Adjustable plumb level

Details Adjustable plumb level Adjustable plumb level

1992-04-01

1993-01-12

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

G01C 928

Patent

active

051778734

ABSTRACT:
An adjustable plumb level having a first gear driven by a second gear. The second gear has a smaller external diameter than does said first gear. The second gear is operatively coupled to first gear so that when an external force causes the second gear to rotate, the first gear also rotates. The first gear includes a straight vial disposed in the center thereof.

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patent: 4335524 (1982-06-01), Schimming
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