Measuring device for a figure

Details Measuring device for a figure Measuring device for a figure

1985-04-17

1986-10-14

Little, Willis

Geometrical instruments

Area integrators

Planimeters

33121, 33124, 33141R, G01B 526

Patent

active

046164197

ABSTRACT:
A measuring device to measure a figure in which a measuring lever is pivotally attached to a carriage supported on a pair of wheels for reciprocal movement. A locking device pivotally mounted on the carriage prevents movement of the measuring lever. Release of the locking device resets data processing counters in the carriage to zero in preparation for a measurement. Measurements are performed by tracing a figure with a tracing device on an outboard end of said measuring lever which sends signals through a computer processor to a counter. A switch on the outboard end of the measuring lever allows measurements to be held.

REFERENCES:
patent: 2993278 (1961-07-01), Lory
patent: 3121956 (1964-02-01), Philbin
patent: 4246703 (1981-01-01), Robinet
patent: 4253239 (1981-03-01), Houck
patent: 4383301 (1983-05-01), Morita et al.
patent: 4528754 (1985-07-01), Houldsworth
Aristo catalog, "Planimeters, Integrators, Pantographs" pp. 102-108, Mar. 10, 1959.

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