Negative carrier assembly for omega enlargers

Details Negative carrier assembly for omega enlargers Negative carrier assembly for omega enlargers

1987-02-19

1989-12-12

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

G03B 2762

Patent

active

048871273

ABSTRACT:
Several improvements to Omega negative carrier assemblys baffle the optical light path against light leaks.
These improvements collectively gather together to form a system that continually assures the alignment of the condenser assembly and its lifting apparatus. This system will allow serviceable alignment of the lifting apparatus when necessary.
This negative carrier assembly will be completely manufactured by computerized machine tool methods.

REFERENCES:
patent: 2236303 (1941-03-01), Skinner et al.
patent: 2294585 (1942-09-01), Thompson
patent: 2390065 (1945-12-01), Gelb
patent: 2455142 (1948-11-01), Simmon et al.
patent: 3734615 (1973-05-01), Wally, Jr.
patent: 4334768 (1982-06-01), Parik

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