Light shielding apparatus

Details Light shielding apparatus Light shielding apparatus

1997-02-12

1998-07-21

Gray, David M.

Photography

Camera detail

Film restraining means or pressure plate

396535, 396538, G03B 1700

Patent

active

RE0358568

ABSTRACT:
A camera is provided having a film roll chamber for holding an unexposed roll of film, an exposure chamber into which ambient light enters through a taking lens to impinge on the film, and a light blocking member for preventing light entering through the taking lens from entering the film roll chamber. According to the invention, the light blocking member includes a stepped piece having a first step sufficiently raised to prevent light from entering the film roll chamber and a second step raised above the first step for supporting edges of the film In a preferred embodiment, the light shielding member supports the emulsion side of the film.

REFERENCES:
patent: 5268713 (1993-12-01), Kataoka
patent: 5311231 (1994-05-01), Suzuki et al.

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