Geometrical instruments – Area integrators – Electrical
Patent
1975-11-12
1977-02-15
Stephan, Steven L.
Geometrical instruments
Area integrators
Electrical
G01B 310
Patent
active
040075435
ABSTRACT:
For use in laying out duct or box-like structures, a gauging device having multiple sides, including appendages in predetermined positions, with rotatable connection means for attaching the gauge to a measuring tape (or it can be integral with a measuring bar), with the appendages serving to position the tape or bar so as to add various predetermined lengths to the tape or bar equivalent to material lapped or cut away in the fabrication of corner and lap joints or seams with the measuring tape or bar indicating directly in terms of the specified or finished inside dimensions of the structure. The appendages are configurated to enable measuring from points on each of several variously oriented planes.
REFERENCES:
patent: 1732906 (1929-10-01), Morton
patent: 3296702 (1967-01-01), Feddish
patent: 3406456 (1968-10-01), Schleich
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