Device for preventing fogging of film within a camera back

Details Device for preventing fogging of film within a camera back Device for preventing fogging of film within a camera back

1975-10-02

1977-04-12

Hix, L. T.

354281, G03B 1726

Patent

active

040178773

ABSTRACT:
A pivotable camera back is provided containing a film cartridge having a movable light sealing member for preventing light from entering the cartridge when the camera back housing is pivoted to an open position for access thereto, together with a sealing member actuation device for causing the light sealing member to open with respect to the cartridge feed orifice to permit photosensitive material to be fed to the imaging area upon the closing of the camera back housing.

REFERENCES:
patent: 1527476 (1925-02-01), Gianetto
patent: 2223525 (1940-12-01), Miller
patent: 2505661 (1950-04-01), Briskin et al.
patent: 3748984 (1973-07-01), Gold
patent: 3886570 (1975-05-01), Asano et al.

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