Pipe bending level

Details Pipe bending level Pipe bending level

1991-05-28

1992-12-01

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

With angle or shape determination

33371, G01C 900

Patent

active

051670755

ABSTRACT:
A level/protractor tool which includes two or more sections pivotally joined to facilitate angular displacement. One or more sections house level-indicating spirit vials. Angular displacement indicia marks are imprinted on each section at its juncture with an adjoining section to visually indicate the degree of angular displacement between adjacent sections.

REFERENCES:
patent: 2559961 (1951-07-01), Howell
patent: 2652628 (1953-09-01), Jensen et al.
patent: 4394799 (1983-07-01), Moree et al.
patent: 4589213 (1986-05-01), Woodward
patent: 4934706 (1990-06-01), Marshall

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