Geometrical instruments – Gauge – Comparator
Patent
1991-06-20
1992-07-21
Haroian, Harry N.
Geometrical instruments
Gauge
Comparator
33562, 335551, G01B 300
Patent
active
051311585
ABSTRACT:
A gauge for validating the inner diameter and thickness of a calibrated loop. The gauge preferably has a long handle, a cylindrical member at each end of the handle and a slot at each end of the handle. The cylindrical members have slightly different outside diameters for attempted insertion into the loop to be validated and the slots have slightly different widths for attempted insertion of the loop therein. Identifying indicia are imprinted on the handle to indicate which end is which.
REFERENCES:
patent: 187938 (1877-02-01), Towsey
patent: 337224 (1886-03-01), Albert
patent: 648390 (1900-05-01), Coe
patent: 2375945 (1945-05-01), Redmer
patent: 2493233 (1950-01-01), Dower
SWALM Newsletter (1989).
Evergreen Industries Inc.
Haroian Harry N.
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