Geometrical instruments – Area integrators – Electrical
Patent
1979-02-21
1981-03-10
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33172E, 33147E, G01B 322
Patent
active
042545536
ABSTRACT:
A parallel suspension reed type measuring device has its internal components maintained in a weightless condition by a bouyant fluid. A pair of vertical reeds and an amplification arm mechanically amplify the movement which is imparted to a measuring spindle in response to a quantity being measured. The measured quantity is magnified optically by a lens system and is projected onto a screen.
REFERENCES:
patent: 1044555 (1912-11-01), Maul
patent: 2159335 (1939-05-01), Markwick
patent: 2244964 (1941-06-01), Poock et al.
patent: 2431013 (1947-11-01), Aller
patent: 2590184 (1952-03-01), Koulomzine
patent: 2627542 (1953-02-01), Koulomzine
patent: 3462830 (1969-08-01), Sharpe
Inspection & Gauging by C. W. Kennedy Pub. Industrial Press of N.Y. pp. 268-270.
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