Photography – Camera detail – Body structure or housing
Patent
1996-10-07
1998-05-19
Blankenship, Howard B.
Photography
Camera detail
Body structure or housing
G03B 1702
Patent
active
057549125
ABSTRACT:
A camera has a cassette containing chamber and a bottom lid. A photo film cassette is inserted in the cassette containing chamber in an axial direction. The bottom lid closes the cassette containing chamber light-tightly in openable fashion. A key shaft is disposed in the cassette containing chamber, is engaged with a spool of the photo film cassette, and drives the spool. A claw portion is disposed in the cassette containing chamber in slidable fashion, and adapted to ejecting the photo film cassette. A slide mechanism, inclusive of plural springs, slides down the claw portion toward an exit opening of the cassette containing chamber through a first section and a second section following the first section. The slide mechanism in the first section applies a greater first force to the claw portion to push the photo film cassette for disengaging the spool from the key shaft. The slide mechanism in the second section applies a smaller second force to the claw portion further to push the photo film cassette.
REFERENCES:
patent: 4832275 (1989-05-01), Robertson
patent: 4834306 (1989-05-01), Robertson et al.
patent: 5271577 (1993-12-01), Takahashi et al.
patent: 5407146 (1995-04-01), Takahashi et al.
patent: 5530504 (1996-06-01), Fuss et al.
patent: 5563672 (1996-10-01), Fuss et al.
patent: 5604558 (1997-02-01), Kawakita
Blankenship Howard B.
Fuji Photo Optical Co., Ltd.
Fuji Photo Film Co. , Ltd.
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