Lens-fitted photo film unit with lid to prevent cassette droppin

Details Lens-fitted photo film unit with lid to prevent cassette droppin Lens-fitted photo film unit with lid to prevent cassette droppin

1996-05-01

1998-05-19

Blankenship, Howard B.

Photography

Camera detail

Body structure or housing

G03B 1702

Patent

active

057549117

ABSTRACT:
A lens-fitted photo film unit has a photo film roll chamber (131) and a cassette containing chamber (17, 133). The roll chamber contains photo film (18) wound in a form of a roll. The cassette containing chamber contains a cassette (16). The photo film is wound into the cassette as much as one frame each time one frame is exposed. A bottom lid (30, 137) covers a bottom of the cassette containing chamber, and is opened to remove the cassette from the cassette containing chamber with the photo film included therein. A stopper projection (34) prevents the cassette from dropping out of the cassette containing chamber in removal of the cassette after opening the bottom lid. In a preferred embodiment, a hinge portion (30b, 142) connects the bottom lid (30, 137) to a rear cover (138) by way of a single piece and in swingable fashion. The hinge portion is defined by a first groove (146) formed in an obverse face of the rear cover, and a second groove (147) formed in a reverse face of the rear cover. The second groove is parallel with the first groove, and deviated from the first groove in a width direction thereof.

REFERENCES:
patent: 4832275 (1989-05-01), Robertson
patent: 4834306 (1989-05-01), Robertson et al.
patent: 5146255 (1992-09-01), Nakai et al.
patent: 5271577 (1993-12-01), Takahashi et al.
patent: 5407146 (1995-04-01), Takahashi et al.
patent: 5526084 (1996-06-01), Kataoka et al.
patent: 5664250 (1997-09-01), Wakabayashi

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