Film sheet unit which easily accepts a lid of a film pack

Details Film sheet unit which easily accepts a lid of a film pack Film sheet unit which easily accepts a lid of a film pack

1997-07-25

1998-06-30

Metjahic, Safet

Photography

Magazine camera

Sliding plate

396517, 396524, 396528, G03B 1726, G03B 1910

Patent

active

057747539

ABSTRACT:
A film sheath, holding a sheet film to constitute a sheet film unit, is formed from a plastic resin, and is provided with at least a tapered portion in an end fringe which is directed toward a leading end of a sliding lid when the sliding lid is moved back to a closed position in a sheet film pack containing a stack of such sheet film units, so as to provide a sufficiently large gap between two of the stacked sheet film units, for smooth thrusting of the sliding lid into between the two sheet film units. The film sheath also has a protuberance in a corner of an open end, as a stop member for stopping the sheet film from slipping out of the film sheath.

REFERENCES:
patent: 4236798 (1980-12-01), Sylvester
patent: 4534053 (1985-08-01), Eloranta et al.
patent: 4804989 (1989-02-01), Kumanomido
patent: 5223381 (1993-06-01), Hara et al.
patent: 5448324 (1995-09-01), Okano et al.

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