Geometrical instruments – Area integrators – Electrical
Patent
1986-02-03
1987-08-11
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
G01B 308
Patent
active
046852158
ABSTRACT:
An extensible measuring tool for measuring lengths of lumber to be cut is provided and consists of two sliding bar members, a bracket for guiding the two sliding bar members together, a clamping screw assembly, a clamping screw assembly for locking the two sliding bar members together and a hook member mounted to distal end of one of the sliding bar members so that the hook member can be placed on one end of the lumber to be cut.
REFERENCES:
patent: 144264 (1873-11-01), Discher
patent: 224401 (1880-02-01), Derickson
patent: 1031517 (1912-07-01), Boyce
patent: 1050733 (1913-01-01), Greathead
patent: 1272976 (1918-07-01), McLucas
Spector George
Wood George N.
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