Geometrical instruments – Straightedge type – Base attached
Patent
1984-03-01
1985-07-09
Haroian, Harry N.
Geometrical instruments
Straightedge type
Base attached
33438, B43L 1302
Patent
active
045273405
ABSTRACT:
A holding and guiding device for lettering and drafting instruments adapted to be mounted on a traveling-carriage drafting machine. An additional slide rail is disposed in parallel to the vertical slide rail, with the additional slide rail carrying a slidable carriage. A flat instrument holder is provided with a pivotally mounted head, with the flat instrument holder being disposed below the additional slide rail and extending under the vertical slide rail.
REFERENCES:
patent: 1672751 (1928-06-01), Conti
patent: 3727317 (1973-04-01), Gornowitz
patent: 4070758 (1978-01-01), Watanabe
Albert Nestler GmbH
Haroian Harry N.
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