Lens-fitted photographic film unit

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

1992-09-02

1993-12-07

Hayes, Monroe H.

354275, 354174, 354 76, G03B 1702

Patent

active

052687139

ABSTRACT:
A lens-fitted photographic film unit is pre-loaded with an unexposed photographic film. An exposure station is adapted to exposing the film. A film supplying chamber contains a roll of the unexposed film with a first film end wound internally. A film take-up chamber is disposed opposite to the film supply chamber, and rotatably contains a spool for holding a second film end. The film as exposed is wound up in the film take-up chamber on the spool, having passed through a chamber entrance to the film take-up chamber. An outlet slot is formed behind the film take-up chamber. After completing winding-up of the film, the first film end is exited outward from the outlet slot when the spool is rotated. A tongue of a blocking member is movable so that the chamber entrance is left open when the spool rotates in the winding-up direction, and is partly closed when the spool rotates in the unwinding direction.

REFERENCES:
patent: 4482232 (1984-11-01), Engelsmann et al.
patent: 5202713 (1993-04-01), Nakai et al.

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