Engraving apparatus

Details Engraving apparatus Engraving apparatus

1981-10-26

1985-02-19

Briggs, William R.

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

33 25B, 409 92, B23C 116

Patent

active

045002363

ABSTRACT:
An engraving spindle assembly is removably mounted on one of two links of pantograph to change the magnification of indicia to be engraved on a work piece. The spindle assembly is pivotable about the mounting means on each of said links to facilitate lefthand or righthand operation.

REFERENCES:
patent: 295853 (1884-03-01), Beam
patent: 695069 (1902-03-01), Martin
patent: 834470 (1906-10-01), Hanssen
patent: 938936 (1909-11-01), Ziegler
patent: 2674042 (1954-04-01), Ott
patent: 2762126 (1956-09-01), Shaw
patent: 3570129 (1971-03-01), Devecchio
patent: 4174572 (1979-11-01), Mikulin
patent: 4369701 (1983-01-01), Richardson et al.

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