Four way utility level

Details Four way utility level Four way utility level

1982-08-19

1984-09-18

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33387, G01C 928

Patent

active

044715358

ABSTRACT:
An improved four way utility level, including a flat plate having a protractor engraved on one side, and a leveling unit mounted thereupon that includes a rotatable bubble assembly toothed to a gear which is toothed to a gear formed on a pivotable handle.

REFERENCES:
patent: 592537 (1897-10-01), Carriere
patent: 1215035 (1917-02-01), Kocisko
patent: 2527961 (1950-10-01), Rantz
patent: 2692440 (1954-10-01), Walters
patent: 4320581 (1982-03-01), Ousterhout

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