Engraving machine

Details Engraving machine Engraving machine

1982-07-07

1984-07-24

Stearns, Richard R.

Geometrical instruments

Scriber

Pantographic

33 25D, B41F 107, B43L 1310

Patent

active

044610823

ABSTRACT:
The frame of an engraving machine supports a slide for movement in a first horizontal direction. A pantograph is pivoted to the slide for movement about a vertical axis. A tool holder is supported by the pantograph. The tool holder is prevented from pivoting so that inscribed lines will have different widths.

REFERENCES:
patent: 2729892 (1956-01-01), Gruettner
patent: 3110966 (1963-11-01), Hillig
patent: 3584535 (1971-06-01), Rossberger
patent: 4369701 (1983-01-01), Richardson et al.
The Engravers Journal, May/Jun. 1981, pp. 8, 32-38.
Richardson's Operating Manual and parts list, 5 pages.

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