Copying and engraving apparatus

Details Copying and engraving apparatus Copying and engraving apparatus

1981-01-09

1983-09-13

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Recording apparatus

358289, 358291, 346139D, H04N 122

Patent

active

044045980

ABSTRACT:
In an engraving machine a scanning head on the carriage is positioned adjacent a reader drum, and an opposite cutter head is positioned adjacent an engraving drum. The scanning head is movable sideways so that test runs may be conducted along the side of a plate mounted on the engraving drum. The engraving drum and the scanning drum have clamps to hold a photograph and the engraving plate. As the scanning head senses a particular shade of the photograph or article being copied, the cutting head is moved toward the engraving drum to engrave the plate on the drum to a particular degree. Both drums rotate together, and the carriage is intermittently stepped along the drums by the lead screw. Two ground parallel bars support a carriage on three Nylatron sliders, each of which has three Nylatron shoes. A lead screw operated by a DC motor is connected to the carriage by centrally mounted split half nuts.

REFERENCES:
patent: 2301024 (1942-11-01), D'Humy et al.
patent: 2925464 (1960-02-01), Raible
patent: 3262647 (1966-07-01), Harrison
patent: 3646262 (1972-02-01), Moe
patent: 3716668 (1973-02-01), Barron
patent: 3937873 (1976-02-01), Gastineau
patent: 4268869 (1981-05-01), Heyer et al.

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