COMPASSES Russian patent published in 1994 - IPC

Abstract RU 2009893 C1

FIELD: drawing-graphical tools. SUBSTANCE: a bush is eccentrically mounted in cantilever on a combined compasses leg by an additional hinged member. A drawing tool is fastened in the conical hole of the bush. A rotary axle of the compasses leg joint has a threaded extension with a spherical head on the end. EFFECT: improved structure. 3 dwg

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RU 2 009 893 C1

Authors

Nagajtsev V.F.

Nagajtsev P.V.

Sidorova L.A.

Dates

1994-03-30—Published

1990-12-25—Filed