Leveling tool

Details Leveling tool Leveling tool

1985-12-26

1987-03-10

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33485, G01B 514, G01C 926

Patent

active

046481850

ABSTRACT:
A leveling tool for accurately marking a pair of points on a horizontal or vertical line, for example for use in hanging pictures or shelves, has an elongate bar provided with a fixed tab member, a longitudinally movable second tab member and bubble gauges set parallel with and at right angles to the length of the bar. The fixed tab member is used as a pivot placed on one of the points, and the tool is swung around the pivot until one or other of the bubble gauges is level. The second tab member is then used to mark the second point.

REFERENCES:
patent: 2592877 (1952-04-01), Ellington
patent: 3068580 (1962-12-01), Orthwin
patent: 3173214 (1965-03-01), Daller
patent: 3402474 (1968-09-01), Janeiro
patent: 4241510 (1980-12-01), Radecki

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