Drafting machine

Details Drafting machine Drafting machine

1974-12-23

1977-03-08

Haroian, Harry N.

Geometrical instruments

Scriber

Curved line

B43L 1304

Patent

active

040105474

ABSTRACT:
A drafting machine is provided including a drafting frame, a continuous guide groove on the surface of the frame along each side thereof, spaced slide elements disposed in the groove and at least one drawing instrument pivotally connected to the slide element. Alternatively, a single slide element may be disposed in the groove with spaced bearing elements in engagement with an outer wall of the groove. The slide element or elements are connected to the drawing instrument through an elongated slot thereof so that the drawing instrument may be displaced longitudinally of and transversely to the guide groove.

REFERENCES:
patent: 970625 (1910-09-01), Krajicek
patent: 1882354 (1932-10-01), Celenza
patent: 3102340 (1963-09-01), Rackleff

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