Multidirectional photographic compound stage

Details Multidirectional photographic compound stage Multidirectional photographic compound stage

1980-08-04

1981-08-25

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Step and repeat

G03B 2742

Patent

active

042855926

ABSTRACT:
A multidirectional photographic compound stage having a base including a circular opening, a first carriage having rollers engaging the wall of the opening for rotary motion of the carriage, a second carriage having rollers for engaging parallel tracks on the first carriage for movement of the second carriage in one direction, a third carriage having rollers engaging parallel tracks on the second carriage for movement of the third carriage in a direction ninety degrees to the second carriage and a light transmitting operating surface carried by the third carriage.

REFERENCES:
patent: 2459552 (1949-01-01), Stoner et al.
patent: 2601804 (1952-07-01), Nineberg
patent: 2605675 (1952-08-01), Mourfield
patent: 3495519 (1970-02-01), Alfsen et al.
patent: 3497705 (1970-02-01), Adler
patent: 3566763 (1971-03-01), Knopf

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