Lens-fitted photographic film package

Details Lens-fitted photographic film package Lens-fitted photographic film package

1991-03-11

1993-01-19

Gellner, Michael L.

354250, 354288, G03B 3126

Patent

active

051810573

ABSTRACT:
A film package comprises an exposure frame member having a first rectangular opening disposed directly before the film for defining an exposed area of the film. A light-shielding member having a second rectangular opening for allowing only necessary exposure light to travel toward the first opening therethrough, is mounted on the exposure frame member before the exposure frame member is mounted on the rear side of an exposure chamber, on the front of which a taking lens system is mounted. A pair of positioning members is formed on the front wall of the film package integrally therewith, for designating the position of the user's fingers when the film package is gripped. A between-the-lenses shutter includes a V-shaped shutter blade of which one end is pivoted and the other end opens and closes the aperture, and a connecting lever pivotally mounted on the side of the V-shaped blade opposite the spacing member, one end of the connecting lever being engaged with the elbow of the V-shaped blade, and the other end of the connecting lever being struck by an actuating lever upon depression of a shutter release button. The connecting lever overlaps the V-shaped blade in an area from the elbow to the one end of the V-shaped blade, so that the shutter blade will not oscillate in the direction of the optical axis.

REFERENCES:
patent: 3888568 (1975-06-01), Norris et al.
patent: 3984854 (1976-10-01), Wolcott
patent: 4866470 (1989-09-01), Arai et al.
patent: 4918477 (1990-04-01), Matsuda et al.
patent: 5028946 (1991-07-01), Shinozaki et al.

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