Wall marking layout device

Details Wall marking layout device Wall marking layout device

1990-04-30

1991-06-11

Haroian, Harry N.

Geometrical instruments

Straightedge type

Cord type

33 1LE, 33414, B44D 338, B43L 700

Patent

active

050221582

ABSTRACT:
A layout tool includes an elongate rectangular shaped body having opposed upper and lower surfaces, opposed end surfaces and opposed front and rear surfaces. The layout tool is formed of a dense material and has a U-shaped handle detachably secured thereto and projecting upwardly therefrom. Anchoring pins are adjustably secured to the body to permit vertical adjustment thereof. Positioning grooves on the front, end and lower surfaces of the body to permit positioning of the chalk line during the layout operation.

REFERENCES:
patent: 3122836 (1964-03-01), Aciego
patent: 3145477 (1964-08-01), Morrison
patent: 3662471 (1972-05-01), Lynde

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