Length and angle gauge

Details Length and angle gauge Length and angle gauge

1980-10-20

1982-05-11

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33461, G01B 308, G01B 356

Patent

active

043286194

ABSTRACT:
A length and angle gauge including first and second longitudinally aligned and slidably engaging ruler sections; means for releasably securing the sections; each section having an inner end and an outer end, one of the sections bearing a length scale starting at the outer end and ascending toward the inner end, the other section bearing a continuation of the length scale with the scale value for the minimum retracted length of the gauge starting at the outer end and ascending toward the inner end; a rotatable arm located at the outer end of each section and having a slanted surface; means for rotatably mounting the arm to the outer end; means for releasably securing the arm to the outer end; and retraction means for enabling the arm to be withdrawn within the outer end.

REFERENCES:
patent: 648576 (1900-05-01), Taylor
patent: 847720 (1907-03-01), Barbo
patent: 1253096 (1918-01-01), Preston
patent: 1324624 (1919-12-01), Seay
patent: 1336102 (1920-04-01), Smith
patent: 1341435 (1920-05-01), Olsen
patent: 2952076 (1960-09-01), Gross
patent: 3190008 (1965-06-01), Weiss
patent: 3492737 (1970-02-01), Swanson

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