DEVICE FOR MEASUREMENT OF LINEAR MOVEMENTS Russian patent published in 1995 - IPC

FIELD: measurement technology. SUBSTANCE: device for measurement of linear movements has case, measurement rule with datum surfaces, reading head mounted for movement along rule, carriage kinematically coupled to reading head contacting datum surfaces of measurement rule and indication rule installed on carriage for interaction with measurement rule. Kinematic coupling of carriage with reading head is manufactured in the form of three spherical elements made fast to carriage and installed in vertexes of equilateral triangle. Points of crossing of its medians is matched with gravity center of carriage. EFFECT: increased accuracy of measurements, high reproducibility of results, simplified design, small reversal. 3 dwg