Geometrical instruments – Area integrators – Electrical
Patent
1972-04-17
1976-03-23
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
33143M, 33DIG12, G01B 502
Patent
active
039451216
ABSTRACT:
Slide calipers having gear-driven digital counter are provided with spring for applying torsional bias to the gearing so as to eliminate backlash, and consequent error in measurement.
REFERENCES:
patent: 2846769 (1958-08-01), Colont
patent: 3397590 (1968-08-01), Prentice
patent: 3477304 (1969-11-01), Young
"Antibacklash Devices and Backlash Calculation," Michalec, Machine Design, pp. 200-205, Feb., 1955.
Aegerter Richard E.
Stearns Richard R.
Uchino Yehan
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