Ellipsograph

Details Ellipsograph Ellipsograph

1976-04-12

1977-09-20

Aegerter, Richard E.

Geometrical instruments

Scriber

Curved line

33 30R, B43L 1104

Patent

active

040487245

ABSTRACT:
An ellipsograph characterized by a pair of rectilinearly slideable members disposed in 90.degree. crossing relationship and adjustable radii crankpins for moving same, forming a pair of Scotch yokes, and a stylus carrying member slideably engaging both members in the locus of their crossing, adapted to resolve the rectilinear movements of the members into elliptical movement.

REFERENCES:
patent: 2477203 (1949-07-01), Rabinowitz
patent: 2992485 (1961-07-01), Karlsberg
patent: 3422538 (1969-01-01), Panissidi

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