271 (1988-06-01), Ericksen
Haroian Harry N.
Tower Lee W.
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