Measuring tool especially for carpenters

Details Measuring tool especially for carpenters Measuring tool especially for carpenters

1979-06-14

1980-10-21

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33DIG10, 33180R, 33427, 33464, G01B 514, G01B 302, B25H 700

Patent

active

042285925

ABSTRACT:
The present measuring tool facilitates the work of a carpenter, especially panelling work by a direct measuring and reading of the position of cut-outs that are to be made in any type of panel, for example to accommodate utility outlets and other openings. For this purpose a runner or slider is movable along a T-square. A readout window is provided in one face of the runner to directly read the runner position from the scale marking on the T-square. The runner or slider simultaneously has a hole therethrough which forms a template, for example, for standard electrical outlet boxes. Thus, the carpenter may directly work on the panel a hole to be cut into the panel without even memorizing the measurements. A set screw or the like may be used to lock the runner on the leg of the T-square once the runner or slider has been properly positioned on the T-square leg whereby the locked position of the runner acts as a memory for the reading.

REFERENCES:
patent: D230628 (1974-03-01), Sunley
patent: 1115333 (1914-10-01), Pease
patent: 1612455 (1926-12-01), McGeorge
patent: 2432300 (1947-12-01), Ellis
patent: 2540032 (1951-01-01), Johnson et al.
patent: 2909843 (1959-10-01), Bechtel
patent: 3103747 (1963-09-01), La Sierra
patent: 3389474 (1968-06-01), Linn
patent: 3672064 (1972-06-01), Elkins
patent: 3678588 (1972-07-01), Isola
patent: 3842510 (1974-10-01), Elliott

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