Photographic shutter

Details Photographic shutter Photographic shutter

1979-05-03

1981-03-17

Gonzales, John

G03B 918

Patent

active

042563976

ABSTRACT:
A shutter for a photographic instrument comprises a support on which more than two sectors are swingably mounted and a rectilineally shiftable actuating member connected to the sectors for swinging same from a position in which the sectors block an opening in the support into a position in which the opening is adapted to pass light.

REFERENCES:
patent: 520696 (1894-05-01), McCollom
patent: 549681 (1895-11-01), Packard
patent: 1881904 (1932-10-01), Owens
patent: 3526455 (1970-09-01), Barnette
patent: 4003067 (1977-01-01), Braunning

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