Geometrical instruments – Scriber – Curved line
Patent
1977-08-31
1979-03-27
Haroian, Harry N.
Geometrical instruments
Scriber
Curved line
B43L 1302
Patent
active
041458150
ABSTRACT:
A carriage drawing machine having a horizontal carriage driven along a horizontal slide rail support and carrying a vertical slide rail support. The vertical slide rail support and the horizontal carriage are coupled and are mutually tensioned by means of an interlocking mechanism.
REFERENCES:
patent: 3085344 (1963-04-01), Tucker
Eder Hans
Otten Heinrich
Ploger Rolf
Franz Kuhlmann KG.
Haroian Harry N.
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