Layout tool for locating holes on structural steel

Details Layout tool for locating holes on structural steel Layout tool for locating holes on structural steel

1979-06-06

1980-10-21

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33429, 33138, 33481, B23B 4902, G01B 514

Patent

active

042285941

ABSTRACT:
A layout tool is movable along a structural beam or girder and includes measuring scales adapted to facilitate accurate location of holes to be formed at selected places on the beam. The tool is adapted for manual use at the construction site.

REFERENCES:
patent: 1046187 (1912-12-01), Herlund
patent: 1382271 (1921-06-01), Cunningham
patent: 1725476 (1929-08-01), Poppock
patent: 1826807 (1931-10-01), McDanel
patent: 3731390 (1973-05-01), Sloan

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