Geometrical instruments – Indicator of direction of force traversing natural media – With angle or shape determination
Patent
1981-08-31
1983-07-26
Stearns, Richard R.
Geometrical instruments
Indicator of direction of force traversing natural media
With angle or shape determination
33351, 33371, G01C 900
Patent
active
043947999
ABSTRACT:
A conduit bending plane indicator comprising a base, a clamp for affixing the indicator to conduit to be bent, bubble level indicators to provide an indication that a bend in the conduit is coplanar with reference planes, and an angle indicator to provide an indication of the angle of bend of the conduit. The bubble levels are mounted at opposite ends of the base member orthogonally oriented to one another to insure level placement of the conduit in a conduit bending device. The angle indicator is pivotable and attachable to either side of the apparatus to facilitate ease of reading.
REFERENCES:
patent: 964066 (1910-07-01), Sprenkle
patent: 1377720 (1921-05-01), Neff
patent: 2022452 (1935-11-01), Aegerter
patent: 2079070 (1937-05-01), Johnston
patent: 2535791 (1950-12-01), Fluke
patent: 2601643 (1952-06-01), Sulger
patent: 2624954 (1953-01-01), Watkins
patent: 2824381 (1958-02-01), Traupmann
patent: 3060587 (1962-10-01), Picken
patent: 3707772 (1973-01-01), Cotter
patent: 4274208 (1981-06-01), Yakkel
Moree Elwood D.
Snowden Dennis C.
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