Mini-drafting machine

Details Mini-drafting machine Mini-drafting machine

1995-08-24

1997-05-13

Will, Thomas B.

Geometrical instruments

Straightedge type

With means for moving straightedge over a surface

33 2703, 33471, 33565, B43L 1302

Patent

active

056281188

ABSTRACT:
A mini-drafting machine that is structured so that it can be guided horizontally and vertically along a flat surface, such as a piece of paper. Horizontal, vertical and diagonal lines, as well as different sized arcs and circles, can be drawn upon the flat surface. Different sized geometric shapes can also be made upon the flat surface with built-in templates. The lengths of the vertical, horizontal and diagonal lines can be measured, while the angle of the diagonal lines can be determined.

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patent: 5426859 (1995-06-01), Concari et al.
patent: 5433012 (1995-07-01), Liu

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