Apparatus and method for patterning geometric objects

Details Apparatus and method for patterning geometric objects Apparatus and method for patterning geometric objects

1979-11-29

1981-06-30

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 520

Patent

active

042755069

ABSTRACT:
A planar pattern making device that fits around a patterned object retaining an indication of the patterned object's surface within the plane of the pattern making device. A pair of opposed symmetric hinged arms are sized so that when closed around the object, they roughly fit the object to be patterned. A plurality of pins reciprocate inwardly from both arms to contact the surface of the object to be patterned. According to the method of the invention, the pattern making device is then latched and the pins are reciprocated to contact the surface of the object to be patterned in a predetermined plane. The arms are released, retaining the indication of the patterned object's contour through the pins. Relatching of the arms in a set position on a planar surface from which the pattern is to be cut, allows a user to trace around the innermost position of all pins and thereby draw a pattern that when cut out will follow the contour of the patterned object at the level and in the plane in which the pattern was made.

REFERENCES:
patent: 365873 (1887-07-01), Spence et al.
patent: 1012372 (1911-12-01), Landenberger
patent: 1465646 (1923-08-01), Lough

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