Lens-fitted photographic film unit

Details Lens-fitted photographic film unit Lens-fitted photographic film unit

1993-06-04

1994-09-20

Gellner, Michael L.

G03B 1702

Patent

active

053494105

ABSTRACT:
A lens-fitted photographic film unit has a main body, which incorporates a photo-taking mechanism, and is pre-loaded with unexposed photographic film at its rear. A rear cover covers the rear of the main body in light-tight fashion. The rear cover has a pair of hooks. A receiving hole is formed in the main body, in which the hooks are engaged so as to retain the rear cover on the main body unremovably. To separate the rear cover from the main body, a reversal-preventing claw having the receiving hole therein is broken away from the main body, whereby the claw having the receiving hole is retained on the hooks. This prevents used parts from becoming inadvertently mixed up with new parts when certain other parts of used film units are retrieved for reuse.

REFERENCES:
patent: 5126775 (1992-06-01), Nakai et al.

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