Disc slide rule

• Main Author: CHEN LIUFENG
• Format: Patent
• Language: Chinese; English
• Published: 08.12.2017
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model relates to a measuring tool technology field, but specifically the disc slide rule who relates to a convenient to use, simple structure, the improvement computational efficiency rapid calculation triangle length of side and point coordinates, including circular shape dial plate, big pointer and little pointer, big pointer and little finger of toe needle one end linkable articulate in the dial plate center rotatoryly, the dial plate circumference to outer toward interior still respectively the mark have distance marker line, sinusoidal mil line, cosine mil line, tangent mil line, sinusoidal mil line, cosine mil line, tangent mil line all are divided into 6000 with circumference etc. And every equal portions mark be 1 mil, and pointer and little finger of toe needle are big pointer of transparent and the little pointer of transparent respectively greatly, be equipped with big pointer line and little finger of toe needle and line above big pointer and the little finger of toe needle respectivel