One-time-use camera can only be used with modified film cartridg

Details One-time-use camera can only be used with modified film cartridg One-time-use camera can only be used with modified film cartridg

1997-05-22

1999-04-20

Gray, David M.

Photography

Disposable or recyclable camera

G03B 1724

Patent

active

058951253

ABSTRACT:
A one-time-use camera comprising a main body part having a chamber, and a film cartridge adapted to be located in a predetermined position within the chamber, is characterized in that the film cartridge is a modified cartridge as compared to a standard cartridge, because it has a recess that is not on the standard cartridge, and the main body part has a blocking protuberance that projects into the chamber to fit in the recess when the modified cartridge is located in the predetermined position within the chamber, but which will abut the standard cartridge to prevent it from being located in the predetermined position within the chamber if one attempts to substitute the standard cartridge for the modified cartridge, and which has a hollowed-out space that will allow ambient light to leak into the chamber should one cut the protuberance off the main body part at the hollowed-out space in order to permit the standard cartridge to be located in the predetermined position within the chamber.

REFERENCES:
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patent: 4077041 (1978-02-01), Imura
patent: 4650304 (1987-03-01), Harvey
patent: 4928900 (1990-05-01), Beery
patent: 5187514 (1993-02-01), Ikenoue
patent: 5280237 (1994-01-01), Stoneham et al.
patent: 5349410 (1994-09-01), Kamata

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