Bierman, Muserlian and Lucas
Apparatus for preventing opening of a single-use camera until the light shield is closed
 A single-use camera which is loaded with a film cartridge having a light-shielding cover on a film gate thereof. The single-use camera includes: a cover for covering the film cartridge when the cover is at its closed position, a closing member for closing the light-shielding cover of the film cartridge, a stopper for keeping the cover member at the closed position, and a stopper release for releasing the stopper so as to allow the cover to be open while the light-shielding cover is being closed by the closing member. 
Konica Corporation
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Hitoshi Tetsufumi Osamu Shuri Masaru Masami
Ohkubo Takaba Shibazaki Mizoguchi Yamazaki Fujita