Copying machine with an optic reading device

Gear cutting – milling – or planing – Milling – With regulation of operation by templet – card – or other...

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Details

409104, 409118, 409128, B23Q 3510, B23Q 35128, B23Q 3540

Patent

active

043147810

ABSTRACT:
Copying machine with optical reading device comprising three optical reading heads the respective luminous beams of which follow three curves moving in synchronism and which control the displacements in directions which are different from each other of a working unit, each reading head controlling the displacements of the said unit in a proper direction.

REFERENCES:
patent: 2336376 (1943-12-01), Tandler et al.
patent: 2895386 (1959-07-01), Mann
patent: 3528337 (1970-09-01), Dulebohn
patent: 3598018 (1971-08-01), Varga
patent: 3886847 (1975-06-01), Kuhlmann

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