Lens-fitted photographic film unit

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

1991-07-09

1992-12-08

Gellner, Michael L.

354147, 354288, G03B 1502

Patent

active

051701995

ABSTRACT:
A main body of a lens-fitted photographic film unit is provided with a film wind-up mechanism, a taking lens and a shutter mechanism. The main body with an unexposed film incorporated is covered by a front cover and a rear cover, which are directly attached to each other by arresting claws in holes formed thereon. The main body is positioned by being held fixedly between the two covers in order to prevent the main body from being damaged when the two covers are removed. In a preferred embodiment, the main body is provided with an electronic flash device, which is operated in synchronism with a shutter blade by use of an X contact. A pair of terminals of metal plates extend toward, and are in contact with, a printed circuit board which is removably supported on the main body by cooperation of supporting members and a supporting plate, both of which are formed outside a light-shielding tube of the main body. In this way, neither the main body nor the circuit board will be damaged when the unit is broken open to retrieve and process the exposed film; and so the undamaged parts can be reused.

REFERENCES:
patent: 3896467 (1975-07-01), Hamada
patent: 4803504 (1988-02-01), Maeno et al.
patent: 4882600 (1989-11-01), Van de Moere
patent: 4954858 (1990-09-01), Ohmura et al.

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